EE35. Industrial Transmitter for Dew Point Measurement. Autocalibration. Installation. Alarm Output. Integrated power supply. Typical Applications

Transcription

1 EE35 Industrial Transmitter for Dew Point Measurement Exact dew point monitoring is increasingly playing a more important role in many industrial applications, such as drying processes, air pressure pipelines, etc. For these purposes the multifunctional EE35 Series offers the ideal features. The EE35 Series is based on a functional, user-friendly housing concept and on the proven polymer humidity sensors of the HC Series. A specially developed autocalibration process enables measurements in a measurement range of C Td ( F Td), with a Td measurement accuracy of ±2 C (±3.6 F). Two freely configurable and scalable analogue outputs are available for the two measurement values (Td, T). An optional hygrostat output, which can be set by means of a potentiometer, provides an alarm signal in a simple way when a threshold of the permitted dew point is exceeded. An optional display for the measurement values and the associated MIN/MAX values allows a quick overview of the current situation. Autocalibration Dew points in the range of C ( F) at room temperatures correspond to relative humidity values of % RH. The measurement of such low humidity values is not possible with conventional capacitive measurement methods. For the EE35 Series, a special autocalibration process is used to compensate for the usual drift effects and thus to achieve high accuracy measurements also at -60 C Td (-76 F Td). Installation In addition to the direct mounting of the dew point probe, a ball valve installation enables the mounting and removal of the probe without having to interrupt the running process. Alarm Output An optional alarm module with one relay output is available for control and alarm purposes. The setting of the Td threshold can be easily done with the potentiometer on the printed circuit board. Integrated power supply A power supply, integrated in the back module of the housing, can be ordered optionally ( V AC, 50/60Hz; ordering code V01). The power supply V01 is available for both polycarbonate and metal housing and comes standard with two plugs for supply and outputs to allow an easy connection. Typical Applications industrial processes monitoring of air pressure pipelines warehouses drying processes paper industries chemical industries Features measuring range C Td ( F Td) accuracy of measurement ±2 C Td (±3.6 F Td) traceable calibration alarm output for dew point autocalibration 110 V2.7 / Modification rights reserved EE35

2 Housing Dimensions (mm) Installation Example Housing: polycarbonate housing metal housing ball valve installation (pressure-tight up to 20bar/290psi) 135 (5.3 ) 66.5 (2.6 ) 135 (5.3 ) 66.5 (2.6 ) For use in harsh industrial environments the EE35 series is available in a robust metal housing. 90 (3.5 ) 90 (3.5 ) 163 (6.4 ) 1/2 ISO or 1/2 NPT Model: 1/2 ISO or 1/2 NPT 13 (0.51 ) 32 (1.3 ) 12 (0.47 ) code cable length code probe length 15 (0.59 ) EE35-xEx Remote probe for T up to 60 C (140 F) and pressure-tight up to 20bar (290psi) Probe material: stainless steel bore diameter: >13.1 (0.5 ) 23 (1 ) minimum installation depth fixed installation (pressure-tight up to 20bar/290psi) 1/2 ISO or 1/2 NPT 64 (2.5 ) resp. 164 (6.5 ) maximum installation depth bore diameter: >13.1 (0.5 ) Connection Versions Standard Plug Option C03 Plug Option C06 2x M16x1.5 Lumberg RKC 5/7 Lumberg RSC 5/7 M16x1.5 Power supply + Analogue output EE35 V2.7 / Modification rights reserved 111

