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Thies First Class Advanced II-Unheated

Make: Thies Clima                                      Model: 4.3352.10.000 – Unheated
✅ The wind transmitter is designed for the acquisition of the horizontal component of the wind velocity in the field of meteorology and environmental measuring technology.
✅ Measurand : Wind Speed.
✅ Sensor Type : Cup Anemometer
✅ Signal Output : Frequency (1082Hz @ 50m/s)
✅ Supplied With : Terminal plug, Instruction for Use, Factory test/ Calibration Certificates.

Thies First Class Advanced II-Unheated:

The wind transmitter is intended for the acquisition of the horizontal component of wind speed in meteorology and environmental monitoring technologies, location evaluation, and measurement of capacity characteristics of wind power systems. Dynamic behavior at high turbulence intensity, a little speeding, and low beginning values are specified and optimized. At the output, the measured value is provided as a digital signal. It can be sent to display devices, recording devices, data loggers, and process control systems.

Application and features of Thies First Class Advanced II-Unheated:



✅ Power curve measurement at wind power plants
✅ Wind potential studies
✅ Site appraisals
✅ Research purposes
✅ Meteorological Applications
✅ Class A compliance in accordance to IEC 61400-12-1 and 61400-12-1 Ed.2
✅ Worldwide the first classified anemometer according to IEC 61400-12-1 Ed.2
✅ Calibrated according to MEASNET and IEC 61400-12-1 Ed.2 (ilac-MRA)
✅ Frequency output (1082 Hz at 50 m/s)
✅ Supply 3.3 … 48 V DC
✅ W/o heating
✅ Measurement Range: 0.3…75 m/s
✅ Accuracy: <1% of value or < ±0.2 m/s (0.3…50m/s)
✅ Survival Wind Speed 80 m/s (≥ 30 min)
✅ Linearity: r>0.99999 (4…20 m/s)
✅ IP 55
✅ 2 years warranty

Thies Clima


4.3352.10.000 – unheated

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 optoelectronic scanning :
Voltage : 3.3 … 48V DC (galvanic isolation from housing)
Current : 130μA typ. 150μA max. @ 3.3 … 15.0V (w/o external load), 180μA typ. 200μA max. @ 15 … 48V (w/o external load)

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

Mast Diameter

Mounting on mast R 1“, for ex. DIN 2441
1½ “ with separate adaptor (option)

Wind Speed

Measuring Range: 0.3 … 75m/s
Resolution: 0.05m wind run
Measurement uncertainty ±1% from the measured value or < ±0,2m/s @ 0,3 … 50m/s


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