REFERENCE MEASURING INSTRUMENT

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1 94 REFERENCE MEASURING INSTRUMENT Modular humidity measurement system, testo 650 The right probe for every application ol. % Quick-action immersion/penetration probes To measure liquids and food Highly accurate immersion/penetration probes With a system accuracy of 0.05 in the measurement range from 0 to 100 and a resolution of up Quick-action surface probes To measure surface temperature Precision air probe To measure air temperature Magnetic probes, adhesive force approx. 10 N For measurements on metal surfaces Globe thermometer To measure radiant heat Current/voltage cable (± 1, ± 10, 20 ) For example, to check stationary transducers 2 probes To determine ambient air quality and monitor the workplace Mechanical probes with plug-in head To measure Highly accurate reference humidity/temperature probes For highest demands on accuracy ±1 Pressure dew point probes To measure pressure dew point to - 60 in compressed air systems Robust humidity probes For equilibrium moisture or duct measurements up to 180 Flexible humidity probes with mini module For measurements on test rigs, for example Sword probes For humidity/temperature measurement in stacked goods Equilibrium probes To determine equilibrium moisture aw value set Pressure-tight precision humidity probes to measure aw value Temperature measurement The PTB accredited DKD laboratory for temperature guarantees reliable readings First PTB accredited DKD laboratory for surface temperature, developed in cooperation with PTB and the University of Ilmenau Patented crossband probe for fast surface measurements Custom-designed temperature probes for your application System accuracy of testo 650 up to 0.05 with precision probe Current and voltage measurement Optional connection of external transmitters, such as particle counters and pressure transmitters and scaling of input in instrument and 2 measurement Long-term stable 2 beam procedure to measure reference and measurement duct for C0 2 measurement Mechanical measurement from 20 to 20,000 Humidity measurement The first PTB accredited DKD laboratory for air moisture and dew point temperature guarantees reliable readings Worldwide patented (capacitive) Testo humidity sensor Inter-laboratory tests in national and international institutes confirm a sensor accuracy of ±1 2 year guaranteed long-term stability of the Testo humidity sensor under normal conditions Easy calibration or adjustment of humidity probe (on site) with defined salt solutions (11.3, 33 and 75.3 ) Pressure measurement ery high accuracy in lower measuring range (100 Pa) from +/- (0.3 Pa % of reading) Temperature-compensated pressure measurement Differential (100 Pa / 10 / 100 ) and absolute pressure probes To measure pressure Refrigerant-proof high pressure probes For maintenance on refrigeration systems/water measurement

2 REFERENCE MEASURING INSTRUMENT Modular humidity measurement system, testo Upgradable Barcode Data management London 1 500,000 readings Prints Mean 41.3 % RH Reference measurement Saves or prints at the touch of a button Clear graphics display 3 user defined function buttons Attachable printer Readings can be printed in the matter of seconds on location London 1 Hold Max/Min Mean Data communication with PC, barcode pen Precision reference class measuring instruments have everything the professional user needs to complete complicated measurement tasks efficiently, accurately and conveniently. testo 650 includes the basic parameters temperature, 2,, current and voltage. It is also possible to measure humidity and pressure using testo 650. testo 650 can be upgraded to the multi-function measuring instrument testo 400. The measuring instrument can keep up with the measurement tasks at hand thanks to upgrades. Intelligent electronics ensure the latest technology is used thanks to software updates. Upgradable and teachable, highly reliable and of the highest quality - they are the properties which guarantee that the customer is equipped for the future. Easy operation with cursor Useful instrument functions: All functions of testo 950 Calculation of all parameters in the Mollier diagram: Relative humidity, dew point and pressure dew point (, ) testo 650 Power connection/ quick battery recharge 2 user defined probe sockets testo 650 Reference humidity measuring instr., incl. battery, Li cell and cal. protocol Used for: Humidity, pressure Temperature 2, and current/voltage Absolute humidity, psychrometric wet bulb temperature Degree of humidity (), partial pressure in water vapour in mbar/ Enthalpy kcal/kg aw value measurement with trend display Barometric air pressure ol. % ,-

3 96 REFERENCE MEASURING INSTRUMENT The reference testo testo guarantees quality Proof of temperature Location ol. Max/Min Mean Guaranteeing quality usually involves keeping to a certain temperature. This ranges in the food industry from frozen food temperatures to component temperatures in the electronics branch. Easy documentation and filing of this measurement data is possible with testo 650. Remaining moisture/high-level moisture ol. % Highly accurate and efficient measurement of humidity and temperature is in many industrial processes to guarantee continuous quality. testo 650 calculates all the physical parameters in the Mollier diagram.