3 Technical Data Measuring Quantities Dew point Humidity sensor HC Measuring range standard calibration: C ( F) (below 0 C / 32 F the transmitter outputs frostpoint) special calibration: C ( F) Accuracy ±2 C ( ± 3.6 F) Traceable to intern. standards, administrated by NIST, PTB, BEV... dew point temperature ( C) uncertainty of measurement ±2 degc limit of measuring range -80 Process temperature ( C) Response time t sec. -20 C -40 C (-4 F -40 F) 10 sec. -40 C -20 C (-40 F -4 F) Temperature Sensor Pt1000 DIN A Measuring range C ( F) Accuracy of temperature measurement at 20 C (68 F) ±0.2 C (±0.36 F) Sensitivity error at full scale ±0.1 C (±0.18 F) Temperature dependence of electronics < C/ C Outputs 0-5V -1mA < I L < 1mA Two freely selectable and scaleable analogue outputs 0-10V -1mA < I L < 1mA xx...yy C T, Td/Tf / xx...yy C respectively 4-20mA R L < 500 Ohm 0-20mA R L < 500 Ohm General Supply voltage V DC V AC (optional V AC, 50/60Hz) Current consumption - voltage output typ. 40mA, with autocalibration: 100mA - current output typ. 80mA, with autocalibration: 140mA Pressure range bar ( psi) Housing / protection class PC or Al Si 9 Cu 3 / IP65; Nema 4 Cable gland M16 x 1.5 (option: plug) cable Ø mm ( ) Electrical connection screw terminals up to max. 1.5mm² (AWG 16) Sensor protection stainless steel sintered filter Working temperature range probe: C ( F) electronic: C ( F) with LC display: C ( F) with alarm module: C ( F) Storage temperature range C ( F) Electromagnetic compatibility according to EN EN ICES-003 ClassB Industrial Environment FCC Part15 ClassB Technical Data for Options Display Alarm output for Td/Tf Connection Diagram graphical LC display (128x32 pixels), with integrated pushbuttons for selecting parameters Td or T and MIN/MAX functions - range: C Td ( F Td) adjustable with the potentiometer on the printed circuit board - 1 switch contact - 250V AC/6A or 28V DC/6A V ma V ma RxD/B- TxD/A+ GND Ser OUT 2 OUT 1 Serielle Schnittstelle serial für Konfiguration connection / for configuration serial connection for configuration Analog Ausgang / analogue output analogue output Terminal configuration - Alarm output NC 11 REL 1 C 12 NO 13 GND V DC 12-30V AC GND V+ 2 1 Versorgung / supply supply 112 V2.7 / Modification rights reserved EE35

4 Ordering Guide EE35 EE35- Hardware Configuration Housing metal housing M polycarbonate housing P Type pressure tight E Cable length 1m (3.3ft) 01 (incl. probe length) 2m (6.6ft) 02 5m (16.4ft) 05 Probe length 100mm (3.9 ) 3 200mm (7.9 ) 5 Pressure tight 1/2" male thread HA03 feedthrough 1/2 NPT thread HA07 Display without display with display D05 Alarm output 1) without relay with relay SW Plug cable glands 1 plug for power supply and outputs C03 1 cable thread / 1 plug for RS232 C06 Probe fixed pluggable P01 Td-Calibration standard C ( F) special calibration C ( F) CA02 Supply voltage V DC / V AC integrated power supply V AC, 50/60Hz 2) V01 Software Configuration Physical parametres temperature T [ C/ F] output 1 B of the outputs dew point temperature Td [ C/ F] output 2 C frost point temperature Tf [ C/ F] D Type of 0-5V 2 output signals 0-10V mA mA 6 Measured value unit metric [ C] non metric [ F] E01 Scaling of T-output (T02) (T65) (T79) output T Select accorcding to (T27) (T66) (T83) ordering guide (Txx) (T63) (T73) (T97) Other T-scaling refer (T64) (T77) to data sheet T-Scalings Scaling of Td/Tf-output (T02) (T07) (T64) output Td resp.tf Select accorcding to (T03) (T21) (T90) ordering guide (T04) (T22) (T91) (Tdxx resp. Tfxx) (T05) (T24) (T96) Other Td/Tf-scaling refer 1) Combination alarm output and plugs is not possible (with cable glands only) / combination alarm output and integrated power supply is not possible 2) Integrated power supply includes 2 plugs for power supply and outputs / further plug options are not possible to data sheet T-Scalings Accessories - Ball valve set 1/2 ISO (HA050101) - Interface cable for PCB ( HA ) - Ball valve set 1/2 NPT (HA050104) - Interface cable for plug C06 ( HA ) - Display + housing cover in metal ( D05M ) - Bracket for installation onto mounting rails* ( HA ) - Display + housing cover in polycarbonate ( D05P ) - Sealing element (HA050308) - Stainless steel sintered filter ( HA ) *Note: Only for plastichousing, not for metalhousing Order Example EE35-ME025HA03D05P01/BC5-T02-Td02 Housing: metal housing Output 1: T Type: pressure tight Output 2: Td Cable length: 2m (6.6ft) Output signal: 0-20mA Probe length: 200mm (7.9 ) Measured value unit: metric Pressure tight feedthrough: 1/2" male thread Scaling of T-output: C Display: with display Scaling of Td-output: C Alarm output: without relay Plug: cable glands Sensing probe: pluggable Td Calibration: standard Supply voltage: V DC / V AC EE35 V2.7 / Modification rights reserved 113

