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Closed Path Infrared Transmitters

IR-29 Closed Path Infrared Transmitters

  • Multi wavelength, dual path for long-term stability and accuracy
  • External gas measuring path for fast and accurate response
  • Possibility of long measuring path for low measurement range (target: 0.1% LEL CH4)
  • Optional "multigas calibration" for improved broad range characteristics
Four wavelength NDIR combustible gas sensors

IR-29 Closed Path Infrared Transmitters

  • Pressure sensor
  • Housing material: stainless steel V4A
  • Accessories: sample flow housing,weather protection
  • Display, RC2, IR-remote control, memory card
  • Optical and acoustic alarm
Path Infrared Transmitters

IR-29 Closed Path Infrared Transmitters

  • Interface: ModBus, 4 -20 mA, relay
  • 250V AC: 2 relays: 1-normally closed (NC), 1-normally open (NO) 8 terminals relays or ModBus
  • 45V DC: 3 relays: 1-normally closed (NC), 2-normally open (NO) 14 terminals
Path Infrared Transmitters

Accessory "gasfree calibration"

Cuvette with an integrated EPROM for a gasfree calibration.

  • Gas cell is sealed after filling with a known concentration of gas.
  • A cable connects the gas cell EPROM to the transmitter via the RC2 interface.
  • The gas cell EPROM then communicates with the transmitter.
  • Measurement values are matched to the values stored on the EPROM.
  • The transmitter will be automatically calibrated. No need for gas cylinders!
Path Infrared Transmitters
Path Infrared Transmitters
  • "One-man-calibration