Features:
It can detect the existence of carbon monoxide (CO) and inspect its thickness This product can be used in industries such as mining? metallurgy? petrochemical? pharmaceutical? waste water treatment? papermaking and infrastructure construction? etc. Intellectualized design and multiple functions; Highlight backlight display and acousto-optic alarming? easily configured;Low power symbol display; Ergonomical case design? beautiful outlook? nice operating feeling and easy to carry.

Specifications:
Measurement display: displays with 4 digit LCD
Operation temperature: -10~50? (14~122°F)
Storing temperature: 0~40°C(32~104°F)
Operation humidity: 0~99%RH (relative humidity)
Storing humidity: 20%~80% RH (relative humidity)
Measuring range: 0~1000PPM
Resolution: 1PPM
Measurement tolerance: ±5%
Over measurement range display: --OL--
Alarming method: acousto-optic alarming
Working principle of the sensor: electrochemistry sensor
The service life of the sensor: 2 years (it can be then replaced)
Power supply: 3 * 1.5V AAA alkaline batteries (not included)
Battery service life: about 100 hours of continuous use (when the backlight is off).
Dimension: 172 * 51 * 26 (mm)
Package Size: 26 * 17 * 6cm / 10 * 7 * 2.3in
Package Weight: 488g / 1.1lb

Package List:
1 * SINPO SPD200/CO 1~1000PPM Carbon Monoxide (CO) Detector / Toxic and Harmful Gas Alarm Detector
1 * Carrying Bag
1 * English Manual