5 EE355 OEM Dew Point Transmitter down to -60 C Td The compact EE355 Dew Point Transmitter with a measuring range down to -60 C Td is ideal for applications in compressed air systems, plastic dryers and industrial drying processes. An integrated auto-calibration procedure permits a measurement accuracy of <2 C Td. The measured values for dew point, frost point or ppm volume concentration are available on an analog 4-20 ma and a digital Modbus RTU output. Integration into the measurement task is simplified by the compact design and the exceptionally robust stainless steel housing. With an optional Modbus to USB converter and the free EE- PCS configuration software the user can adjust the transmitter, set the Modbus parameters, and change the scaling of the analog output. EE355 Technical Data Measuring values Dew point (Td) Measurement range Accuracy 1) C Td ( F Td) Dew point temperature ( C) Accuracy: ±2 C Td -60 Medium temperature ( C) Response time t 90 < 5 min -20 C Td ( -4 F Td) -60 C Td ( -76 F Td) < 15 sec -60 C Td ( -76 F Td) -20 C Td ( -4 F Td) Volume concentration (ppm) Measurement range ,000 ppm Accuracy at 20 C (68 F) and 1013mbar ±(5 ppm + 9 % from measured value) Output Analog output (scalable) 4-20 ma (3-wire technology) RL < 500 Ohm Maximum adjustable scaling C Td ( F Td) Resolution of analog output 2 µa Digital interface MODBUS RTU (max. 32 units in one bus) Temperature dependence ±5ppm of the measuring span / C (Deviating from 20 C) General Supply voltage V DC Current consumption at 24V DC <20 ma + load current / with autocalibration: 100 ma + load current Pressure range of use bar Housing / protection class Stainless steel (AISI 316L) / IP65 Electrical connection 2) M12x1 5-pin plug Sensor protection Stainless steel sintered filter Temperature / humidity operating range C ( F) / % RH Storage temperature range C ( F) Electromagnetic compatibility EN EN Industrial environment FCC Part 15 ICES-003 ClassB 1) The accuracy statement includes the uncertainty of the factory calibration with an enhancement factor k=2 (2-times standard deviation). The accuracy was calculated in accordance with EA-4/02 and with regard to GUM (Guide to the Expression of Uncertainty in Measurement). 2) Field-attachable mating connector is included in the scope of supply. 114 EE355 v1.5 / Modification rights reserved EE355

6 Dimensions in mm (inch) Connection Diagram ISO Ø12 (0.5) 34.5 (1.36) G1/2 140 (5.5) 92 ( 3.6) AD27 77 (3) Ø30 (1.2) Plug 1...V+ 2...Analog output 4-20mA 3...GND 4...RS485 A (=D+) 5...RS485 B (=D-) NPT 89 (3.5) 1/2 NPT AD22 74 (2.9) Sampling Cell with Quick Connector The sampling cell is specially developed for use in compressed air lines and has a quick-connector suitable for standard compressed air connections (DN7.2). It allows for the cell to be fitted and removed without interrupting the process. The flow of gas can be adjusted using a bleed screw. Pressure range: bar ( psi) = G 1/2 ISO 2 = Bleed screw 3 = Quick connector 3 Ordering Information EE355-T63G Pressure-tight screw connection G1/2" thread A 1/2 NPT thread C Software configuration Physical parameter Dew point temperature Td [ C/ F] TD for analog output Frost point temperature Tf [ C/ F] output for Td < 0 TF volume fraction of water vapor Wv [ppm] WV Scaling of analog output see chart Scaling Range (e.g. TD002 for C Td) xxx Measured value unit metric [ C] M non metric [ F] N Scaling Range Dew point TD or Frost point TF (in C or F) volume fraction of water vapor WV Scope of Supply - EE355 Transmitter according to Ordering Guide - Mating plug M12x1 for customer assembly - Operation Manual - Quick guide - Inspection certificate according to DIN EN Order example EE355-T63GA/TD065M Pressure-tight screw connection: G1/2 thread Output: Dew point Td Output scaling: 4-20 ma = C Td Measured value unit: metric [ C] Accessories M12x1 5pin connection cable socket/flying leads 1.5m HA sampling cell with quick connector HA M12x1 5pin connection cable socket/flying leads 5m HA sampling cell NPT with bleed screw HA M12x1 5pin connection cable socket/flying leads 10m HA basic sampling cell HA Modbus - USB converter for EE35x HA stainless steel sintered filter HA EE355 v1.5 / Modification rights reserved 115