4 REFERENCE MEASURING INSTRUMENT The reference testo sets standards... documents processes Precision temperature Production unit testo 650, when used together with the precision probe, has a system accuracy of 0.05 in the measurement range from 0 to 100 and a resolution of up to This high accuracy level makes testo 650 ideal as a working standard. Products and systems are subjected to different temperatures during a production process. testo 650 has extensive monitoring options, for example, a measurement program is started when a temperature value is exceeded. Reference humidity Compressed air unit ol. % testo 650 is setting new standards in accuracy and long-term stability with its worldwide inter-laboratory tests carried out in leading international institutes enabling accurate monitoring of air humidity fluctuations of ± 1. Extensive economic damage, depending on the application, could be caused by uncontrolled moisture ingress. It is possible to measure and document readings over a longer period of time using testo 650.

5 98 REFERENCE MEASURING INSTRUMENT Measurement data with the measuring instrument: Structure - Measure - Printout on-site Structuring measurement data: Readings can be saved at individual locations - with guarantee of refinding. The tree structure - folders, sub-folders and measurement protocols - guarantees an uncomplicated view. Practical additional information such as measurement information or value input can be saved with the location. 1 testo 650 /.Week 35/02 + HALL A1 + HALL A2 + HALL C3 Page- Change Page+ 2 testo 650 /..HALL A1 WINDOW L1 WINDOW L2 WINDOW L3 WINDOW R1 WINDOW R2 Door 1 Door 2 Page- Change Page+ The locations can be selected via barcode labels using the pen. It is easy to draw an effective tour plan using the locations list. Long-term control made easy: User-friendly data logging, not only for spot checks The beginning of the measurement can be... - determined manually each time. - activated if a user defined limit value is exceeded. - set according to date/time. Program Speicher Fühler Read out Spezial Progr. Start Gerät Keylock Meas.rate Drucken Mode End Language Save Delete Start Speicher Fühler Read out Spezial Progr. Start Gerät Keylock Messrate Drucken Modeand Falls Endeshort Exceeds Languae Speichern Manual Löschen Date/Time The measurement is completed when... - the predefined number of readings is reached. - date/time is reached. - the memory is full. - ended manually. Non-stop measurement via wrap-around memory... - deletes the oldest respective value. - is deactivated manually. Save Delete ol. % Documentation on-site: The individual measurement protocol can be either saved or deleted following analysis. The printer immediately supplies the documentation. The attachable comfort printer also offers graphical analysis options Mean 41.3 % RH Continue New End :26:38 Mean Multi-point Hall :26: :26:38 Mean Multi-point Hall Thermal paper for long-term legible measurement data documentation of up to 10 years :26:45 Time axis: 0 sec / Div. Mean: % RH Mean: % RH :33: :31:48

6 REFERENCE MEASURING INSTRUMENT Measurements with ComSoft 3 software: 99 Preparation - Analysis - Filing - Documentation Easy reading management: Preparation of the measurement: - The measurement program is determined and loaded into instrument - Tour plan is drawn up based on locations and is loaded into instrument. The measuring instrument is downloaded once measuring is complete: - The saved protocols are conveniently filed via the software using "Drag & Drop" or are analysed in Data. The readings are determined using the measuring instrument and can also be displayed online using the software. Comprehensive analysis, easy filing: Analysis: - with calculation functions - with crosshairs - with mean calculation - with calculation of standard deviation - taking all conventional refrigerants into consideration (refrigeration module, optional) Display: - as table or as graphic - as digit field or as histogram - with analog display - Measurement channels can be activated or deactivated at the touch of a button Documenting: - Data is transferred to Excel table using Copy and Paste. Individual configuration options: Your company logo can be included on the printouts. Functions can be selected from the function list and the finished profile can be saved. The online interface is available for LabIEW software. Menu can be individually tailored to your needs. ol. %

