UT337A CO Meter



UNI-T’s UT337A Carbon Monoxide Meter provides 0~1000ppm testing range, audible & visual alert value settings, LCD backlight and more.

UT337A is a portable meter for detecting carbon monoxide gas. It can measure a wide range of CO concentration with short response time. Users can set up both audio and visual alarm. UT337A can be used in homes, restaurants, indoor parking lots, heating facilities, office buildings, and any other locations where combustion takes place.


1. Self-calibrated sensor

2. Data hold

3. LCD backlight

4. Auto power off

5. Display current CO concentration and Max concentration at the same time

6. Calibration function, adjustable zero point for temperature compensation

7. High/low audio and visual alarm

8. ℃/℉ selectable

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