HI 110 HI 111 HI 112 HI 113

Transcription

1 Functions Instruction Manual HI 110 HI 111 HI 112 HI 113 // C Bench Meters with Custom Buffers CFM GLP MEM C C GLP Show GLP Data MEM Store Reading MR Memory Recall RANGE Select /ORP Select Setup Item SET Set Parameters Calibration Enter/Exit Calibration / Select Buffer MR CFM Confirm Calibration Point RANGE HI 113 / ORP Meter SET 1

2 Dear Customer, Thank you for choosing a Hanna Instruments product. Please read this instruction manual carefully before using instruments. This manual will provide you with necessary information for correct use of instruments, as well as a precise idea of ir versatility. If you need additional technical information, do not hesitate to us at tech@hannainst.com or turn to back cover for our worldwide contact list. These instruments are in compliance with directives. WARRANTY HI 110, HI 111, HI 112 and HI 113 are guaranteed for two years against defects in workmanship and materials when used for ir intended purpose and maintained according to instructions. Electrodes and probes are guaranteed for six months. This warranty is limited to repair or replacement free of charge. Damage due to accidents, misuse, tampering or lack of prescribed maintenance is not covered. If service is required, contact dealer from whom you purchased instrument. If under warranty, report model number, date of purchase, serial number and nature of problem. If repair is not covered by warranty, you will be notified of charges incurred. If instrument is to be returned to Hanna Instruments, first obtain a Returned Goods Authorization number from Technical Service department and n send it with shipping costs prepaid. When shipping any instrument, make sure it is properly packed for complete protection. TABLE OF CONTENTS WARRANTY... 2 PRELIMINARY EXAMINATION... 3 GENERAL DESCRIPTION... 3 FUNCTIONAL DESCRIPTION HI 110 AND HI HI 110 AND HI 111 SPECIFICATIONS... 5 FUNCTIONAL DESCRIPTION HI 112 AND HI HI 112 AND HI 113 SPECIFICATIONS... 7 OPERATIONAL GUIDE... 8 IBRATION GOOD LABORATORY PRACTICE (GLP)...15 SETUP...17 TEMPERATURE IBRATION (for technical personnel only) IBRATION (for technical personnel only, HI 111 AND HI 113) RELATIVE IBRATION (HI 111 AND HI 113) PC INTERFACE (HI 112 AND HI 113) BUFFER TEMPERATURE DEPENDENCE ELECTRODE CONDITIONING & MAINTENANCE TROUBLESHOOTING GUIDE TEMPERATURE CORRELATION FOR SENSITIVE GLASS ACCESSORIES

3 PRELIMINARY EXAMINATION Remove instrument from packing material and examine it carefully to make sure that no damage has occurred during shipping. If re is any damage, notify your Dealer or nearest Hanna Customer Service Center. Each instrument is supplied with: HI 1131B Glass-body Combination Electrode with 1 m (3.3') Cable HI 7669/2W Temperature Probe HI Electrode Holder 4.01 & 7.01 Buffer Solutions (20 ml each) HI 7071S Electrolyte Solution 12VDC Power Adapter Instruction Manual Note: Save all packing material until you are sure that instrument functions correctly. All defective items must be returned in original packing with supplied accessories. GENERAL DESCRIPTION The HANNA HI 110, HI 111, HI 112 and HI 113 are microprocessor-based and Temperature bench meters. HI 111 and HI 113 can also measure Oxidation Reduction Potential (ORP) in range. Relative feature is also provided. measurements are compensated for temperature effect manually or automatically with HI 7669/2W temperature probe. Up to three-point (HI 110, HI 111) or up to five-point (HI 112, HI 113) calibration is possible. In addition, two custom buffers can be set and used during calibration. The GLP feature provides a guarantee of data consistency. An alarm time-out is available to alert user that too much time elapsed since last calibration. Through RS232 serial port data can be transferred to a PC (HI 112, HI 113). Hanna Instruments reserves right to modify design, construction and appearance of its products without advance notice. 3

4 FUNCTIONAL DESCRIPTION HI 110 AND HI 111 Front Panel Primary LCD Secondary LCD C MEM CFM GLP C MR Functions Calibration GLP Show GLP Data Enter/Exit Calibration RANGE MEM Store Reading / Select Buffer MR Memory Recall CFM Confirm Calibration Point Select /ORP RANGE Select Setup Item SET SET Set Parameters HI 111 / ORP Meter 9 8 Rear Panel POWER 12VDC INPUT REF TEMP ) Liquid Crystal Display (LCD). 2) CFM/GLP key, to confirm different values or to display Good Laboratory Practice information. 3) key, to enter and exit/escape calibration mode. 4) /ºC key, to manually decrease temperature value or or parameters. 5) /ºC key, to manually increase temperature value or or parameters. 6) MR key, to recall stored value. 7) MEM key, to store a value into memory. 8) SET key, to enter/exit SETUP mode. 9) RANGE key, to select measurement range or switch to focused data in SETUP (HI 111 only). SEL key, to switch to focused data in SETUP menu (HI 110 only). 10) ON/OFF switch. 11) Power supply socket. 12) BNC electrode connector. 13) Electrode reference socket. 14) Temperature probe socket. 4