7 100 REFERENCE MEASURING INSTRUMENT Ordering data testo 650, reference humidity measuring instrument with battery, Li cell, calibration protocol Barcode pen to read in measurement locations Quick and accurate allocation of reading to location ComSoft 3 - Professional with data management Incl. database, analysis and graphics function, data analysis, trend curve elocity module, incl. volume flow, degree of turbulence... Upgrade via service (upgrades testo 650 to testo 400) Attachable printer (securely attached) with 1 roll of thermal paper and batteries Quickly prints readings on location Testo printer with 1 roll of thermal paper and 4 AA size batteries testo 575 fast printer, incl. 1 roll of thermal paper and batteries SoftCase (protects instrument from impact) with carrier strap, magnetic holder and probe holder SoftCase for attachable printer (protects printer from dirt/impact) System case (plastic) System case (aluminium) Measuring instrument Softcase for instrument and printer testo 650, reference humidity measuring instrument with battery, Li cell, calibration protocol 2 channel humidity and temperature meas. instrument with aw value measurement, pressure measurement with option of connecting pressure probes,,,, m/ transmitters SoftCase (protects instrument from impact) with carrier strap, magnetic holder and probe holder SoftCase for attachable printer (protects printer from dirt/impact) ol. % Update from testo 650 to testo 400 elocity module, incl. volume flow, degree of turbulence... Upgrade via service (upgrades testo 650 to testo 400) Accessories for measuring instrument Memory upgrade to 500,000 readings Upgrades memory capacity (via service) Rechargeable battery set for instrument (4 rechargeables 2.4/700h) Selected for quick recharging in instrument Mains unit 230 / 8 / 1 A, for instrument (European plug) For mains operation and battery recharging Car charging adapter, ready to measure following recharging in car Battery is recharged while travelling in car Spare Li cell to save RAM data When changing battery or rechargeable battery Printer and accessories Attachable printer (securely attached) with 1 roll of thermal paper and batteries Testo printer with 1 roll of thermal paper and 4 AA size batteries Prints readings on location testo 575 fast printer, incl. 1 roll of thermal paper and batteries Infrared thermal line printer with graph function Recharger for printer (with 4 standard rech. batt.) Rechargeable batteries are recharged externally Spare thermal paper for printer (6 rolls) Spare thermal paper for printer (6 rolls) Measurement data documentation legible for up to 10 years Label thermal paper (Testo patent) for testo 575 printer (6 rolls), can be applied directly Barcode and accessories Barcode pen to read in measurement locations Quick and accurate allocation of reading to location Barcode labels, self-adhesive (1200 off) Location marked with barcode, printed using software Adhesive pockets (50 off) for printout, paper barcode labels... Software and accessories ComSoft 3 - Professional with data management Incl. database, analysis and graphics function, data analysis, trend curve RS232 cable Connects instrument to PC (1.8 m) for data transfer Electrical isolation for RS232 (connects measuring instrument to PC) Refrigeration module "Refrigeration technology" update with saved curves of all usual refrigerants System case Transport case (plastic) for measuring instrument, probes For secure and orderly storage System case (plastic) for measuring instrument, probes and accessories Probes in lid make it easy to find parts in case System case (aluminium) for measuring instrument, probes and accessories Probes in lid make it easy to find parts in case

8 REFERENCE MEASURING INSTRUMENT Calibration certificates 101 Calibration certificates/temperature Calibration certificates/pressure ISO calibration certificate/temperature For air/immersion probes, calibration points -18; 0; +60 ISO calibration certificate/temperature Measuring instruments with air/immersion probe; calibration points 0; +150; +300 ISO calibration certificate/temperature Thermometers with surface probe; calibration points +60; +120; +180 DKD calibration certificate/temperature Meas. instr. with air/immersion probe; calibration points -20; 0; +60 DKD calibration certificate/temperature Contact surface temperature probes; calibration points +100; +200; +300 ISO calibration certificate/pressure Absolute pressure; 5 pt. distributed over the whole measurement range ISO calibration certificate/pressure Differential pressure; 5 points distributed over meas. range (-1 to 250 bar) DKD calibration certificate/pressure Differential and positive pressure; 6 measuring points distributed over meas. range (> 0.6% of fsv) DKD calibration certificate/pressure Absolute pressure; 11 measuring points distributed over meas. range (0.1 to 0.6% of fsv) DKD calibration certificate/pressure Differential and positive pressure; 11 measuring points distributed over the instrument measuring range Calibration certificates/humidity ISO calibration certificate/humidity Calibration points freely selectable from 5 to to +35 (max DP +70 /min DP -30 ) -18 to +80 ISO calibration certificate/humidity Electronic hygrometers; calibration points 11.3 and 75.3 at +25 ISO calibration certificate/humidity Pressure dew point measuring instruments; calibration points freely selectable -40 to 0 at 6 bar ISO calibration certificate/humidity Saturated saline solutions: calibration point 11.3 ISO calibration certificate/humidity Saturated saline solutions, calibration point 75.3 DKD calibration certificate/humidity Electronic hygrometers; calibration points 11.3 and 75.3 at +25 DKD calibration certificate/humidity Calibration points freely selectable from 5 to to +70 DKD calibration certificate/humidity Saturated saline solutions; calibration point 11.3 DKD calibration certificate/humidity Saturated saline solutions; calibration point ol. %

