Digital Co2 Monitor CO-10

Measurement Range: 0 - 2000 ppm (adjustable to 5,000 ppm); Accuracy at 25 °c against certified factory references: <± [ 40 ppm c02± 3% of reading]; Non-linearity: <1.0% fs; temperature dependence of output: 0.15% fs/ °c; Long-term stability: < <5.0% fs/5 years; operation temperature range: 5 - +45 °c; Humidity range: 0-85% rh; Output signals for co, Relay hi / lo alarm; Power Supply: nominal 230vac; power consumption : <30w; Warm-up time : 1minute 30 minutes;