This carbon monoxide detector can detect carbon monoxide concentration， observing concentration value all the time. It is specially used for indicating Carbon monoxide or CO gas leakage with high sensitivity and reliable catalytic sensor.It is widely used in petroleum， chemistry， coal mine， metallurgy， paper making， fire- fighting， municipal administration， telecommunication， food， textile  and other industries.

Features:
Large LCD backlight digital and character display for easier reading.
Max hold， data hold and auto power off.
Suitable for home industrial and other environments. 
Above 200ppm.the beeper sounds continuously.
Check dangerous CO levels.
Identify malfunctioning equipment.

Specifications:
Main Color: Black
Detected Gas: CO in the air
Measuring Range: 0~1000ppm
Resolution: 1ppm
Accuracy: ±15% or ±10PPM
Response Time: <2 seconds
Sensor Type: CO2LU
Operating Temperature: 0~50 °C(32~122 °F)
Operating Humidity: 0-90% relative humidity (non-condensing)
Storage Temperature: -30~60 °C(-22~140 °F)
Power: 1 * 9V battery or NEDA 1604A or IEC 6LR61(NOT included)
Auto Power off: Automatically shut down after 15 minutes of inactivity
Item Size: Approx. 16.5 * 6 * 4cm / 6.5 * 2.4 * 1.6in
Item Weight: Approx. 189.7g / 6.7oz (With cover)
Package Size: Approx. 23.5 * 13.4 * 6cm / 9.3 * 5.3 * 2.4in
Package Weight: Approx. 260g / 9.2oz

Package List:
1 * Carbon Monoxide Detector
1 * User Manual 
1 * Protection Bag