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)