9 102 REFERENCE MEASURING INSTRUMENT Suitable probes at a glance Air probes Illustration Meas. range Accuracy t99 Conn. NTC probes Highly accurate air probe for air and gas temperature measurements with bare, mechanically protected sensor Ø 9 mm To UNI curve 60 s Fixed cable Pt100 probes Standard air probe Ø 9 mm Class A 75 s Precision air probe Ø 9 mm /10 Class B (0 to 100) 1/5 Class B (rem. range) to EN s * NiCr-Ni probes Super quick-action immersion/penetration probe for measurements in gases and liquids with a low-mass tip Thermocouple, made of fibre-glass insulated 2000 mm thermal pipes, pack of 5 Insulation: twin conductor, flat, oval, opposed and covered with fibre-glass, both conductors are wrapped together with fibre-glass and soaked with lacquer, please order adapter Adapter to connect NiCr-Ni thermocouples and probes with open wire ends 20 mm Class 1 1 s Ø 1.4 mm Ø 0.5 mm * Ø 0.8 mm Class 1 5 s Please order adapter Fixed cable ol. % Surface probes Illustration Meas. range Accuracy t99 Conn. NiCr-Ni probes Quick-action surface probe with sprung thermocouple strip, measuring range short-term to +500 Super quick-action surface probe, probe tip at 90 angle, with sprung thermocouple strip Robust surface probe Robust surface probe, at 90 angle, suitable for inaccessible places Robust surface probe with sprung thermocouple strip for high temperature range up to +700 Roller surface probe for measurements on rollers and rotating drums, max. circumferential velocity 18 to 400m/min Magnetic probe, adhesive power approx. 20 N, with magnets, for measurements on metal surfaces Magnetic probe, adhesive power approx. 10 N, with magnets, for higher temperatures, measures on metal surfaces Miniature surface probe for measurements on electronic components, small motors... Adhesive thermocouple, pack of 2, carrier material: aluminium foil Is fixed at the measuring point using conventional adhesives or silicone heat paste Adapter to connect NiCr-Ni thermocouples and probes with open wire ends Pt100 probes Robust surface probe Infrared probes Infrared surface probe for fast non-contact temperature measurement on live, inaccessible and rotating parts 35 mm 75 mm 50 mm Ø 10 mm 100 mm Ø 10 mm Ø 4 mm Ø 4 mm 130 mm Ø 4 mm Ø 4 mm 200 mm 274 mm 270 mm Ø 5 mm Ø 4 mm Ø 33 mm Ø 20 mm Ø 21 mm Ø 15 mm Diameter extension 2 x 0.2 mm, 0.1 mm thick Ø 9 mm Class 2 3 s Class 2 3 s Class 1 25 s Class 1 25 s Class 2 3 s Fixed cable, coiled Class 2 Fixed cable, coiled * Class 2 Fixed cable Class 2 Fixed cable Class 2 3 s Fixed cable Class 1 Please order adapter Class B 40 s ±2% of mv ( ) ±2 ( ) Fixed cable s Fixed cable, coiled * * * Accessories Silicone heat paste (14g), Tmax = Improves heat transfer in surface probes *with EEPROM: Precision adjustment for each probe at a measuring point; measuring range limits are saved in probe; t95 extrapolation; surface allowance in surface probe can be adapted to measuring task

10 REFERENCE MEASURING INSTRUMENT Suitable probes at a glance 103 Pipe wrap probes Illustration Meas. range Accuracy t99 Conn. NTC probes Pipe wrap probe for pipes with diameter of up to 2", for flow/return temperature measurement in hydronic systems Spare meas. head for pipe wrap probe 35 mm 15 mm Class 2 5 s Fixed cable Class 2 5 s Pt100 probes elcro probe for pipes with diameter of max. 100 mm Class B 40 s Fixed cable Immers./penetr. probes Illustration Meas. range Accuracy t99 Conn. NiCr-Ni probes Fast response immersion/penetration probe Super quick-action immersion/penetration probe for measurements in liquids Super quick-action immersion/penetration probe for high temperatures Super quick-action immersion/penetration probe for measurements in gases and liquids with a low-mass tip Robust immersion/penetration probe made of 4A stainless steel, waterproof and oven-proof, e.g. for the food sector Smelting probe for measurements in non-ferrous melting baths, with exchangeable measuring tips Spare measuring tip for smelting probe 1100 mm Ø 6.5 mm Class 1 3 s * Class 1 1 s Ø 1.5 mm * 470 mm Class 1 1 s Ø 1.5 mm * 20 mm Class 1 1 s Ø 1.4 mm Ø 0.5 mm * Ø 3.5 mm Ø 6.5 mm Class 1 3 s Fixed cable Class 1 60 s Fixed cable Class 1 60 s Pt100 probes Standard immersion/penetration probe 200 mm Stainless steel Class A 20 s Standard immersion/penetration probe 200 mm Nickel Class A 20 s Highly accurate immersion/penetration probe incl. certificate Highly accurate immersion/penetration probe 295 mm Ø 4 mm 200 mm Stainless steel ±0.05 ( ) ±(0.05 ±0.05% of mv) ( ) ±(0.05 ±0.05% of mv) ( ) /10 Class B (0 to 100) 1/5 Class B (rem. range) to EN s 30 s * Flexible precision immersion probe, cable heatproof up to mm 50 mm Ø 3.5 mm Ø 6 mm /10 Class B (0 to 100) 1/5 Class B (rem. range) to EN s * Robust immersion/penetration probe with sharpened measuring tip, waterproof and ovenproof Ø 3.5 mm Class A 30 s Fixed cable Plug-in measuring tips Illustration Meas. range Accuracy t99 Conn. Plug-in measuring tip, 750mm long, flexible, for high temperatures, outer casing: stainless steel Plug-in measuring tip, 1200 mm long, flexible, for high temperatures, outer casing: stainless steel Plug-in measuring tip, 550mm long, flexible, for high temperatures, outer casing: Inconel mm 1200 mm 550 mm Class 1 4 s Please order handle with Class 1 4 s Please order handle with Class 1 4 s Please order handle with ol. % Plug-in measuring tip, 1030mm long, flexible, for high temperatures, outer casing: Inconel Handle for plug-in measuring tip 1030 mm Class 1 4 s Please order handle with *with EEPROM: Precision adjustment for each probe at a measuring point; measuring range limits are saved in probe; t95 extrapolation; surface allowance in surface probe can be adapted to measuring task