5 5 HI 110 AND HI 111 SPECIFICATIONS RANGE to 2.00 only) 111 HI ORP, & (ISE ±699.9 only) 111 HI ORP, & (ISE ±2000 ºC to 9.9 RESOLUTION 0.01 only) 111 HI ORP, & (ISE 0.1 only) 111 HI ORP, & (ISE 1 ºC 0.1 ACCURACY 68 F 20 C ±0.01 ) (±699.9 ±0.2 ) (±2000 ±1 error) probe (excluding ºC ±0.4 range offset el R ) only 111 (HI ±2000 Calibration calibration, point 3 or 2 1, available buffers standard ), 9.18, 7.01, 6.86, (4.01, buffers custom 2 and Temperature compensation from: Automatic or Manual ºF) to (14.2 ºC to 9.9 Electrode H p B 1131 HI probe emperature T W 7669/2 HI impedance nput I s ohm supply ower P r adapte VDC 12 imensions D ) (9.4x7.1x2.9 mm 240x182x74 Weight lb); (2.5 Kg 1.1 lb) (5.5 Kg 2.5 holder with kit Environment ºF) 122 (32 ºC 50 0 non-condensing 95% RH max. arranty W s year 2

6 FUNCTIONAL DESCRIPTION HI 112 AND HI 113 Front Panel Primary LCD Secondary LCD C MEM CFM GLP C MR Functions Calibration GLP Show GLP Data Enter/Exit Calibration RANGE MEM Store Reading / Select Buffer MR Memory Recall CFM Confirm Calibration Point RANGE Select /ORP Select Setup Item SET SET Set Parameters HI 113 / ORP Meter 9 8 Rear Panel POWER 12VDC INPUT REF TEMP RS ) Liquid Crystal Display (LCD). 2) CFM/GLP key, to confirm different values or to display Good Laboratory Practice information. 3) key, to enter and exit/escape calibration mode. 4) /ºC key, to manually decrease temperature value or or parameters. 5) /ºC key, to manually increase temperature value or or parameters. 6) MR key, to recall stored value. 7) MEM key, to store a value into memory. 8) SET key, to enter/exit SETUP mode. 9) RANGE key, to select measurement range or switch to focused data in SETUP. 10) ON/OFF switch. 11) Power supply socket. 12) BNC electrode connector. 13) Electrode reference socket. 14) Temperature probe socket. 15) RS232 serial communication connector. 6

7 7 HI 112 AND HI 113 SPECIFICATIONS RANGE to to only) 113 HI ORP, & (ISE ±999.9 only) 113 HI ORP, & (ISE ±2000 ºC to 9.9 RESOLUTION only) 113 HI ORP, & (ISE 0.1 only) 113 HI ORP, & (ISE 1 ºC 0.1 ACCURACY 68 F 20 C ±0.01 ±0.002 ) (±999.9 ±0.5 ) (±2000 ±1 error) probe (excluding ºC ±0.4 range offset el R ) only 113 (HI ±2000 interface omputer C 2 RS23 opto-isolated Calibration points, calibration 5 to Up available buffers standard ) 10.01, 9.18, 7.01, 6.86, 4.01, 1.68, (, buffers custom 2 and Temperature compensation from: Automatic or Manual ºF) to (14.2 ºC to 9.9 Electrode H p B 1131 HI probe emperature T W 7669/2 HI impedance nput I s ohm supply ower P r adapte VDC 12 imensions D ) (9.4x7.1x2.9 mm 240x182x74 Weight lb); (2.5 Kg 1.1 lb) (5.5 Kg 2.5 holder with kit Environment ºF) 122 (32 ºC 50 0 non-condensing 95% RH max. arranty W s year 2

8 POWER CONNECTION OPERATIONAL GUIDE Plug 12 VDC adapter into power supply socket. Note: These instruments use non volatile memory to retain,, temperature calibrations and all or settings, even when unplugged. Note: Make sure a fuse protects main line. ELECTRODE AND PROBE CONNECTIONS For or ORP measurements connect an electrode with internal reference to BNC connector on back of instrument. For electrodes with a separate reference connect electrode s BNC to BNC connector and reference electrode plug to reference socket. For temperature measurements and automatic temperature compensation connect temperature probe to appropriate socket. INSTRUMENT START-UP Turn instrument on by pressing ON/OFF switch. All LCD tags are displayed and a beep is sounded while instruments perform a self test. HI 110 and HI 111 MEM CFM READY WRONG BUF %TIME DATE INTV BUFFER HI 112 and HI 113 MEM CFM READY WRONG BUF %TIME DATE INTV BUFFER MEASUREMENTS Make sure instrument has been calibrated before taking measurements. Submerge electrode tip and temperature probe approximately 4 cm (1½ ) into sample to be tested and stir gently. Allow time for electrode to stabilize. The is displayed on primary LCD and temperature on secondary LCD. If reading is out of range, closest full-scale value will be displayed blinking on primary LCD. 8

9 If measurements are taken successively in different samples, it is recommended to rinse electrode thoroughly with deionized water or tap water and n with some of next sample to prevent cross-contamination. The reading is affected by temperature. In order to measure accurately, temperature effect must be compensated for. To use Automatic Temperature Compensation feature, connect and submerge HI 7669/2W temperature probe into sample as close as possible to electrode and wait for a few seconds. If temperature of sample is known, simple manual compensation can be performed by disconnecting temperature probe. The display will n show default temperature of 25 ºC or last temperature reading with ºC tag blinking. The temperature can now be adjusted with ARROW keys (from 9.9 ºC to ºC). C /ORP MEASUREMENTS (HI 111 and HI 113) An optional ORP electrode must be used to perform ORP measurements (see Accessories). Oxidation-Reduction Potential (REDOX) measurements provide quantification of oxidizing or reducing power of tested sample. To correctly perform a REDOX measurement, surface of ORP electrode must be clean and smooth. Press RANGE to enter range. Submerge tip of ORP electrode 4 cm (1½ ) into sample to be tested and allow a few seconds for reading to stabilize. The instrument displays reading on primary LCD and temperature on secondary LCD. C If reading is out of range, closest full-scale value will be displayed blinking on primary LCD. 9

