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by Fieldpiece Instruments
Last updated Mar 29, 2026 · 2 revisions
Fast-response handheld CO detector with dual display showing real-time and MAX readings for combustion safety checks and ambient monitoring.

The Fieldpiece SCM4 is a handheld carbon monoxide detector with a fast-response three-pin electrochemical sensor measuring 0 to 1,000 ppm CO. The bright blue backlit dual display simultaneously shows real-time and MAX readings, with audio and visual alarms for hazardous conditions. Features include MIN/MAX/HOLD capture, magnetic hanger for hands-free operation, and auto power-off. Designed for furnace start-up CO checks, boiler room monitoring, and ambient air safety assessments.
How this product is delivered and what's included out of the box.
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"If you wish to access, amend, or delete any other Personal Information we hold about you, you may contact us using the contact details at the end of this Policy."
Primary policy document: https://fieldpiece.com/privacy-policy
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