7 EE354 Measured Values Dew point (Td) Output The EE354 was developed for monitoring dew point down to -20 C Td (-4 F Td). The high measurement accuracy of ±1 C Td (±1.8 F Td) in the typical working range of a refrigeration dryer makes the EE354 the ideal solution for OEM manufacturers. Integration into the measurement task is considerably simplified thanks to its highly compact design and exceptional robust stainless steel housing. The measurement values are issued on an analog 4-20 ma and a digital Modbus RTU output. Furthermore, excellent long-term stability and temperature compensation across the entire measurement range are important features of the EE354. Using the free EE-PCS configuration software and the Modbus USB converter (available as an accessory), the scaling of the analog output can be modified. This also permits one and two-point adjustments by the user. Typical Applications Compressed air monitoring Refrigeration dryer Technical Data Sensor Measurement range Accuracy at 20 C 1) Response time t 90 at 20 C HC C Td ( F Td) < 30 sec. Miniature Dew Point Transmitter down to -20 C Td (-4 F Td) EE354 Analog output (scalable) 4-20 ma (3-wire technology) R L < 500 Ohm Maximum adjustable scaling C Td ( F Td) Digital interface MODBUS RTU Temperature dependence ±0.005 % of the measuring span / C General Supply voltage 10 *)...28 V DC *) 10V+0.02*R L Power consumption at 24 V DC <40 ma Pressure range of use bar ( psi) Housing / protection rating Stainless steel (AISI 316L) / IP65 Electrical connection 2) M12x1 5-pin plug Sensor protection Stainless steel sinter filter Temperature / humidity operating range C ( F) / % RH Storage temperature range C ( F) Electromagnetic compatibility in accordance with EN EN Industrial environment 1) The accuracy statement includes the uncertainty of the factory calibration with an enhancement factor k=2 (2 x standard deviation). The accuracy was calculated in accordance with EA-4/02 and with regard to GUM (Guide to the Expression of Uncertainty in Measurement). 2) Flange receptacle for self assembly included in scope of supply. Dew point [ C Td] Features Measurement range C Td ( F Td) Accuracy ±1 C (±1.8 F) for refrigerant dryers Output ma MODBUS RTU digital interface Pressure-tight up to 80 bar (1160 psi) ±1 C ±1.8 F ±2 C ±3.6 F Gas temperature [ C] ±3 C / ±5.4 F EE354 v1.5 / Modification rights reserved EE354