10 RELATIVE MEASUREMENTS (HI 111 and HI 113) Press RANGE until rel message will be displayed on secondary LCD line for about one second and tag will blink. After one second temperature will be displayed on secondary LCD. The reading displayed by instrument is equal to difference between current input value and relative offset established in relative calibration. TEMPERATURE MEASUREMENTS Connect HI 7669/2W temperature probe to appropriate socket and turn instrument on. Immerse temperature probe into sample and allow reading on secondary LCD to stabilize. MEMORY FUNCTION Press and hold down MEM. The last reading will appear on LCD along with MEM tag until MEM is released. MEM MEM Press MR and previously memorized reading will be displayed on LCD with MEM tag. MR IBRATION Calibrate instrument frequently, especially if high accuracy is required. The instrument should be recalibrated: Whenever electrode is replaced. At least once a week. After testing aggressive chemicals. If INTV tags are blinking during measurement. Every time you calibrate instrument use fresh buffers and perform an electrode Cleaning Procedure (see page 30). 10

11 PREPARATION Pour small quantities of buffer solutions into clean beakers. If possible, use plastic or glass beakers to minimize any EMC interferences. For accurate calibration and to minimize cross-contamination, use two beakers for each buffer solution. One for rinsing electrode and one for calibration. If you are measuring in acidic range, use 7.01 or 6.86 as first buffer and 4.01 or 1.68 (HI 112, HI 113) as second buffer. If you are measuring in alkaline range, use 7.01 or 6.86 as first buffer and 10.01, 9.18 or (HI 112, HI 113) as second buffer. PROCEDURE Calibration can be performed in three (HI 110, HI 111) or five (HI 112, HI 113) calibration points. For accurate measurements, it is recommended to perform a three (HI 110, HI 111) or five-point calibration (HI 112, HI 113). However, at least a two-point calibration is suggested. The calibration buffer can be selected from calibration buffer list that includes defined custom buffers in SETUP menu and memorized standard buffers: 4.01, 6.86, 7.01, 9.18, (HI 110, HI 111) 1.68, 4.01, 6.86, 7.01, 9.18, 10.01, (HI 112, HI 113) The custom buffers are a special option that allows user to calibrate in a buffer solution different from a standard one. Up to two custom buffers can be set in SETUP menu (see page 17). Each custom buffer value can be changed in a ±1.0 window around set value, during calibration, when it is selected; BUFFER tag will blink. The instruments will automatically skip buffer used during calibration and buffers which are in a ±0.2 window, around one of calibrated buffers. All new calibrations will override existing stored calibration data in a ±0.2 window. The slopes adjacent to new points will be reevaluated. If new calibration point has no correspondence in existing stored calibration data, it is added to it if this is not full (3 or 5 points), or instrument will ask which buffer will be replaced by current buffer. If at least a two-point calibration has been performed and an offset correction of electrode is wanted, keeping unchanged existing slopes, perform a onepoint calibration with OFFS option selected in SETUP menu. If Pnt option is selected, slopes adjacent to calibration points will be reevaluated. 11

12 THREE- (HI 110, HI 111) / FIVE-POINT (HI 112, HI 113) IBRATION Immerse electrode and temperature probe approximately 4 cm (1½ ) into a buffer solution and stir gently. The temperature probe should be close to electrode. Press. The and tags will appear BUF and 7.01 buffer will be displayed on secondary LCD. BUFFER BUF 1 If necessary, press ARROW keys to select a different buffer value. The tag will blink on LCD until reading is stable. When reading is stable and close to selected buffer, READY tag will be displayed and CFM tag will blink. Press CFM to confirm calibration. The calibrated value will be displayed on primary LCD and second expected buffer value on secondary LCD. BUFFER BUF 2 After first calibration point is confirmed, immerse electrode and temperature probe approximately 4 cm (1½ ) into second buffer solution and stir gently. The temperature probe should be close to electrode. If necessary, press ARROW keys to select a different buffer value. The tag will blink on LCD until reading is stable. When reading is stable and close to selected buffer, READY tag will be displayed and CFM tag will blink. Press CFM to confirm calibration. The calibrated value is n displayed on primary LCD and and third expected buffer value on secondary LCD. After second calibration point is confirmed, immerse electrode and temperature probe approximately 4 cm (1½ ) into next buffer solution and stir gently. The temperature probe should be close to electrode. 12

13 If necessary, press ARROW keys to select a different buffer value. The tag will blink on LCD until reading is stable. When reading is stable and close to selected buffer, READY tag will be displayed and CFM tag will blink. Press CFM to confirm calibration. If fifth calibration point is reached, instrument stores calibration value and returns to normal measurement mode, or else it goes to next calibration point. TWO-POINT IBRATION Proceed as described in THREE-/FIVE-POINT IBRATION section. Press after second calibration point was confirmed. The instruments will memorize two-point calibration data and will return to measurement mode. ONE-POINT IBRATION Two SETUP selectable options are available: Pnt and OFFS. If Pnt option is selected, new calibration point overrides an existing one. The adjacent slopes will be reevaluated. If OFFS option is selected, an electrode offset correction is performed keeping unchanged existing slopes. Proceed as described in THREE-/FIVE-POINT IBRATION section. Press after first calibration point was confirmed. The instruments will memorize one-point calibration data and will return to measurement mode. Note: If value measured by instrument is not close to selected buffer, WRONG and WRONG tags will blink alternately. In this case check if correct buffer has been used, or regenerate electrode by following Cleaning Procedure (see page 30). If necessary, change buffer or electrode. When a custom buffer is displayed, BUFFER tag blinks. To change custom buffer value in according with buffer temperature proceed as described in WORKING WITH CUSTOM BUFFERS paragraph (see page 14). If buffer temperature or manual temperature exceeds temperature limits of buffer, WRONG tag and temperature reading will blink. If WRONG, BUFFER tags and OLD message are displayed blinking on secondary LCD line, an inconsistency between new and previous (old) calibration is detected. Clear calibration parameters and proceed with calibration from current calibration point. The instrument will keep all confirmed values during current calibration. 13

