Digital carbon monoxide meter UNI-T UT337A with the ability to measure from 0 to 1000ppm. Ideal for use in homes, restaurants, indoor parking, heating installations, and offices.

• Self-calibrated sensor
• Data retention
• Backlit display
• Automatic power off
• Simultaneous display of current & maximum CO concentration
• Calibration function & adjustable zero point for temperature compensation
• Visual & audible alert
• Option to select °C/°F

Technical specifications:

• CO Measure Range: 0~1000ppm
• Accuracy: +/-5% or 5ppm
• Resolution: 1ppm
• Response Time: <60s (90% of reading)
• Sensor Type: Electrochemical Gas Sensor (CO)
• Sampling Method: Diffusion
• Max Hold: Yes
• Alert Value Setup: Yes
• Audiable Alert: Yes
• Virtual Alert: Yes
• Temperature Display: Yes
• Sensor Self-Test: Yes
• User Calibration: Yes
• Display Backlight: Yes
• Low Battery Indication: Yes
• Auto Power Off: Yes
• LCD Size: 26.5 x 35.5mm
• Power: 4x AAA batteries (included)
• Product Net Weight: 140g
• Product Size: 197 x 54.8 x 33.8mm