Technical documents
Specifications
Brand
TestoModel Number p
440 Hot Wire Kit
Measurement Parameters
Air Velocity, Temperature, Volume Flow
Model Number (p)
440 Hot Wire Kit
Maximum Air Velocity
30m/s
Best Air Velocity Accuracy
±5 % + 0.5 m/s (0 → 20 m/s)
Air Velocity Resolution
0.01m/s
Probe Type
Hot Wire, NTC, TC
Maximum Temperature
+1370 (Temperature-TC) °C, +150 (Temperature-NTC) °C
Temperature Measurement Resolution
0.1°C
Best Temperature Measurement Accuracy
±0.3 (-25 → +74.9 °C) °C, ±0.4 (+75 → +99.9 °C) °C, ±0.4 (-40 → -25.1 °C) °C, ±0.5 %
Power Source
Battery
Battery Type
AA
Battery Life
12 h
Dimensions
154 x 65 x 32mm
Weight
1.4kg
Height
32mm
Maximum Operating Temperature
+50°C
Width
65mm
Length
154mm
Minimum Operating Temperature
-20°C
Country of Origin
Germany
P.O.A.
1
P.O.A.
1
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Technical documents
Specifications
Brand
TestoModel Number p
440 Hot Wire Kit
Measurement Parameters
Air Velocity, Temperature, Volume Flow
Model Number (p)
440 Hot Wire Kit
Maximum Air Velocity
30m/s
Best Air Velocity Accuracy
±5 % + 0.5 m/s (0 → 20 m/s)
Air Velocity Resolution
0.01m/s
Probe Type
Hot Wire, NTC, TC
Maximum Temperature
+1370 (Temperature-TC) °C, +150 (Temperature-NTC) °C
Temperature Measurement Resolution
0.1°C
Best Temperature Measurement Accuracy
±0.3 (-25 → +74.9 °C) °C, ±0.4 (+75 → +99.9 °C) °C, ±0.4 (-40 → -25.1 °C) °C, ±0.5 %
Power Source
Battery
Battery Type
AA
Battery Life
12 h
Dimensions
154 x 65 x 32mm
Weight
1.4kg
Height
32mm
Maximum Operating Temperature
+50°C
Width
65mm
Length
154mm
Minimum Operating Temperature
-20°C
Country of Origin
Germany