14 To clear calibration parameters for all uncalibrated buffers starting with current buffer, press and hold down CFM, n press. If this procedure is performed while calibrating in first calibration point, instrument returns to measurement mode, else calibration can be continued from current point. Press RANGE (SEL for HI 110) to toggle between buffer and temperature reading (HI 110, HI 111). Press RANGE to toggle between buffer, buffer number and temperature reading during calibration (HI 112, HI 113 only). Each time a buffer is confirmed, new calibration parameters replace old calibration parameters of coresponding buffer. If current confirmed buffer has no correspondence in existing stored calibration and this is not full, (three buffers for HI 110, HI 111; five buffers for HI 112, HI 113), current buffer is added to existing stored calibration. If existing stored calibration is full, instrument asks which buffer will be replaced by current buffer. CFM BUFFER Press ARROW keys to select anor buffer to be replaced. Press CFM to confirm buffer that will be replaced. Press to leave calibration without replacing. Note: If replaced buffer is outside ±0.2 window, around each of calibrated buffers, it is possible to select this buffer for next calibration during current calibration. WORKING WITH CUSTOM BUFFERS If at least one custom buffer was set in SETUP menu, it can be selected for calibration by pressing ARROW keys. The BUFFER tag will blink. Press SET if you want to adjust buffer value. The buffer value will start blinking. BUFFER BUF Use ARROW keys to change buffer value. After about 5 seconds since you performed last change, buffer value is updated. Press SET if you want to change it again. Note: Custom buffer value can be adjusted in a ±1.00 window, around set value. 14

15 GOOD LABORATORY PRACTICE (GLP) GLP is a set of functions that allows storage and retrieval of data regarding maintenance and status of electrode. All data regarding last calibration (one, two, three, four or five-point) is stored for user to review when necessary. This data includes following: calibration time stamp, offset (), average of slope (%), calibration buffers and time until a new calibration is required. IBRATION ALARM TIME-OUT These instruments allow user to set number of days before next required calibration. This value can be set from 1 to 7 days. The default setting is OFF (disabled). The instruments check if time-out time has expired. If time elapsed, INTV tags will blink as a reminder. Note: If instruments were not calibrated, INTV tags will be displayed even if feature is disabled in SETUP menu. LAST IBRATION DATA Last calibration data are stored automatically after a successful calibration. To view calibration data, press GLP while in measurement mode. The instruments will display time (hh:mm) of last calibration. Press ARROW keys to view next logged calibration parameter (pressing ºC key): The date (yyyy.mm.dd). DATE The calibration offset. The calibration slope ( GLP slope is average of calibration slopes; percentage is referred to ideal value of /). % 15

16 The calibration buffers in calibrating order. The first calibration buffer: BUFFER BUF The second calibration buffer: BUFFER BUF The third calibration buffer: BUFFER BUF Note: For HI 112 and HI 113, fourth and fifth calibration buffers are also displayed in GLP. The OLd message displayed beside value means that this buffer was not used during last calibration. Press and hold down SET if you want to see calibration date (or time, if old calibration was made in same day with current calibration). For each custom buffer used in calibration, BUFFER tag will blink. If no buf message appears on LCD, instrument informs you that calibration was performed in less than three (HI 110, HI 111) or five points (HI 112, HI 113). BUF resolution during calibration. Calibration Alarm Time-Out status: if disabled. 16

17 or number of days until calibration alarm will be displayed. or if expired (7 days ago). INTV The instrument ID. Note: Press GLP at any moment and instruments will return to measurement mode. If calibration has not been performed, instruments display no message blinking. SETUP Setup mode allows viewing and modifying following parameters: Calibration Alarm Time-Out Custom buffer 1 Custom buffer 2 One-point calibration behaviour Instrument ID (HI 112 & HI 113) Current Time Current Date Beep Status Baud Rate (serial communication, HI 112 & HI 113) Command prefix (serial communication, HI 112 & HI 113) To enter SETUP mode press SET while instrument is in measurement mode. Select a parameter with ARROW keys. Press if you want to change a parameter value. The selected parameter will start blinking. Press RANGE (SEL for HI 110) to toggle between displayed parameters. Press ARROW keys to increase or decrease displayed value. Press CFM to save modified value or to escape. Press ARROW keys to select next/previous parameter. 17

18 IBRATION ALARM TIME-OUT SET Press when calibration time-out is displayed. Calibration time-out (OFF or 1 to 7 days) will start blinking. INTV Press ARROW keys to change calibration time-out value. Press CFM to save modified calibration time-out value. Press to escape without saving. FIRST CUSTOM BUFFER SET Press when custom buffer 1 is displayed. The custom buffer (disabled no cb1 or 0 to 16 ) will start blinking. BUFFER Press ARROW keys to change custom buffer value. Press CFM to save modified custom buffer value. Press to escape without saving. SECOND CUSTOM BUFFER SET Press when custom buffer 2 is displayed. The custom buffer (disabled no cb2 or 0 to 16 ) will start blinking. BUFFER Press ARROW keys to change custom buffer value. Press CFM to save modified custom buffer value. Press to escape without saving. ONE-POINT IBRATION BEHAVIOUR Press when 1 Pnt message is displayed on secondary LCD. One of two options ( Pnt or OFFS ) will start blinking (see IBRATION PROCEDURE for details, page 11). Press ARROW keys to toggle between Pnt and OFFS options. Press CFM to save behaviour for one-point calibration. Press to escape without saving. 18

