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IR-522 Combustible Gas Sensor

Brand: Detcon Inc

Detcon Model IR-522 sensors are non-intrusive “Smart” sensors designed to detect and monitor Combustible Hydrocarbons over the range of 0-100% LEL (lower explosive limit). 

The sensor assembly consists of a miniature infrared optical sensor in a stainless steel housing that includes a splashguard with integral cal port, a plug-in control transmitter circuit, a base connector board and an explosion proof enclosure.
Features
  • Simple Menu Driven Calibration - Takes Less Than 3 Minutes
  • Unique Miniature Field-replaceable Optical Sensor
  • Plug-in Field-replaceable Transmitter
  • Low Power Consumption
  • 5-year Expected Sensor Life

1 - 2 of 2 Part Numbers
965-225420-100
965-225420-100
  • Junction Box - Aluminum
965-22542B-100
965-22542B-100
  • Junction Box - 316 Stainless Steel
1 - 2 of 2 Part Numbers

Specifications

Brand

Accuracy

  • ± 3 % of Full Scale - for 0 to 50 % LEL
  • ± 5 % of Full Scale - for 50 to 100 % Lower Explosive Limit (LEL)

Approvals & Certifications

  • CSA Class I, Div. 1, Groups B, C, D
  • NRTL
  • UL Class I, Div. 1, Groups B, C, D

Consumption

  • < 2 W at 24 Vdc

Display

  • Backlit LCD Display

Electrical Connectors

  • Junction Box

Enclosure, Body Material

  • Stainless Steel

Environmental Protection

  • Explosion-proof Class I, Div. 1, Groups B, C, D
  • IP66
  • NEMA 4X

Humidity

  • 0 to 99 % Relative Humidity, Non-Condensing

Indication

  • LED Indicators for Fault & Cal Status

Input

  • 11.5-28 Vdc

Materials of Construction

  • 316 Stainless Steel - Junction Box
  • Aluminum - Junction Box

Measuring Range

  • 0 to 100 % Lower Explosive Limit (LEL)

NPT Connection

  • 3/4” NPT Female

Operating Temperature

  • -40° to 75° C (-40° to 167° F)

Output

  • Linear 4-20 mA DC

Repeatability

  • ± 3 % of Full Scale - for 0 to 50 % LEL
  • ± 5 % of Full Scale - for 50 to 100 % Lower Explosive Limit (LEL)

Response Time

  • T90 < 30 seconds

Sensor, Probe Type

  • Non-Dispersive Infrared Optical (NDIR)

Zero Offset

  • < 5 % Per Year - Zero Drift

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