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Sensors 4..20mA

Probes who send through a transmittor a 4..20mA signal can be connected to the ELPRO dataloggers. Elpro has the Hotbox-SE that can read these signals, transmit them into the value of the parameter of the sensor en stock the value into its internal memory. The ECOLOG-NET LA8 is a datalogger used for monitoring purposes that can connect to 8 4..20mA transmittoren.

These probes, transmittors, make it possible to read and log parameters such as temperature, humidity, pressure, differential pressure, light, air velocity, current, CO, CO2, O2, N2, etc... into the memory of dataloggers or connect them to monitoring systemen.

Some exemples are :

transmitter_3310.jpg

  • Temperature/Humidity transmitter EE21 3310-T02
  • For wallmounting, range 0..100%, -40°C..60°C
  • Supply 20-35V DC, length sensor = 50mm
  • With 4-pole connector for extension cable 3206-Lxx
  • Accuracy humidity: +/-2% (0..90%rH), +/-3% (90..100%rH)
  • Accuracy temperature : PT1000 tolerance class A
  • With snap-in plate and calibration confirmation

 

transmitter_3315.jpg

  • Temperature/Humidity transmitter EE21 3315-T02
  • For duct mounting, range 0..100%, -40°C..60°C
  • Supply 20-35V DC, sensor length = 200mm
  • With 4-pole connector to extension cable 3206-Lxx
  • Accuracy humidity: +/-2% (0..90%rH), +/-3% (90..100%rH)
  • Accuracy temperature : PT1000 tolerance class A
  • Special calibration for high humidity (>90%rH)
  • With snap-in plate and calibration confirmation

 

 transmitter_3350A_3167_SL02.jpg

 

  • Transmitter PT100 4-wire to 4..20mA  3350-A
  • Connector/socket M12
  • Range programmable from -200°C..+600°C
  • Environment temperature -40°C..+85°C
  • With mounting clip
  • Standard programming : 0..150°C

 

  

transmitter_3257.jpg

 

  • Differential pressure in clean rooms 3257-C
  • Differential pressure -50..+50Pa, 4..20mA
  • Further ranges on request

 

 

  transmitter_3263.jpg

  • Waterdepth recording + compensation  3263-C
  • Level probe D=0..10 meters, 4..20mA
  • Range from 0..2.5m to 0..250meters available

 

transmitter_3264b.jpg

  • Air speed 3264-B and 3264-F
  • Air speed sensor 0.3..20m/s (3264-B)
  • Air speed sensor, omni-directional 0.01..1m/s (3264-F)
  • Further ranges on request

 

transmitter_3269.jpg

  • Current transducer with analogue output 3269-400
  • Input switchable 200, 300, 400A AC
  • 4..20mA 2-wire, supply 15-24VDC
  • For cable diameters to 18mm, with 2m cable

 

  

transmitter_3271.jpg

  • Air quality in auditoriums : CO2 recording
  • CO2 transmitter 0..2000ppm, 0..10V/4..20mA (3271-F)
  • CO2 transmitter 0..2000ppm, for air channel mounting (3271-G)

 

 

transmitter_3272.jpg

 

  • Harmful gases : CO recording 3272-A
  • CO gas transmitter 0..300ppm, 4..20mA
  • You can request suitable sensors for high concentrations and other gases such as O2, N2, enz..

 

  

transmitter_3280.jpg

  • Stainless steel pressure sensoren
  • Pressure sensor -1..9 bar size G 1/4" (3280-A)
  • Pressure sensor -1..3 bar size G 1/4" (3280-C)
  • Pressure sensor -1..49 bar size G 1/4" (3280-D)
  • Pressure sensor 0..1 bar, rel, size G 1/4" (3280-E)
  • Pressure sensor 0..2.5 bar,rel, size G 1/2" (3280-F)
  • Pressure sensor 0.8..1.2 bar abs. barometric (3255-A)
  • Pressure sensor from 0..0.1 to 0..4000 bar on request 

 

 

 

Products

Barometric pressure transmitter WIKA 0.8 .. 1.2 bar abs., accuracy 0.5%, type S 10 G 1/2B, supply 10..30VDC, output 4..20mA, connection cable L= 1.5m, open ends , without mounting and test
Differential pressure module 0..50 Pa, 4..20mA output, metal casing, without display, Linearity +/- 0.5% FS, Accuracy 4% FS/Year, without hoses, incl calibration certificate
Differential pressure module, high prec. -100..+100 Pa, cleanroom approved
Differential pressure module, high prec. -20..+20 Pa, cleanroom approved
Differential pressure module, high prec. -20..+20 Pa, cleanroom approved, with display
Hose set for differential pressure L=10m 08 x 1.5mm for transmitter 3259-xx only
Hose set for differential pressure L=10m for transmitter 3260-xx only
Differential pressure transmitter, 0..1000 Pa, type 694, 100x80x50mm, no display, output 4..20mA, cable length 1m, hose set F2, without power supply for Hotbox SE
Differential pressure transmitter -100..+100Pa or -50..+50Pa switchable by customer, without display,output 4-20mA, supply 24VDC, cable length 2m, accuracy of measurement +/- 1.5 Pa,temperature drift <0.8 Pa/K,medium: air and non agressive gases, 0..50°C, with connection hose L=2 meters, without calibration certificate
Water level transmitter WIKA, D=27mm, range 0..10 meter, cable L=10m, compensation of atmosphere pressure, supply 10..30VDCOutput 4-20mA
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