This instrument complies with GB / T18204.23-2000 "carbon monoxide examination method in air of public places" and GB / T9801-88 "air quality determination of carbon monoxide non-dispersive infrared method" of the national standard, in line with GB / T18204.24-2000 "public Carbon dioxide, carbon dioxide, infrared gas analyzer, "the national metrological verification procedures. The instrument's main technical indicators in line with the technical requirements of national secondary instrument, you can obtain the Chinese Metrology Science The Institute of the two test certificate. The instrument built-in zero filter, six-valve switch zero and measurement, easy and flexible.

* Measuring principle: non-spectral infrared gas analysis / non-dispersive infrared (NDIR)

· Sampling method: built-in pump

· Measuring range: 0 ~ 50.0 × 10^-6CO; 0 to 0.500% CO ₂ (Can be customized, the maximum 0 ~ 100.0%)

· Resolution: 0.1 × 10^-6CO; 0.001% CO₂

Linearity: ≤ ± 2% F · S

Repeatability: ≤ 1% F · S

· Zero drift: ≤ ± 2% F · S / 4h

· Span drift: ≤ ± 2% F · S / 4h

Start time: ≤ 30min

· Response time: CO≤30S; CO ₂? 15S

· Extraction flow: ≤1.5L / min

Standard: host, sampler, strap, rechargeable battery, charger, small screwdriver, technical documents, aluminum box

* Power supply: AC and DC, 220VAC or built-in battery

· Overall dimensions: 260mm × 210mm × 90mm

· Weight: ≤3.5kg