Designed for industrial and commercial applications, the Sensorcon INDUSTRIAL PRO displays carbon monoxide (CO) gas concentrations as low as 1 ppm and features visual, audible and vibrating alerts, user-adjustable alerts lev...

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Designed for industrial and commercial applications, the Sensorcon INDUSTRIAL PRO displays carbon monoxide (CO) gas concentrations as low as 1 ppm and features visual, audible and vibrating alerts, user-adjustable alerts levels from 1 ppm, and Intrinsically Safe certification. An easy to read LCD displays CO up to 1,999 ppm in 1 ppm increments with +/- 2% accuracy. Use as a personal monitor, ambient air monitor, or to inspect combustion equipment using the optional pump and probe. Unlike other similarly priced CO monitors, Sensorcon units are designed for long-term ownership. Replacement battery and calibration services are available. Manufacturer warranty is one year.


All Sensorcon units are low-level monitors which display carbon monoxide levels as low as 1 ppm. This particular model allows the user to set low and high level alert limits, and includes a 24-hour TWA (time weighted average) memory feature.

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  • Professional-Grade CO Detection: Equipped with advanced electrochemical sensor and proprietary embedded software, this portable carbon monoxide sensor (INS-CO-03) delivers accurate, reliable readings of CO concentrations in parts per million (ppm).
  • Triple Alerts for Safety: With a 24-hour TWA and adjustable alarm levels, this portable CO detector lets you set alarm points from 1 ppm to 500 ppm, triggering visual LED indicators, 80–85 dB audible alerts, and vibrating alarms at key thresholds.
  • Intrinsically Safe Build: Designed to ensure reliable performance in potentially explosive environments, this handheld carbon monoxide detector features a shock-resistant & IP67-rated water-resistant housing to withstand harsh & hazardous conditions.
  • Hands-Free Operation: Lightweight and compact, this carbon monoxide monitor includes a rugged steel clip and lanyard loop that allow for hands-free attachment to your gear — ideal for home inspectors, firefighters, EMTs, and other professionals.
  • Long Battery Life: Built for long-term use with minimal maintenance, this portable CO monitor offers up to two years of battery life. The CO alarm features an intuitive interface with a large, clear LCD that displays CO readings from 1 to 1,999 ppm.

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