11 104 REFERENCE MEASURING INSTRUMENT Suitable probes at a glance Other temperature probes Illustration Meas. range Accuracy Conn. Globe thermometer to measure radiant heat More probes Illustration Meas. range Accuracy Conn. probe to measure level in ambient air Ø 190 mm Accuracy corresponds to ISO 7243, ISO 7726, DIN EN 27726, DIN requirements Ø 25 mm ±0.5 ( ) ±1 ( ) ±5% of mv ( ) ±5 ( ) Fixed cable Fixed cable probe measures indoor air quality and monitors the workplace. With plug-in head, Mechanical probe with plug-in head Included 2 probe tips Ø 8 and 1 hollow cone Ø 8 mm 1 surface speed disc Ø 19 mm to measure rotational speed: = rotational speed in mm/s Current/voltage cable (±1, ±10, 20 ) ol. % ±(50 ±2% of mv) ( ) ±(100 ±3% of mv) ( ) ± 1 digit m ±1 m ( m) ±0.01 ( ) ±0.04 ( ) Accessories for temperature probes Cable, 1.5 m long, connects probe with plug-in head to meas. instrument Accessories for temperature probes Telescopic handle, max. 1 m, for probe with plug-in head PUR coating material Cable: 2.5 m long, PUR coating material Cable, 5 m long, connects probe with plug-in head to measuring instrument PUR coating material Glass pipe for immersion/penetration probe to protect from corrosive agents For probes with Part nos and Extension cable, 5 m long, between plug-in head cable and instrument PUR coating material Selecting the right temperature sensor Measuring range Accuracy Select the sensor with the accuracy for your application from the diagram or table. Accuracy data Type K Sensor Thermocouple Temp. range Class 2 Maximum tolerances Fixed value Referred to temperature ±2,5 ±0,0075 x ltl ol. % Type J Thermocouples Type K (NiCr-Ni) Type T Type J Pt100 NTC (Standard) NTC (High temp.) , , , , , B A ±1,5 ±0,5 ±1,5 ± (0,3 + 0,005 ItI) ± (0,15 + 0,002 ItI) ±0.4 ±0.2 ±0.5 % of reading ±0,004 x ltl ±0,001 x ltl ±0,004 x ltl ±1 ±0.6 ±0.5 ±0.5 ±0.5 % of reading NTC Pt100 Type T Data for thermocouples to EN (formerly IEC 584-1). Two values are given. One fixed value in and a formula. The larger value always applies. Data for Pt100 to EN (formerly IEC 751). t=measuring temperature There is no standardization for NTC sensors

