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DM-601-H₂ Hydrogen Sensor

Brand: Detcon Inc

Detcon Model DM-601IS-H₂ sensor is designed to detect and monitor H₂ in air over the range 0-100% LEL. 

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.

1 - 2 of 2 Part Numbers
966-050580-04P
966-050580-04P
  • Junction Box - Aluminum
966-05058B-04P
966-05058B-04P
  • Junction Box - Stainless Steel
1 - 2 of 2 Part Numbers

Specifications

Brand

Approvals & Certifications

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

Communication

  • RS-485 Modbus

Consumption

  • 2.9 W at 24 Vdc

Display

  • Backlit LCD Display

Electrical Connectors

  • Junction Box

Enclosure, Body Material

  • ABS Plastic
  • Intrinsically Safe Stainless Steel Assembly

Environmental Protection

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

Humidity

  • 5 to 95% Relative Humidity, Non-Condensing

Indication

  • LED Indicators for Fault & Cal Status

Input

  • 22.5-28 Vdc

Materials of Construction

  • Aluminum Junction Box
  • Stainless Steel Junction Box

Measuring Range

  • 0 to 100% Lower Explosive Limit (LEL) - Hydrogen

NPT Connection

  • ¾” NPT Female

Operating Temperature

  • -40° to 40° C (-40° to 104° F)

Output

  • 4-20 mA DC

Relay Output

  • 3 Relays (Alarm 1, 2, Fault, Contacts 5 A)

Repeatability

  • ± 2% of Full Scale

Response Time

  • T90 < 60 seconds

Sensor, Probe Type

  • Electrochemical Fuel Cell

Span Effect

  • < 2% Signal Loss Per Month

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