Delta OHM HD37AB1347, Руководство пользователя

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10.1.3 Hot-Wire Wind Speed measurement probes with SICRAM module:
AP471S1 – AP471S2 –
AP471S3 – AP471S4
AP471 S1 - AP471 S3 AP471 S2 AP471 S4
Type of measurements Wind speed, calculated flow rate, air temperature
Type of sensor
Speed NTC thermistor Omni directional NTC thermistor
Temperature NTC thermistor NTC thermistor
Measurement range
Speed 0.1 … 40m/s 0.1 … 5m/s
Temperature -25 … +80°C -25 … +80°C 0…80°C
Measurement resolution
Speed
0.01 m/s
0.1 km/h
1 ft/min
0.1 mph
0.1 knot
Temperature 0.1°C
Measurement accuracy
Speed ±0.1 m/s (0…0.99 m/s) ±0.05m/s (0…0.99 m/s)
±0.3 m/s (1.00…9.99 m/s) ±0.15m/s (1.00…5.00 m/s)
±0.8 m/s (10.00…40.0 m/s)
Temperature ±0.8°C (-10…+80°C) ±0.8°C (-10…+80°C)
Minimum speed 0.1 m/s
Air temperature compensation 0…80°C
Sensor working conditions Clean air, RH<80 %
Battery life
Approx. 20 hours @ 20 m/s
with alkaline batteries
Approx. 30 hours @ 5 m/s
with alkaline batteries
Unit of measurement
Speed m/s – km/h – ft/min – mph – knot
Flow Rate l/s - m
3
/s - m
3
/min - m
3
/h - ft
3
/s - ft
3
/min
Pipeline section for flow rate
calculation
0.0001…1.9999 m
2
Cable length ~2m