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

Operating temperature

• -5 to +45°C

Battery type

• 2 batteries Type AAA

Battery life

• 150 h
• 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