Wö hler CM 220 CO Meter

CO Ambient Air Measurement
The Wö hler CM 220 is perfect for the measurement of CO in the ambient air and the control of gas leakages on fire places.
It is also able to determine the MAK-Value.

Technical Data
Measuring Instruments 0 - 999 ppm
Accuracy: + / - 20% at 0 - 100 ppm
+ / - 15% at 100 - 500 ppm
( at 20+ / -5° C, 50+ / -20% RH)
Resolution: 1 ppm
Power supply: 3 pieces AAA
Response time: within 60 seconds
Operating humidity: 5 - 99% RH ( no condensation)
Storage condition: -20 - 60° C
Operation temperature: 0 - 90° C
Size: 175 x 47 x 28 mm