Testo 317-3 - CO Monitor

Incl. carrying case with belt clip, headphones, wrist strap, sampler and calibration protocol
Part number: 0632 3173
Manufacturer: Testo
£129.00 (ex VAT)

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


±3 ppm (0 to +29 ppm)

±10 ppm (0 to +99 ppm)

±10 % (+100 to +1999 ppm)


1 ppm

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