CO Detectors

Fieldpiece SCM4 Carbon Monoxide Detector

Fieldpiece Instruments

6.2 - Good

Fast-response handheld CO detector with dual display showing real-time and MAX readings for combustion safety checks and ambient monitoring.

Sauermann Si-AQ Expert Indoor Air Quality Monitor

Sauermann

6.6 - Good

Configurable multi-gas IAQ monitor with up to 7 sensor slots including CO, CO2, NO2, and H2S for comprehensive indoor air quality assessments.

Testo 315-4 CO Warning Instrument

Testo

6.3 - Good

TUV-certified personal CO warning instrument with 50-hour battery life and printout capability for combustion appliance safety assessments.

Testo 317-3 Ambient CO Meter

Testo

6.1 - Good

Highly sensitive ambient CO detector with adjustable alarms and up to 1,999 ppm measurement range for HVAC gas leak detection and safety.

UEi COA2 Wireless Carbon Monoxide Detector

UEi Test Instruments

6.2 - Good

Wireless-enabled portable ambient CO detector with 3-color LED, audible alarm at 35 ppm, and 5-year sensor life for HVAC safety checks.