ST9700 Handheld 2 in 1 CO Gas Detector Temperature Meter Carbon Monoxide Analyzer Air Quality Monito

Features:

Carbon monoxide gas meter are widely used in science and industry to detect the concentration of carbon monoxide gas.
Continuously monitor the CO gas concentration in the surrounding environment.
Sound alarm works when CO gas concentration reaches the level of the alarm.
High precision portable CO gas tester with compact size and light weight is easy to carry and operate.
Professional and accurate measurement.
Large LCD color display and â„ƒ/℉ switch.
Can set concentration of alarm value.
Auto power off in 10 minutes without any operation.
 
Specifications:

Material: ABS
Color: Red
Sensor Type: Stablized Electrochemical Gas Specific (CO)
Detection Gas: Carbon Monoxide (CO)
Temperature Measurement: Ambient Temperature   
Display Unit: CO: ppm, Temperature: â„ƒ/℉        
Measurement Range: CO: 0～1000PPM, Temperature: 0～50℃ / 32～122℉    
Resolution: CO: 1PPM, Temperature: 0.1℃ / 0.1℉
Accuracy: CO:±5% or ±10PPM, Temperature: ±1.5℃
Response Time: <60s               
Alarm: Sound & Light Alarm 
Alarm Point: 24PPM Preset (Adjustable)         
Battery Type: 3 * AAA 1.5V Alkaline Batteries (NOT Included)
Operating Temperature: 0～40℃, Relative Humidity 1%～99%
Storage Temperature: -30～60℃, Relative Humidity: 1%～99%
Item size: 13.5*5*3.5cm/5.31*1.96*1.37in
Item weight: 115g
Package size: 19.5*7.7*3.5cm/7.67*3.03*1.37in
Package weight: 156g
 
Package includes:

1 * Carbon Monoxide Meter (Battery is NOT included.)
1 * User Manual

Note:
Item color may show sight aberration due to different shooting light and monitor display.

Details pictures: