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1) Temperature - NTC
Measuring range: -20 to +70 °C
Accuracy: ±0.5 °C (0 to +60 °C); ±0.7 °C (Remaining Range)
2) Velocity - Vane anemometer
Measuring range: 0 to +20 m/s
Accuracy: ±(0.03 m/s + 5 % of mv)
3) General technical data
Battery type: 9V block battery, 6F22
Battery life: 20 h
Dimension: 182 x 64 x 40 mm
Weight: 285 g
Included: testo 425 thermal anemometer with permanently attached flow probe including temperature measurement and telescope (max. 820 mm), battery.