8 Dimensions in mm (inch) Connection Diagram ISO Ø12 (0.5) 34.5 (1.36) G1/2 140 (5.5) 92 ( 3.6) AD27 77 (3) Ø30 (1.2) Plug 1...V+ 2...Analog output 4-20 ma 3...GND 4...RS485 A (=D+) 5...RS485 B (=D-) NPT 89 (3.5) 1/2 NPT AD22 Modbus Map 74 (2.9) The measured values are 32Bit float values. The factory-set slave ID is 243 as integer 16Bit value. This ID can be customised in the register 0x00 (value range permitted). For Modbus setting please see Application Note AN0103. The factory setting of the transmission rate is: baud rate 9600, parity even, and stop bit 1. FLOAT: INTEGER: Register address Protocol address Parameter name x1F dew point Td x29 frost point Tf Register address Protocol address Parameter name x00 Slave-ID x01 RS485 setting Ordering Information EE354-T63G Pressure-tight screw connection G1/2" thread A 1/2" NPT thread C Software configuration Physical parameters Dew point temperature Td [ C/ F] TD Analog output Frost point temperature Tf [ C/ F] at dew point <0 C, the frost point is issued TF Td/Tf output scaling xxx (acc. to table (in C or F) scaling ranges) Measured value unit metric [ C] M non metric [ F] N Scaling Range TD or TF Accessories M12x1 5pin mating plug suitable for customer-specific assembly HA sampling cell with quick connector HA M12x1 5pin connection cable socket/flying leads 1.5 m HA sampling cell NPT with bleed screw HA M12x1 5pin connection cable socket/flying leads 5 m HA basic sampling cell HA M12x1 5pin connection cable socket/flying leads 10 m HA stainless steel sinter filter Modbus - USB converter for EE35x Order example EE354-T63GA/TD060M Pressure-tight screw connection: Output: Scaling of output: Measured value unit: G1/2" thread Dew point Td 4-20 ma = C Td metric [ C] HA HA EE354 v1.5 / Modification rights reserved 117

9 EE371 Compact Dew Point Temperature Transmitter / Switch The exact monitoring of dew point temperature in compressed air systems, dryers for plastic and other industrial processes is becoming increasingly more important. EE371 series with a measuring range C Td ( F Td) is the ideal solution for such applications. The core of the transmitter is the monolithic measurement cell type HMC01, developed by E+E Elektronik in thin-film technology. An autocalibration procedure which is integrated in the device and years of experience in low humidity adjustment make an accuracy of <2 C Td (±3.6 F Td) possible. The compact construction in a robust aluminium housing and the numerous options allow easy mounting and many application possibilities. EE371 Autocalibration Dew point temperatures in the range of C ( F) at room temperature correspond to relative humidity values of % RH. The measurement of these low humidity values is not possible with conventional capacitive measurement methods. For the EE371 series a special autocalibration procedure is utilized to achieve high accuracy measurements at lowest dew points too. Outputs Model T: The transmitter has two freely selectable and scaleable outputs for dew point, frost point or ppm volume concentration. Model S: The switch with two relay outputs is designed for control and alarm purposes. The status for early warning and main alarm is indicated by LED's. Adjustment of the Td/Tf set point and hysteresis can be achieved with the optional configuration software. Configuration Software The optional configuration software allows flexible and easy adjustment of the analogue resp. relay outputs to the respective requirements. The adjustment / calibration of the transmitters can easily be performed. Screw Connection for Mounting positionable The construction of this screw connection enables any position / rotation of the mounted transmitter. So an optimal position of the display resp. the cable outlet is guaranteed. Typical Applications monitoring of compressed air systems refrigerant type dryer absorption dryer plastics dryer 118 Features measuring range C Td ( F Td) accuracy of measurement ±2 C Td (±3.6 F Td) two Td/Tf alarm outputs autocalibration pressure tight up to 100 bar (1450psi) EE371 v1.7 / Modification rights reserved EE371