19 INSTRUMENT ID PARAMETER SET (HI 112, HI 113 only) Press when instrument ID is displayed. The instrument ID (0000 to 9999) will start blinking. Press ARROW keys to change instrument ID value. Press CFM to save modified instrument ID value. Press to escape without saving. CURRENT TIME SET Press when current time is displayed. The hour will start blinking. TIME Press ARROW keys to change hour. Press RANGE (SEL for HI 110). The minutes will start blinking. TIME Press ARROW keys to change minutes. Press CFM to save modified value. Press to escape without saving. CURRENT DATE SET Press when current date is displayed. The year will start blinking. DATE Press ARROW keys to change year. Press RANGE. The month will start blinking. DATE Press ARROW keys to change month. 19

20 Press RANGE. The day will start blinking. DATE Press ARROW keys to change day. Press CFM to save modified value. Press to escape without saving. BEEP STATUS SET Press when beep status is displayed. Beep status (On or OFF) will start blinking. Press ARROW keys to change beep status (On or OFF). Press CFM to save modified beep status. Press to escape without saving. BAUD RATE SET (HI 112, HI 113 only) Press when baud rate is displayed. The baud rate (600, 1200, 2400, 4800 or 9600) will start blinking. Press ARROW keys to change baud rate value. Press CFM to save modified baud rate value. Press to escape without saving. SERIAL COMMUNICATION COMMAND PREFIX SET (HI 112, HI 113 only) Press when command prefix is displayed. The command prefix (0 to 47) will start blinking. Press ARROW keys to change command prefix. Press CFM to save modified command prefix value. Press to escape without saving. Note: See PC interface section on page 25 for a complete explanation. The command prefix must be 16 if HI PC software is used. 20

21 TEMPERATURE IBRATION (for technical personnel only) All instruments are factory calibrated for temperature. Hanna s temperature probes are interchangeable and no temperature calibration is needed when y are replaced. If temperature measurements are inaccurate, temperature recalibration should be performed. For an accurate recalibration, contact your dealer or nearest Hanna Customer Service Center, or follow instructions bellow. Prepare a vessel containing ice and water and anor one containing hot water (at a temperature of around 50 ºC). Place insulation material around vessels to minimize temperature changes. Use a calibrated rmometer with a resolution of 0.1 ºC as a reference rmometer. With instrument off, press and hold down &MEM keys, n power on instrument. The tag will appear and secondary LCD will show 0.0 ºC. Immerse temperature probe in vessel with ice and water as near as possible to reference rmometer. Allow a few seconds for probe to stabilize. Use ARROW keys to set reading on secondary LCD to that of ice and water, measured by reference rmometer. When reading is stable and close to selected calibration point, READY tag will appear and CFM tag will blink. Press CFM to confirm. The secondary LCD will show 50.0 ºC. CFM GLP Immerse temperature probe in second vessel as near as possible to reference rmometer. Allow a few seconds for probe to stabilize. 21

22 Use ARROW keys to set reading on secondary LCD to that of hot water. C C When reading is stable and close to selected calibration point, READY tag will appear and CFM tag will blink. Press CFM to confirm. The instrument returns to measurement mode. Note: If reading is not close to selected calibration point, WRONG tag will blink. Change temperature probe and restart calibration. 22

23 IBRATION (for technical personnel only) All instruments are factory calibrated for. Hanna s ORP electrodes are interchangeable and no calibration is needed when y are replaced. If measurements are inaccurate, recalibration should be performed. For an accurate recalibration, contact your dealer or nearest Hanna Customer Service Center, or follow instructions below. A two or three-point calibration can be performed at 0.0, and Attach to BNC connector a simulator with an accuracy of ±0.1. With instrument off, press and hold down MR&CFM keys, n power on instrument. The tag will appear and secondary LCD will show 0.0. Set 0.0 on simulator. When reading is stable and close to selected calibration point, READY tag will appear and CFM tag will blink. Press CFM to confirm. The secondary LCD will display 600. Set on simulator. When reading is stable and close to selected calibration point, READY tag will appear and CFM tag will blink. Press CFM to confirm. The secondary LCD will display Set on simulator. When reading is stable and close to selected calibration point, READY tag will appear and CFM tag will blink. Press CFM to confirm. The instrument returns to measurement mode. Note: If reading is not close to selected calibration point, WRONG tag will blink. Verify calibration condition or contact your vendor if you can not calibrate. Press in any moment of calibration process. The instrument will return to measurement mode. If calibration process is stopped after 600 is confirmed, 600 range is calibrated and calibration parameters are memorized. 23

24 RELATIVE IBRATION (HI 111 AND HI 113) Press when instrument is in RELATIVE measurement mode. The and tags will blink. Absolute is displayed on primary LCD and AbS message is displayed on secondary LCD. When absolute reading is stable and in measurement range, instrument asks for confirmation. If reading is out of range, WRONG tag will be displayed. Press CFM to confirm absolute value. The instrument will display 0.0 on primary LCD and rel message on secondary LCD. In this moment relative offset is equal to absolute reading. Use ARROW keys if you want to change displayed relative value. Press CFM to confirm relative value. The relative offset is displayed on primary LCD and OFF message on secondary LCD for a few seconds. The instrument returns to measurement mode. Note: The relative value can be changed only inside relative offset window (± 2000 ). 24