12 REFERENCE MEASURING INSTRUMENT Suitable probes at a glance Probes Illustration Meas. range Accuracy t90 Conn. Air probes Standard indoor air quality probe up to +70 Duct humidity/temperature probe, can be connected to telescopic handle Telescopic handle , see Ordering data for Accessories Thin humidity probe incl. 4 attachable protection caps for ambient air measurements, measurements in exhaust air ducts and equilibrium moisture measurements Highly accurate reference humidity/temp. probe incl. calibration certificate Humidity/temperature probe Process humidity Standard pressure dew point probe for measurements in compressed air systems Precision pressure dew point probe for measurements in compressed air systems incl. cert. with test point -40 High humidity level probe with heated sensor element, no condensation on sensor Robust high temperature/humidity probe up to +180 Flexible humidity probe (does not retain shape) for measurements in inaccessible places Material and equilibrium moisture Flexible humidity probe with mini module for meas. e.g. on material testing rigs, module cable length 1500mm, probe tip 50x19x7mm Sword probe for measuring humidity and temperature in stacked material Robust humidity probe e.g. for measuring equilibrium moisture or for measurements in exhaust ducts to +120 Material moisture probe Material/building moisture cable aw value aw value set: pressure-tight precision humidity probe with certificate, measurement chamber and 5 sample bowls (plastic) 300 mm 300 mm Ø 21 mm Ø 21 mm 180 mm 250 mm Ø 4 mm 300 mm 300 mm 1500 mm 100 mm 320 mm Ø 18 mm 300 mm ±2 ( ±0.4 ( ) 12 s ) ±0.5 ( ) ±0.5 ( ) ±2 ( ) ±0.4 ( ) ±0.5 ( ) ±0.5 ( ) ±1 ( )* ±0.4 ( ) ±2 ( ) ±0.5 ( ) ±2 ( ) ±0.5 ( ) ±2.5 ( ) ±2 ( ) ±2 ( ) ±2 ( ) ±2 ( ) ±2 ( ) ±0.9 ( ) ±1 ( ) ±2 ( ) ±3 ( ) ±4 ( ) ±0.8 ( ) ±1 ( ) ±2 ( ) ±3 ( ) ±4 ( ) ±0.4 ( ) ±0.5 ( ) ±0.5 ( ) 12 s Fixed cable s s s ±0.4 ( ) 30 s ±0.5 ( ) ±0.5 ( ) ±0.4 ( ) 30 s ±0.5 ( ) ±0.5 ( ) ±0.4 ( ) 20 s ±0.5 ( ) ±0.5 ( ) ±0.4 ( ) ±0.5 ( ) ±0.5 ( ) ±0.4 ( ) ±0.5 ( ) ±0.5 ( ) 30 s s s mm Free scaling, reference measurement, no water level 0 to 100 k Ohm = 100 to 0 % ±2 ( ) ±0.4 ( ) ±0.5 ( ) ±0.5 ( ) ±0.4 ( ) ±0.5 ( ) ±0.5 ( ) 15 s Displayed values in instrument mean: 100 to 66 wet; 0 to 1 very dry ±0.01 ( ±0.4 ( ) Reproducibility of ) ±0.5 ( ) aw value ±0.003 ±0.02 ( ) ±0.5 ( ) * in the temperature range from +10 to Description Illustration Probe type Meas. range Accuracy Conn. Precision pressure probe, 100 Pa, measures differential pressure Differential Pa ±(0.3 Pa ±0.5% of mv) pressure probe ( Pa) Pressure probe, 10, measures differential pressure Pressure probe, 100, measures differential pressure Pressure probe, 2000, measures absolute pressure Differential ±0.03 ( ) pressure probe Differential pressure probe Absolute pressure probe ±0.5% of mv ( ) ±0.1 ( ) ±5 ( ) ol. % Low pressure probe, refrigerant-proof stainless steel, without cable High pressure probe, refrigerant-proof stainless steel, up to 30 bar, without cable High press. probe, refrigerant-proof st. steel, up to 40 bar, w/o cable Screw-in thread 7/16" UNF Screw-in thread 7/16" UNF Screw-in thread 7/16" UNF Low pressure probe High pressure probe High pressure probe bar ±1% of f.v. ( bar) Overload connection cable 0409 ±32 bar ( bar) bar ±1% of f.v. ( bar) Overload connection cable 0409 ±70 bar ( bar) bar ±1% of f.v. ( bar) Overload ±70 bar ( bar) connection cable

