testo 425 Hot wire anemometer

testo 425 Hot wire anemometer

The testo 425 hot wire anemometer provides incredible accuracy and is easy to use. The telescoping handle of this CFM meter extends to 33 inches, putting even high-up ductwork within reach. The testo 425 anemometer is ideally suited for low flow and velocity applications, and provides accurate, fast, and easy readings.

– Telescoping hot wire probe
– Measures velocity, volume flow (CFM), and temperature
– Timed and multi-point average flow calculations
– Min/Max/Average values make comparisons fast and easy
– Compact thermal sensor is ideal for in-duct readings
– Measures air velocity from 0 to 4000 FPM
– Bright backlit display provides easy viewing in any environment
– Auto-off function saves battery life

Specification:
Temperature – NTC:
– Measuring range: -4° to 158 °F / -20 to +70 °C
– Accuracy: ±0.5 °C (0 ~ +60 °C) ±0.7 °C (Remaining Range)
– Resolution: 0.1 °C

Velocity – Thermal anemometer:
– Measuring range: 0 ~ +20 m/s
– Accuracy: ±(0.03 m/s + 5 %測量值)
– Resolution: 0.01 m/s

– Operating temperature: -20 ~ +50 °C
– Battery type: 9V電池
– Battery life: 20小時
– Dimensions: 182 x 64 x 40 mm
– Weight: 285 g

Delivery Scope
testo 425 thermal anemometer with permanently attached flow probe including temperature measurement and telescope (max. 820 mm), calibration protocol, and battery