25 PC INTERFACE (HI 112 AND HI 113) Data transmission from instrument to PC can be done with HI Windows compatible software (optional). HI also offers graphing and on-line help feature. Data can be exported to most popular spreadsheet programs for furr analysis. To connect your instrument to a PC, use optional Hanna HI cable connector. Make sure that your instrument is switched off and plug one connector to instrument RS232C socket and or into serial port of your PC. Note: Or cables than HI may use a different configuration. In this case communication between instrument and PC may not be possible. If you are not using Hanna Instruments HI software, please see following instructions. SENDING COMMANDS FROM PC It is also possible to remotely control instrument with any terminal program. Use HI cable to connect instrument to a PC, start terminal program and set communication options as follows: 8, N, 1, no flow control. COMMAND TYPES To send a command to instrument scheme is: <command prefix> <command> <CR> where: <command prefix> is a selectable ASCII character between 0 and 47. <command> is command code (3 characters). Note: Eir small or capital letters can be used. SIMPLE COMMANDS PHR MVR MRS RNG CFM UPC DWC MEM MRR SET Sets range to resolution Sets range to (HI 113 only) Sets range to relative (HI 113 only) Is equivalent to pressing RANGE Is equivalent to pressing Is equivalent to pressing CFM/GLP Is equivalent to pressing UP arrow key Is equivalent to pressing DOWN arrow key Is equivalent to pressing MEM Is equivalent to pressing MR Is equivalent to pressing SET 25

26 CHR n Change instrument range according with parameter value (n): n=0 range/0.001 resolution n=1 range/0.01 resolution n=3 range n=4 Relative range COMMANDS REQUIRING AN ANSWER? MV? MR? TM? RAS MDR PAR GLP Causes instrument to send reading. If range is set to, Err6 is received. Causes instrument to send reading. If range is set to, Err6 is received. Causes instrument to send relative reading. If range is set to or, Err6 is received. Causes instrument to send temperature reading. Causes instrument to send a complete set of readings in according with current range:, and temperature reading on range. and temperature reading on range. Rel, absolute and temperature reading on Rel range. Requests instrument model name and firmware code. Requests setup parameters setting (instrument ID, calibration alarm time-out, range, beep status). Requests calibration data record. Note: Err8 is sent if instrument is not in measurement mode. Err7 is sent if are asked during calibration mode. NAK (21) character is sent when instrument receives an unknown or a corrupted command. Note: Invalid commands will be ignored. 26

27 BUFFER TEMPERATURE DEPENDENCE The temperature has an effect on. The calibration buffer solutions are affected by temperature changes to a lesser degree than normal solutions. During calibration instrument will automatically calibrate to value corresponding to measured or set temperature. TEMP BUFFERS º C º F During calibration instrument will display buffer value at 25 ºC. 27

28 ELECTRODE CONDITIONING & MAINTENANCE PREPARATION PROCEDURE Remove protective cap of electrode. DO NOT BE ALARMED IF SALT DEPOSITS ARE PRESENT. This is normal with electrodes. They will disappear when rinsed with water. During transport, tiny bubbles of air may form inside glass bulb affecting proper functioning of electrode. These bubbles can be removed by shaking down electrode as you would do with a glass rmometer. If bulb and/or junction is dry, soak electrode in HI or HI Storage Solution for at least one hour. 28

29 For refillable electrodes: If filling solution (electrolyte) is more than 2½ cm (1 ) below fill hole, add HI 7082 or HI M KCl Electrolyte Solution for double junction or HI 7071 or HI M KCl+AgCl Electrolyte Solution for single junction electrodes. For faster response, unscrew fill hole screw during measurements. For AMPHEL electrodes: If electrode does not respond to changes, battery is run down and electrode should be replaced. MEASUREMENT Rinse electrode tip with distilled water. Immerse tip (bottom 4 cm /1½ ) in sample and stir gently for a few seconds. For a faster response and to avoid cross-contamination of samples, rinse electrode tip with a few drops of solution to be tested, before taking measurements. STORAGE PROCEDURE To minimize clogging and assure a quick response time, glass bulb and junction should be kept moist and not allowed to dry out. Replace solution in protective cap with a few drops of HI or HI Storage Solution or, in its absence, Filling Solution (HI 7071 or HI 8071 for single junction and HI 7082 or HI 8082 for double junction electrodes). Follow Preparation Procedure on page 28 before taking measurements. Note: NEVER STORE THE ELECTRODE IN DISTILLED OR DEIONIZED WATER. PERIODIC MAINTENANCE Inspect electrode and cable. The cable used for connection to instrument must be intact and re must be no points of broken insulation on cable or cracks on electrode stem or bulb. Connectors must be perfectly clean and dry. If any scratches or cracks are present, replace electrode. Rinse off any salt deposits with water. For refillable electrodes: Refill reference chamber with fresh electrolyte (HI 7071 or HI 8071 for single junction and HI 7082 or HI 8082 for double junction electrodes). Allow electrode to stand upright for 1 hour. Follow Storage Procedure above. 29

30 CLEANING PROCEDURE General Soak in Hanna HI 7061 or HI 8061 General Cleaning Solution for approximately ½ hour. Protein Soak in Hanna HI 7073 or HI 8073 Protein Cleaning Solution for 15 minutes. Inorganic Soak in Hanna HI 7074 Inorganic Cleaning Solution for 15 minutes. Oil/grease Rinse with Hanna HI 7077 or HI 8077 Oil and Fat Cleaning Solution. IMPORTANT: After performing any of cleaning procedures, rinse electrode thoroughly with distilled water, refill reference chamber with fresh electrolyte (not necessary for gel-filled electrodes) and soak electrode in HI or HI Storage Solution for at least 1 hour before taking measurements. 30

