Air Quality Meter Accessories

testo 445 Service Device Multi-functional measurement technology for recording temperature, relative humidity, dew point, absolute humidity, humidity level, enthalpy, all types of current measurement, pressure and indoor air quality Automatic mean calculation and volume current determination Automatic assignment of channel cross-section for measurement Internal measurement memory Filter change monitoring using differential pressure measurement Monitor indoor air quality with CO 2 probe Supplied with Top Safe, batteries and instruction manual Temperature measurement Measurement range: -200 °C → +1350 °C Resolution: 0.1 °C Accuracy: ±0.3°C or 0.5% v.M. (at 22°C) Humidity testing Measurement range: 0 → 100% RH Resolution: 0.1% RH Measurement range: -50 °C → +180 °C Flow measurement - Thermal probes Measurement range: 0 → 20 m/s Resolution: 0.01 m/s (0 → 10 m/s) 0.1 m/s (remaining range - Impellers Measurement range: 0 → 60 m/s Resolution: 0.01 m/s CO measurement Measurement range: 0 → 500 ppm Operating temperature: 0 °C → +50 °C Transport temperature: -20 °C → +70 °C Battery life: 6 → 45 hrs (depending on probe)