Precision 627 Carbon Monoxide (CO) Meter

Range: 0 to 1000PPM
Accuracy: +5% of reading +5PPM
SensorType: Electrochemical (specific to CO)
Long term drift: <5% / year (depending on use)
Display: 3 1/2 digit liquid crystal display (LCD)
Dimensions: 189 x 67 x 35mm
Weight: 200g

Datasheet

Manual