Testo 317-3 CO Monitor
 
The testo 317-3 CO monitor detects the presence of carbon monoxide in the surrounding area and warns the user both visually and audibly about dangerous gas concentrations e.g. when installing and servicing gas heaters.
 
 
3 year warranty on CO sensor
 
Visual and audible alarm
 
No zero phase, instrument can be used immediately
 
Adjustable alarm threshold
 
CO zeroing at site
 
Self-test function
 
 
 
 
 
Probe - CO
 
 
 
Meas. Range
 
0 to +1999 ppm
 
 
 
Accuracy
 
 
±3 ppm (0 to +29 ppm)
 
±10 ppm (0 to +99 ppm)
 
±10 % (+100 to +1999 ppm) 
 
 
 
Resolution
 
1 ppm
 
 
 
 
Includes carrying case with belt clip, headphones, wrist strap, sampler and calibration protocol.