TESTO CO meter testo 317-3 TESTO-317-3 1 piece

Catalog number: TESTO-317-3 Features: ●No adjustment time required, ready to use immediately after powering on. ●Alarm value can be set. ●No need for CO zero point adjustment on-site. ●Used to check for incomplete combustion in burners and gas water heaters. Applications: ●Detection target: Carbon monoxide (CO). ●For inspection of gas and heating systems. ●For warning of CO poisoning. Specifications: ● Target gas: Carbon monoxide (CO) ● Width (mm): 30 ● Depth (mm): 20 ● Height (mm): 130 ● Measurement range (ppm): 0 to 1999 ● Resolution (ppm): 1 ● Continuous use time (h): 150 hours ● Measurement accuracy: ±10ppm (0 to +99ppm), ±10% (+100 to +499ppm), ±20% (+500ppm or more) ● Power supply (V): 2 AAA batteries (included) ● Detection method: Constant potential electrolysis method ● Explosion-proof structure: Non-explosion-proof ● Gas sampling method: Contact type Set contents/accessories: ● Dry batteries ● Soft case ● Strap ● Earphones ● Shipping inspection certificate