13 106 REFERENCE MEASURING INSTRUMENT Suitable probes at a glance Caps for humidity probes Ø 12 and 21 mm Illustration For humidity probes: Metal protection cage, Ø 21 mm for humidity probes, material: stainless steel 4A. Quick adjustment time, robust and temperature-proof. Used when measuring velocities of less than 10 m/s Metal protection cage, for humidity probes, material: stainless steel 4A. Quick adjustment time, robust and temperature-proof. Used when measuring velocities of less than 10 m/s. Wire mesh filter, Ø 21 mm, insertable filter for metal protection cage and plastic cap. Material: stainless steel 4A, quick adjustment time, protects from dirt and damage. Applications: meteorology, splashwater, condensation. Cap with wire mesh filter, Ø 21 mm Ø 21 mm All humidity probes with Ø 21 mm , All humidity probes with Ø 21 mm All humidity probes with Teflon sintered filter, Ø 21 mm, PTFE. Not affected by condensation, water-repellent, resistant to corrosive substances. Applications: compressed air measurements, high humidity range (continuous measurements), high velocities Teflon sintered filter,, PTFE. Not affected by condensation, water-repellent, resistant to corrosive substances. Applications: compressed air measurements, high humidity range (continuous measurements), high velocities Stainless steel sintered cap, Ø 21 mm, made of stainless steel 2A. Highly robust, suitable for penetration, clean with compressed air, mechanical protection of sensor. Applications: high mechanical loads, high velocity speeds. Stainless steel sintered cap, Ø 12mm, made of stainless steel 2A. Highly robust, suitable for penetration, should be cleaned with compressed air, mechanical protection of sensor. Applications: high mechanical loads, high velocity speeds. Teflon cap, Ø 5 mm, attachable, PTFE material, (5 off). Applications: dust protection, high humidity level measurements, high velocities Accessories for humidity probes/sensors Cable, 1.5 m long, connects probe with plug-in head to meas. instrument PUR coating material Cable, 5 m long, connects probe with plug-in head to measuring instrument PUR coating material Extension cable, 5 m long, between plug-in head cable and instrument PUR coating material Telescopic handle, max. 1 m, for probe with plug-in head Cable: 2.5 m long, PUR coating material Telescopic handle, mm long Adapter for surface humidity measuring, for humidity probes Ø 12mm Locates damp spots on walls, for example Cap for bore holes, for humidity probe with 12mm diameter Measures equilibrium moisture in bore holes Control and humidity adjustment set 11.3/75.3 incl. adapter for humidity probes Control and storage humidity (33) for humidity probes Ø 21 mm Ø 21 mm Ø 5 mm Accessories for pressure probes All humidity probes with Ø 21 mm , , All humidity probes Ø 21 mm , Connection cable for pressure probes , , Magnetic holder for pressure probes For pressure probes /..1445/..1545/ Adapter for pressure probes, 1/2" outer thread, 1/4" inner thread Why you should choose humidity meas. instr. from Testo ol. % 09/00 12/00 Inter-lab. tests KRISS NRCCRM 08/01 04/00 PTB 10/00 05/00 JQA 03/01 03/99 08/96 PTB 04/96 10/98 INTA 10/98 Three precision probes were subjected to extensive inter-laboratory tests at the PTB in Berlin, NIST in the USA, the French national institute CETIAT, the Italian institute IMGC, the English national institute NPL, the Spanish national institute INTA, JQA in Japan, KRISS in Korea, NRCCRM in Peking and in Testo`s DKD calibration laboratory. The results confirm an accuracy of ±1 for the probes, as indicated by Testo. 10/96 09/98 CETIAT NPL 12/96 07/97 10/96 09/98 NIST IMGC 05/97 10/97 Deviation from resp. reference in Long-term stability of Testo humidity sensor Reference humidity probes for highest precision - Accuracy ±1-2 year guaranteed long-term stability under normal conditions PTB; NRCCRM; Results of the worldwide inter-laboratory test on 3 precision humidity probes

14 REFERENCE MEASURING INSTRUMENT The precision set for air humidity measurement 107 Recommended kit: testo 650, reference humidity measuring instrument with battery, Li cell, calibration protocol 2 channel humidity and temperature meas. instrument with aw value measurement, pressure measurement with option of connecting pressure probes,,,, m/ transmitters Highly accurate reference humidity/temp. probe incl. calibration certificate For high accuracy levels ±1, incl. calibration certificate Attachable printer (securely attached) with 1 roll of thermal paper and batteries SoftCase (protects instrument from impact) with carrier strap, magnetic holder and probe holder SoftCase for attachable printer (protects printer from dirt/impact) Cable, 1.5 m long, connects probe with plug-in head to meas. instrument PUR coating material System case (plastic) for measuring instrument, probes and accessories Probes in lid make it easy to find parts in case We recommend: DKD calibration certificate/humidity Calibration points freely selectable from 5 to 95 at +25 or -18 to Measurements in climatic cabinets with the highly accurate reference humidity/temperature probe. Advantage: accurate monitoring of fluctuations in air humidity with an accuracy of ±1 The reference set for measuring remaining moisture Recommended kit: testo 650, reference humidity measuring instrument with battery, Li cell, calibration protocol 2 channel humidity and temperature meas. instrument with aw value measurement, pressure measurement with option of connecting pressure probes,,,, m/ transmitters Precision pressure dew point probe for measurements in compressed air systems incl. cert. with test point -40 Meas. range Attachable printer (securely attached) with 1 roll of thermal paper and batteries SoftCase (protects instrument from impact) with carrier strap, magnetic holder and probe holder SoftCase for attachable printer (protects printer from dirt/impact) Protects from impact and falls Cable, 1.5 m long, connects probe with plug-in head to meas. instrument PUR coating material System case (plastic) for measuring instrument, probes and accessories Probes in lid make it easy to find parts in case We recommend: DKD calibration certificate/humidity Calibration points freely selectable from 5 to 95 at +25 or -18 to Pressure-tight precision probe for measuring the remaining moisture in compressed air systems, plastics driers...advantage: display in,, pressure dew point ol. %