31 31 TROUBLESHOOTING GUIDE YMPTOMS S M ROBLE P N SOLUTIO reponse/excessive Slow drift. electrode. irty D n i tip electrode Soak 8061 HI or 7061 HI minutes 30 for solution clean n and electrode. up fluctuate Readings (noise). down and junction. Clogged/dirty level electrolyte Low electrodes (refillable only). electrode. Clean solution fresh with Refill electrodes refillable (for only). in range of Out scale. Dry membrane/junction. or HI in Soak storage HI solution. not does meter The buffer accept for solution calibration. order of Out electrode. cleaning Follow no still If procedure. replace results, electrode. shows: display If or -2.00" " and "" blinking. "16.00" in range of Out scale. meter. Recalibrate a) sure Make b) specified in is sample range. electrolyte Check c) general and level electrode. of state shows: display If or "-2000" and "" blinking "+2000" in range of Out scale. connected. not Electrode not does meter The with work probe. temperature temperature Broken probe. temperature Replace probe. to fails meter The gives or calibrate readings. faulty electrode. roken B. electrode Replace meter startup At tags LCD all displays permanently. is keys of One blocked. or keyboard Check vendor. contact message error xx" "Err displayed. error. nternal I d an meter off Power If on. it power n contact persists, error vendor.

32 TEMPERATURE CORRELATION FOR SENSITIVE GLASS The resistance of glass electrodes partially depends on temperature. The lower temperature, higher resistance. It takes more time for reading to stabilize if resistance is higher. In addition, response time will suffer to a greater degree at temperatures below 25 ºC. Since resistance of electrode is in range of Mohm, current across membrane is in pico Ampere range. Large currents can disturb calibration of electrode for many hours. For se reasons high humidity environments, short circuits and static discharges are detrimental to a stable reading. The electrode s life also depends on temperature. If constantly used at high temperatures, electrode life is drastically reduced. Typical Electrode Life Ambient Temperature 1 3 years 90 ºC Less than 4 months 120 ºC Less than 1 month Alkaline Error High concentrations of sodium ions interfere with readings in alkaline solutions. The at which interference starts to be significant depends upon composition of glass. This interference is called alkaline error and causes to be underestimated. Hanna s glass formulations have indicated characteristics. Sodium Ion Correction for Glass at ºC Concentration Error 0.1 Mol L -1 Na Mol L -1 Na

33 BUFFER SOLUTIONS HI 70004P 4.01 Buffer Sachets, 20 ml, 25 pcs HI 70007P 7.01 Buffer Sachets, 20 ml, 25 pcs HI 70010P Buffer Sachets, 20 ml, 25 pcs HI 7001L 1.68 Buffer Solution, 500 ml HI 7004L 4.01 Buffer Solution, 500 ml HI 7006L 6.86 Buffer Solution, 500 ml HI 7007L 7.01 Buffer Solution, 500 ml HI 7009L 9.18 Buffer Solution, 500 ml HI 7010L Buffer Solution, 500 ml HI 7001L 1.68 Buffer Solution in FDA approved bottle, 500 ml HI 8004L 4.01 Buffer Solution in FDA approved bottle, 500 ml HI 8006L 6.86 Buffer Solution in FDA approved bottle, 500 ml HI 8007L 7.01 Buffer Solution in FDA approved bottle, 500 ml HI 8009L 9.18 Buffer Solution in FDA approved bottle, 500 ml HI 8010L Buffer Solution in FDA approved bottle, 500 ml ELECTRODE STORAGE SOLUTIONS HI 70300L HI 80300L Storage Solution, 460 ml Storage Solution in FDA approved bottle, 460 ml ELECTRODE CLEANING SOLUTIONS HI 70000P Electrode Rinse Sachets, 20 ml, 25 pcs HI 7061L General Cleaning Solution, 460 ml HI 7073L Protein Cleaning Solution, 460 ml HI 7074L Inorganic Cleaning Solution, 460 ml HI 7077L Oil & Fat Cleaning Solution, 460 ml HI 8061L General Cleaning Solution in FDA approved bottle, 460 ml HI 8073L Protein Cleaning Solution in FDA approved bottle, 460 ml HI 8077L Oil & Fat Cleaning Solution in FDA approved bottle, 460 ml ELECTRODE REFILL ELECTROLYTE SOLUTIONS HI 7071 HI 7072 HI 7082 HI 8071 HI 8072 HI 8082 ACCESSORIES 3.5M KCl + AgCl Electrolyte, 4x30 ml, for single junction electrodes 1M KNO 3 Electrolyte, 4x30 ml 3.5M KCl Electrolyte, 4x30 ml, for double junction electrodes 3.5M KCl + AgCl Electrolyte in FDA approved bottle, 4x30 ml, for single junction electrodes 1M KNO 3 Electrolyte in FDA approved bottle, 4x30 ml 3.5M KCl Electrolyte in FDA approved bottle, 4x30 ml, for double junction electrodes. 33

