IR400 Point IR Gas Detector

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ALTAIR® 4X Multigas Detector

IR400 Point IR Gas Detector

ALTAIR® 4X Multigas Detector

The IR400 Infrared (IR) Point Detector is a hydrocarbon gas detector that continuously monitors combustible gases and vapors within the lower explosive limit (LEL) and provides alarm indication. It features an industry-leading response time of less than 3 seconds, even with a splash guard installed. All electronics are contained within an explosion-proof housing so that the IR400's detector information can be processed locally. Configurations with analog output, Modbus and HART are also available.

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• Industry-leading speed & response: T90 3 seconds even with splash guard installed

• No routine calibration required reducing maintenance costs

• Industry standard 4-20 mA output provides remote alarm and fault indication

• Multiple communication outputs provide complete status and control capability in the control room

• Heated optics eliminate condensation

• Dirty optics indication discriminates between true fault and cleaning requirements

• Fast calibration times reduce amount of cal gas required which lowers maintenance time and costs

Approvals subject to change without notice and may differ based on configuration, part number and/or country. Contact Customer Service or check approval label on product for specific approval information.


• Canada (FM-Haz Loc)

• EU (ATEX)

• EU (MED)

• India (PESO)

• International (HART)

• International (IECEx)

• International (SIL)

• International (Type Approval)

• United Kingdom (UKEX)

• US (FM-Haz Loc)

• US/Canada (CSA-Haz Loc)