10 Technical Data Measuring Quantities Dew point (Td) Dew point sensor Measuring range Accuracy HMC C Td ( F Td) Traceable to intern. standards, administrated by NIST, PTB, BEV dew point temperature ( C) Accuracy ±2 C Td ( ± 3.6 F) process temperature ( C) Response time t sec. -20 C Td -40 C Td (-4 F Td -40 F Td) 10 sec. -40 C Td -20 C Td (-40 F Td -4 F Td) Volume concentration Measuring range ,000ppm Accuracy at 20 C (68 F) and 1013mbar ±(5 ppm + 9 % from measured value) Outputs EE371-Tx two freely selectable and scaleable 0-1V / 0-5V / 0-10V 1) -1mA < I L < 1mA analogue outputs for Td, Tf, Wv 4-20mA / 0-20mA R L < 500 Ohm 1) EE371-Sx Alarm output 2 potential-free relays (NC) 30V DC 0.6A / 35V AC 0.3A (resistive) General Supply voltage V DC Current consumption at 24V DC voltage output: typ. 40mA / during autocalibration: 100mA current output: typ. 80mA / during autocalibration: 140mA Pressure range bar ( psi) / bar ( psi) System requirements for software WINDOWS 2000 or later; serial interface Serial interface for configuration RS232C Housing / protection class Al Si 9 Cu 3 / IP65 Electrical connection 7-pole industrial plug: DIN VDE 0627 / IEC cable cross-section: mm 2 cable connection: PG 11 Sensor protection stainless steel sintered filter Working temperature range probe: C ( F) electronic: C ( F) with LC display: C ( F) Storage temperature range C ( F) Electromagnetic compatibility according to EN EN ICES-003 ClassB Industrial Environment FCC Part15 ClassB 1) minimum supply voltage 15V DC Dimensions (mm) Connection Diagram 54 (2.1 ) 32 (1.3 ) 28 (1.1 ) 100 (4 ) 48 (1.9 ) 75 (3 ) analogue output 1 V+ 2 GND 3 GND 4 OUT1 5 OUT2 6 NC 7 NC V ma V ma V DC 12 (0.5 ) G1/2 ISO or 1/2 NPT EE371 spanner width: 27 or 24 v1.7 / Modification rights reserved 24 (1 ) 40 (1.6 ) relay output 1 V+ 2 GND 3 NC11 4 NC12 5 NC21 6 NC22 7 not connected V DC

11 Basic Sampling Cell The basic sampling cell offers the possibility to integrate the EE371 into an existing or self-constructed sampling system. Pressure range: bar ( psi) 1 = G 1/2 ISO or 1/2 NPT 2 = G 1/4 ISO or 1/4 NPT 3 = G 1/4 ISO or 1/4 NPT Sampling Cell with Quick Connector The sampling cell is specially developed for use in compressed air lines and has a quick-connector suitable for standard compressed air connections. It allows for the cell to be fitted and removed without interrupting the process. The flow of gas can be adjusted using a bleed screw. Pressure range: bar ( psi) 1 = G 1/2 ISO 2 = Bleed screw 3 = Quick connector Ordering Guide Hardware Configuration Order Example EE371- EE371- Model transmitter T switch S Pressure range up to 20bar E E up to 100bar (1450psi) I I Pressure tight G1/2" male thread HA03 HA03 feedthrough 1/2 NPT thread HA07 HA07 Display without display with display D08 D08 Software Configuration Physical parameters of the outputs/relays Type of output signals Measured value units for T / Td / Tf Scaling of Td/Tf-ouput (in C or F) ppm range Wv Setting of alarm output dew point temperature Td [ C/ F] (C) output/relay 1 select accoriding to Ordering Guide(C,D,P) frost point temperature Tf [ C/ F] (D) output/relay 2 select according to Ordering Guide(C,D,P) volume concentration Wv [ppm] (P) 0-1V 1 0-5V V mA mA 6 metric/si non metric /US E01 E (Td/Tf02) (Td/Tf65) Other Td/Tf-scaling refer select according to (Td/Tf03) to data sheet Scaling of the outputs Ordering Guide (Tdxx / Tfxx) ppm (X01) ppm (X02) other measurment range: select according to ppm (X03) Ordering Guide standard for configuration CC R1: -40 C (-40 F) R2: -35 C (-31 F) H1: 2 C (35.6 F) H2: 2 C (35.6 F) other set points relay 1: relay 2: SP hysteresis 1: hysteresis 2: EE371-TEHA07D08/CD2-Td/Tf03 Model: transmitter Output 1: Td Pressure range: up to 20bar (290psi) Output 2: Tf Pressure tight feedthrough: 1/2 NPT thread Output signal: 0-5V Display: with display Measured value unit: metric Scaling of output: C 120 v1.7 / Modification rights reserved EE371

12 Scope of Supply - EE371 Transmitter according to Ordering Guide - Operation Manual - Inspection certificate according to DIN EN Accessories - Sampling cell with quick connector (HA050102) - Basic sampling cell ISO (HA050103) - Basic sampling cell NPT (HA050105) - Display (D08) - Stainless steel sintered filter (HA010103) - Product configuration adapter see data sheet EE-PCA - Product configuration software EE-PCS (free download: EE371 v1.7 / Modification rights reserved 121