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Thies First Class Advanced Anemometer: 4.3351.00.000- Heated

Make:  Thies Clima    Model:  4.3351.00.000
✅ The wind transmitter is designed for the acquisition of the horizontal component of the wind speed in the field of meteorology and environmental measuring technology.(With heating option  (24V AC/DC, 25W))
✅ Measurand : Wind Speed.
✅ Sensor Type : Cup Anemometer
✅ Signal Output : Frequency (1082Hz @ 50m/s)
✅ Supplied With : Terminal plug, Instruction for Use, Factory test/ Calibration Certificates.

The Anemometer is designed for the acquisition of the horizontal component of the wind velocity in the field of meteorology and environmental measuring technology, evaluation of location, and measurement of capacity characteristics of wind power systems. The Anemometer meets all requirements of IEC 61400-12-1 (2005-12) for an instrument of the accuracy class 0.5.

Special characters are a defined and optimised, dynamic behaviour also at high turbulence intensity, minimal over-speeding, and a low starting value. The measuring value is available at the output as digital signal. It can be transmitted to display instruments, recording instruments, data loggers as well as to process control systems.

For winter operation it is equipped with an electronically regulated heating, which guarantees a smooth running of the ball bearings, and prevents the shaft and slot from icing-up.


Thies Clima



Weight (Mass)

approx. 0.5kg


290 x 240 mm


Form : rectangle, edge steepness < 1μsec
Frequency : 1082Hz @ 50m/s
Amplitude : is supply voltage, max. 15V
Push-Pull Output : output resistance: typical 100Ω ≥ 10V, 130Ω @ 5V, 230Ω @ 3.3V, Constant power limiting on typical 25mA
Load : R ≥ 1kΩ, C ≤ 200nF (corresp. to length typical cable < 1km)

Power Supply

Electrical supply for opto-electronic scanning :
Voltage: 3.3…48V DC (galvanic isolation from housing)
Current: 130μA typ. 150μA max. @ 3,3V bis 15,0V (w/o external load) , 180μA typ. 200μA max. @ 15V bis 48V (w/o external load)
Electrical supply for heating :
Voltage : 24V AC/DC +- 20%, 45…65 Hz (galvanic isolation from housing)
Idling voltage : max. 32V AC and max. 48V DC
Capacity : 25W

Operating Environment

Permissible Ambient conditions : – 50…+ 80°C, all occurring situations of relative humidity (incl. dew moistening)

Protection Level

IP 55 (DIN 40050)

Standerd / Regulation

IEC 61400-12-1 (2005-12), ISO 17713-1, Measnet

Mast Diameter

Mounting on mast :
Outer diameter : ≤ 34mm
Inner diameter : ≥ 22mm
Note: mounting on mast is possible with separate adapter (option)

Wind Speed

Survival speed : 80m/s (min. 30 minutes)


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