34 ORP PRETREATMENT SOLUTIONS HI 7091L HI 7092L Reducing Pretreatment Solution, 460 ml Oxidizing Pretreatment Solution, 460 ml ELECTRODES All electrodes part numbers ending in B are supplied with a BNC connector and 1 m (3.3') cable, as shown below : HI 1043B Glass-body, double junction, refillable, combination electrode. Use: strong acid/alkali. 9.5mm DIA 0.37" 12 mm 0.5" HI 1043 "S" VERSION 120 mm 4.7" HI 1053B Glass-body, triple ceramic, conic shape, refillable, combination electrode. Use: emulsions. 12 mm 0.5" HI 1053 "S" VERSION 120 mm 4.7" HI 1083B Glass-body, micro, Viscolene, non-refillable, combination electrode. Use: biotechnology, micro titration. HI mm 0.5" 5 mm 0.2" 3 mm 0.12" 3.0 mm DIA 0.12" 120 mm 4.7" HI 1131B Glass-body, single junction, refillable, combination electrode. Use: general purpose. 9.5mm DIA 0.37" 12 mm 0.5" HI 1131 "S" VERSION 120 mm 4.7" 34

35 HI 1330B Glass-body, semimicro, single junction, refillable, combination electrode. Use: laboratory, vials. 5mm DIA 0.2" 5mm 0.2" HI 1330 "S" VERSION 120 mm 4.7" HI 1331B Glass-body, semimicro, single junction, refillable, combination electrode. Use: flasks. HI 1331 "S" VERSION 8 mm 0.3" 7.5mm DIA 0.29" 210 mm 8.25" HI 1230B Plastic-body (Ultem ), double junction, gel-filled, combination electrode. Use: general, field. 12 mm 0.5" HI 1230 "S" VERSION 120 mm 4.7" HI 2031B Glass-body, semimicro, conic, refillable, combination electrode. Use: semisolid products. HI 2031 "S" VERSION 75 mm 2.95" 6 mm 0.25" HI 1332B Plastic-body (Ultem ), double junction, refillable, combination electrode. Use: general purpose. 12 mm 0.5" HI 1332 "S" VERSION 120 mm 4.7" 35

36 FC 100B Plastic-body (Kynar ), double junction, refillable, combination electrode. Use: general purpose for food industry. 12 mm 0.5" FC mm 4.7" FC 200B Plastic-body (Kynar ), open junction, conic, Viscolene, non-refillable, combination electrode. Use: meat & cheese. FC mm 2.95" 6 mm 0.25" FC 210B Glass-body, double junction, conic, Viscolene, non-refillable, combination electrode. Use: milk, yogurt. 12 mm 0.5" FC mm 4.7" FC 220B Glass-body, triple-ceramic, single junction, refillable, combination electrode. Use: food processing. 9.5mm DIA 0.37" 12 mm 0.5" FC mm 4.7" FC 911B Plastic-body (Kynar ), double junction, refillable with built-in amplifier, combination electrode. Use: very high humidity. 12 mm 0.5" FC mm 4.3" 36

37 HI 1413B Glass-body, single junction, flat tip, Viscolene, non-refillable, combination electrode. Use: surface measurement. 12 mm 0.5" HI 1413 ORP ELECTRODES 110 mm 4.3" HI 3131B Glass-body, refillable, combination platinum ORP electrode. Use: titration. 12 mm 0.5" HI 3131 "S" VERSION 150 mm 5.9" HI 3230B Plastic-body (Ultem ), gel-filled, combination platinum ORP electrode. Use: general purpose. 12 mm 0.5" HI 3230 "S" VERSION 120 mm 4.7" HI 4430B Plastic-body (Ultem ), gel-filled, combination gold ORP electrode. Use: general purpose. 12 mm 0.5" HI 4430 "S" VERSION 120 mm 4.7" Consult Hanna General Catalog for more electrodes with screw-type or BNC connectors. Ultem is registered Trademark of General Electric Co. Kynar is registered Trademark of Pennwalt Corp. 37

38 EXTENSION CABLE FOR SCREW-TYPE ELECTRODES (SCREW TO BNC ADAPTER) HI 7855/1 Extension cable 1 m (3.3') long HI 7855/3 Extension cable 3 m (9.9') long CONNECT TO SCREW TYPE ELECTRODES OTHER ACCESSORIES HI HI HI HI HI HI HI 7855 SERIES CABLE CONNECTORS CONNECTOR AND 3.0 mm (0.12") CABLE WITH BNC CONNECT TO THE BNC SOCKET OF THE METER Voltage adapter from 115 VAC to 12 VDC (USA plug) Voltage adapter from 230 VAC to 12 VDC (European plug) Voltage adapter from 240 VAC to 12 VDC (UK plug) Voltage adapter from 230 VAC to 12 VDC (South Africa plug) Voltage adapter from 230 VAC to 12 VDC (Australia plug) Electrode holder HI 8427 HI HI 7669/2W HI HI and ORP electrode simulator with 1 m (3.3') coaxial cable ending in female BNC connectors and ORP electrode simulator with LCD and 1 m (3.3') coaxial cable ending in female BNC connectors Temperature probe with 1 m (3.3') cable Windows compatible software 9 to 9-pin RS232 cable 38

39 RECOMMENDATIONS FOR USERS Before using se products, make sure y are entirely suitable for environment in which y are used. Operation of se instruments in residential areas could cause unacceptable interferences to radio and TV equipment, requiring operator to follow all necessary steps to correct interferences. The glass bulb at end of electrode is sensitive to electrostatic discharges. Avoid touching this glass bulb at all times. During operation, ESD wrist straps should be worn to avoid possible damage to electrode by electrostatic discharges. Any variation introduced by user to supplied equipment may degrade instruments EMC performance. To avoid electrical shock, do not use se instruments when voltages at measurement surface exceed 24 VAC or 60 VDC. To avoid damage or burns, do not perform any measurement in microwave ovens. 39