15 108 REFERENCE MEASURING INSTRUMENT The reference set for aw value measurement Recommended kit: testo 650, reference humidity measuring instrument with battery, Li cell, calibration protocol 2 channel humidity and temperature meas. instrument with aw value measurement, pressure measurement with option of connecting pressure probes,,,, m/ transmitters aw value set: pressure-tight precision humidity probe with certificate, measurement chamber and 5 sample bowls (plastic) Attachable printer (securely attached) with 1 roll of thermal paper and batteries SoftCase (protects instrument from impact) with carrier strap, magnetic holder and probe holder Quality control monitoring of pharmaceuticals. Advantage: Results are traceable to national standards. testo 650 automatically indicates when a sample reaches equilibrium, signalling the end of the test. Constant monitoring is therefore not. Different measurement samples can be read by barcode. Advantage: Additional information such as min./max. values, mixing ratios... are saved in the barcode. Calibration on location with control and adjustment set, with DKD calibration certificate if. Advantage: This provides additional quality assurance. SoftCase for attachable printer (protects printer from dirt/impact) Protects from impact and falls We recommend: DKD calibration certificate/humidity Calibration points freely selectable from 5 to 95 at +25 or -18 to +70 We recommend: Control and humidity adjustment set 11.3/75.3 incl adapter for humidity probes The reference refrigeration set Recommended kit: testo 650, reference humidity measuring instrument with battery, Li cell, calibration protocol 2 channel humidity and temperature meas. instrument with aw value measurement, pressure measurement with option of connecting pressure probes,,,, m/ transmitters Low pressure probe, refrigerant-proof stainless steel, without cable Screw-in thread 7/16" UNF High press. probe, refrigerant-proof st. steel, up to 40 bar, w/o cable Screw-in thread 7/16" UNF Connection cable for pressure probes , , Connection cable for pressure probes , , Pipe wrap probe for pipes with diameter of up to 2", for flow/return temperature measurement in hydronic systems Attachable printer (securely attached) with 1 roll of thermal paper and batteries ol. % Measurement in a refrigeration unit, low/high pressure. testo 650 and pressure probes make it possible to take measurements on either supply or returns of a refrigeration unit. The temperature of the refrigerant on the pipe surface can be measured using the pipe clamp probe. The integrated data memory automatically saves the data for future reporting. Advantage: The different temperature curves of all conventional refrigerants can be shown using special software. SoftCase (protects instrument from impact) with carrier strap, magnetic holder and probe holder SoftCase for attachable printer (protects printer from dirt/impact) Protects from impact and falls System case (plastic) for measuring instrument, probes and accessories Probes in lid make it easy to find parts in case ComSoft 3 - Professional with data management Incl. database, analysis and graphics function, data analysis, trend curve "Refrigeration technology" update with saved curves of all usual refrigerants

16 REFERENCE MEASURING INSTRUMENT Technical data 109 Probe type Testo humid. sensor, cap. Pressure aw value Meas. range Accuracy ± 1 digit See probe data Probe Probe Probe Probe ±0.1% of mv See probe data Probe Probe Probe ±0.2% of mv Resolution Probe type 0.1 ( ) NTC ( probe) ( probe) 0.01 ( probe) 1 ( probe) 0.01 bar ( probe) 0.01 bar ( probe) 0.01 bar ( probe) Pt100 Meas. range Type K (NiCr-Ni) Type S (Pt10Rh-Pt) Type J (Fe-CuNi) Accuracy ± 1 digit ±0.2 ( ) ±0.4 ( ) ±0.4 ( ) ±0.1 ( ) ±0.4 ( ) ±0.4 ( ) ±1 ( ) ±1 ( ) ±0.4 ( ) ±1 ( ) ±1 ( ) ±1 ( ) ±0.4 ( ) ±1 ( ) ±1 ( ) Resolution 0.1 ( ) 0.01 ( ) 0.1 ( ) 0.1 ( ) 0.1 ( ) 1 ( ) 0.1 ( ) Probe type Meas. range probe ol. % probe Mechanical Current/voltage measurement Current/voltage measurement Accuracy ± 1 digit Resolution See probe data ±5% of mv ( ) ( ) 1 ( ) ±0.04 ( ) 0.01 ( ) ±0.01 ( ) 0.01 ( ) PC RS232 interface Oper. temp Storage temp Battery type 1.5 AA Battery life 18 h Weight 500 g Warranty 3 years Memory space in basic version: 128 kb corresponds to approx. 45,000 readings Memory space, extended: 1 MB, corresponds to approx. 500,000 readings Other features: automatic recognition of all connected probes Power supply: Battery/rech. batt., alternatively 8 mains unit Battery life in continuous operation with 2 thermocouple probes ol. %

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