E2648-NH3-P

Ammonia Detector
E2648-NH3-P
Features
  • Stable long-life pellistor (catalytic bead) sensor
  • Range 0...15% vol. (0…100% LEL)
  • Resolution 0.1% vol. or 1% LEL
  • Two SPST relays option
  • 2 × 4-20 mA or 0-10 V, RS485
  • Attached or remote sensor
  • Industrial IP66 wall mount housing
Description

Ammonia transmitter E2618-NH3-P is a member of the PluraSens® family of multifunctional measurement instruments.

One of the most common applications is detection of explosive Ammonia concentrations in refrigeration machinery rooms.

The instrument utilizes a fully calibrated and temperature compensated pellistor (catalytic) gas sensor with excellent repeatability, stability and long lifetime.

Two relays with closing contact (optional) may be used for remote signaling or concentration control. Two alarm set-points are user settable.

Two analog outputs and RS485 digital interface with industry standard Modbus RTU protocol can be used to connect the detector to safety or building automation systems.


Technical Data
Calibration Ammonia NH3
Sensor type Pellistor (catalytic bead)
Sampling method Diffusion
Detection range 0...15% vol. (0…100% LEL)
Resolution 0.1% vol. or 1% LEL
Response time T90 ≤10 s
Accuracy ± 2% LEL
Sensor lifetime > 3 years
Power supply 12...36 VDC (default),
24 VAC or 230 VAC as options
Digital interface RS485, Modbus RTU protocol
Analog outputs 2 × 4-20 mA / 0-10 V, user settable
Output relays (option) 2 × SPST relays (closing contact),
250 VAC / 30 VDC, 5 A max
Enclosure Die-cast aluminum, wall mount, IP66
Dimensions H120 × W125 × D57 mm
Operating conditions -20...+60 °C, <95% RH


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