Testo 317-3 CO Leak Detection Monitor

CO Monitor set, includes leather pouch, headphones, hand strap and battery

• Visual and audible alarm
• Adjustable alarm threshold
• CO zeroing on site
• Instrument can be used
immediately (no zero phase required)

Technical Data
Measuring range - 0 to +1,999 ppm CO
Accuracy - ± 10 ppm (0 to +99 ppm) ± 10% (+100 to +499 ppm)
Resolution - 1 ppm