DM-502-NH₃ Ammonia Sensor

Manufacturer: Teledyne| Detcon
Detcon Ammonia Sensor, DM-502-NH3
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DM-502-NH₃ Ammonia Sensor

Manufacturer: Teledyne| Detcon
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Detcon Model DM-502IS-NH₃ sensor is designed to detect and continuously monitor NH₃ in air over the range 0-100 ppm. 

The sensor assembly consists of an electrochemical fuel cell mounted in an Intrinsically Safe stainless steel and ABS plastic housing that includes a splashguard with integral cal port, a signal conditioning control transmitter circuit, a base connector board and an explosion proof junction box. 

The Intrinsically Safe sensor housing design allows direct contact of the target gas to the electrochemical sensor, thus maximizing response time, detectability and repeatability. 

And because the Intrinsically Safe housing design does not use a stainless steel flame arrestor, it eliminates inaccurate readings due to target gas absorption.

Specifications

Manufacturer

Approvals & Certifications

  • CSA Class I, Div. 1, Groups B, C, D
  • ISO 9001: 2008
  • NRTL
  • UL Class I, Div. 1, Groups B, C, D

Consumption

  • 1.6 W at 24 Vdc

Display

  • Backlit LCD Display

Electrical Connectors

  • Junction Box

Enclosure, Body Material

  • ABS
  • Stainless Steel

Environmental Protection

  • Explosion-proof
  • Intrinsically Safe
  • IP66
  • NEMA 4X

Humidity

  • 15 to 90 % Relative Humidity, Non-Condensing

Indication

  • LED Indicators for Fault & Cal Status

Input

  • 11.5-28 Vdc

Materials of Construction

  • Aluminum - Junction Box
  • Stainless Steel - Junction Box

Measuring Range

  • 0 to 100 ppm Ammonia

NPT Connection

  • ¾” NPT Female

Operating Temperature

  • -40° to 50° C (-40° to 122° F)

Output

  • 4-20 mA DC

Repeatability

  • ± 2% of Full Scale

Response Time

  • T90 < 90 seconds

Sensor, Probe Type

  • Electrochemical Fuel Cell

Span Effect

  • < 2 % Signal Loss Per Month

Documentation

Data Sheets

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