UEi COA2 Wireless Carbon Monoxide Detector
by UEi Test Instruments
Last updated Mar 29, 2026 · 1 revision
Wireless-enabled portable ambient CO detector with 3-color LED, audible alarm at 35 ppm, and 5-year sensor life for HVAC safety checks.
6.2 - Good Custom · Contact for pricing Mobile App 3 Features
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www.ueitest.com
About This Product
The UEi COA2 is a wireless portable carbon monoxide detector designed for ambient CO safety monitoring during HVAC service calls. Its 3-color LED provides instant visual assessment of CO concentration levels, with an audible alarm triggering at 35 ppm. The CO sensor features a 5-year expected lifespan with 1 ppm accuracy and built-in self-test capability. Compact and belt-clip ready, it is designed for ambient air testing around heating equipment, not for flue gas analysis.
FSH Score Breakdown
Ease of Use 8.0
Features 6.5
Support 6.5
Value 7.5
Integrations 5.0
AI Capabilities 0.5
Customer Reviews
Features
3 features confirmed across
2categories· Showing confirmed capabilities only
Equipment & Asset Management2features
AlertsLow battery indicatorAir Quality MonitoringCO sensor self-test
Hardware Features1feature
Auto ShutoffAuto power off
Pricing
- Model
- Custom
- Starting at
- Contact for pricing
- Notes
- NIST calibration version (COA2-N) priced at $317.28. Standard model approximately $250-270 depending on retailer.
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