DM-500 Series Gas Sensor

Manufacturer: Teledyne| Detcon
Detcon Sulfur Dioxide Sensor, DM-500-SO2
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DM-500 Series Gas Sensor

Manufacturer: Teledyne| Detcon
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Detcon Model DM-500 Series Sensor is designed to detect and monitor gases 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 Approved: Class I, Div. 1, Groups B, C, D
  • ISO 9001: 2008
  • NRTL
  • UL Approved: 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 Plastic Housing
  • Intrinsically Safe Stainless Steel Assembly

Environmental Protection

  • Electrical Classification: Explosion-proof
  • IP66
  • NEMA 4X

Humidity

  • 5 to 95 % RH, 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 1 ppm: Ozone, Hydrazine. Fluorine, Arsine
  • 0 to 2 ppm: Germane
  • 0 to 5 ppm: Phosphine, Bromine, Diborane
  • 0 to 10 ppm: Nitrogen Dioxide, Hydrogen Fluoride, Chlorine
  • 0 to 20 ppm: Sulfur Dioxide
  • 0 to 30 ppm: Hydrogen Cyanide, Hydrogen Chloride, Hydrogen Bromide
  • 0 to 50 ppm: Silane, Chlorine Dioxide
  • 0 to 100 ppm: Nitric Oxide, Hydrogen Sulfide, Hydrogen, Carbon Monoxide, Methyl Mercaptan, Methanol, Formaldehyde, Butadiene, Ethyl Mercaptan, Ethylene Oxide, Ethylene, Acetylene

NPT Connection

  • 3/4" NPT Female

Operating Temperature

  • -40° to 50° C (-40° to 122° F)

Output

  • 4-20 mA DC (Linear)

Repeatability

  • ± 2 % of Full Scale

Response Time

  • T90 ≤ 10 - 140 seconds

Sensor, Probe Type

  • Electrochemical Fuel Cell

Span Effect

  • < 1 % Signal Loss Per Month
  • < 2 % Signal Loss Per Month
  • < 3 % Signal Loss Per Month - Span Drift
  • < 5 % Signal Loss Per Month - Span Drift
  • < 10 % Signal Loss Per Month
  • < 5 % Signal Loss Per Year

Documentation

Data Sheets

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