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Home > Transmitters > Barometric Transmitters > HD103T.0 Air speed transmitter

HD103T.0 Air speed transmitter with hotwire sensor.
Probe with 5m cable. Speed 0 - 5m/s.
Output selectable by a jumper: 0 - 20mA, 4 - 20mA, 0 - 5V, 0 - 10V.
Power supply 24 Vac (230 Vac on request). Working temperature 0 - 80°C.

Airspeed Humidity Transmitter - Velocity Transmitter

Model  Description 
HD103T.0  Active air speed transmitter with hotwire sensor. 5m cable.

The devices HD103T.0 measures air speed by using an all-directional hot-wire probe.
It is provided with three configurable analogue outputs:
4 - 20mA, 0 - 20mA current output and 0 - 10Vdc volt-age output.
The choice of output type is made by means of the jumpers set on the card.
The sensor set on the top of the probe is very delicate and must be protected with the special frame provided with the instrument.

During transportation, the sensor is closed into a cylinder screwed on the end part of the probe:
during installation, unscrew this cylinder and screw the protection frame in its place.

The relation between output range (current and voltage) and input range is fixed: the output minimum and maximum values are associated with the minimum and maximum values of the input variables.

Air speed
Measuring range: 0 - 5m/s
Accuracy :
0.04m/s (0 - 0.99m/s),
0.2m/s (1.00 - 5.00m/s)
Temperature compensation: 0 - +80°C Temperature
Measuring range: -20 - 80°C
Accuracy : ±0.3°C (0 - 70°C), ±0.4°C outside
Outputs (both for temperature and for air speed)
Current output: 4 - 20mA and 0 - 20mA
Voltage output: 0 - 10Vdc (0 - 5Vdc and 0 - 1Vdc on request)
Load resistance: MAX 500Ω for current output, MIN100kΩ for voltage output
Power supply 
24Vac ±10%, 50 - 60Hz
110Vac and 230Vac ±10%, 50 - 60Hz on request