The Testo 317-3 meter is ideal for carbon monoxide level testing in ambient air.
- Range 0 to 1999ppm x 1ppm resolution
- Accuracy ±3ppm (0 to 29ppm), ±10% of value (30 to 1999ppm), both ± 1 digit
- Adjustable alarm levels with audio-visual beep alarm, with frequency rising to continuous sound at 200ppm (danger level)
- No zeroing required
- Easy-to-read, backlit display
- Battery life up to 150 hours
Supplied with belt clip, lanyard and 2 x 1.5V AAA batteries. Overall 215 x 68 x 47mm, L x W x D. Weight 100g.