Wind
Anemometer to measure the wind speed and the wind direction
Anemometer
For transmission of electrically measured wind speed values. Low-inertia 3-cup assembly as sensing element; shaft made of stainless steel, guided in special covered precision ball bearings; housing made of polycarbonate.
The wind speed sensor type 4034 serves for transmission of electrically measured values of the wind speed. It is designed for applications in meteorology and environmental protection, e.g. automatic weather stations, at airports, on research vessels, at industrial sites, for mobile measuring systems etc.. Thanks to various simultaneously usable outputs it is suitable for a wide range of measuring tasks.
The reflecting wheel, made of special plated aluminium, is equipped with 15 black segments. During rotation these segments pass the light barrier and create a sequence of reflection and absorption pulses, in a frequency proportional to the wind speed. Due to precise adjustment of the cup assembly radius there is an exact relation between rotational speed and windrun; the corresponding wind- run to one rotation is 1.5 m. As there are 15 segments on the rotating wheel a resolution of 1.5/15 = 0.1 m windrun results and the corresponding frequency output to a measuring range 0...60 m/s is 0...600 Hz. The subsequent electronic circuitry converts this signal to a digital output, resp. further analog outputs (refer to "Technical Specifications").
The sensor is also available with DC measuring generator which produces a voltage proportional to the wind speed. Suitable for up to 4 analog instruments, connected in line.
- Technical Specification
- Variations
- Measuring range: 0...60 m/s = 0...116,7 kn
- Threshold: 0,3 m/s
- Response length: < 2.5 m at v = 5 m/s
- Accuracy: ±0,3 m/s;
at v > 15 m/s 2 % F.S. - Power supply: 4034.0000: 12...30 V DC, approx. 1 mA
4034.1000: 12...30 V DC, approx. 50 mA - Output: 4034.0000: 0...600 Hz, Open Collector
4034.1000: 0...600 Hz, Open Collector as well as analog 0...1 V, 0...20 mA, 4...20 mA - 4021 Sensor with DC measuring generator which produces a voltage:
- Measuring range: 0...41 m/s = 0... 80 kn
- Threshold: 0,8 m/s
- Response length: approx. 3 m at v = 5 m/s
- Accuracy: ±0,3 m/s;
at v >15 m/s 2 % F.S. - Output: 0...1 mA at Ra = 4 kΩ
- Weight: 4021: 0,9 kg
4034: 0,5 kg - Survivial speed: 60 m/s
- Heating: 12 V / 60 W; controlled by thermostat
- Dimensions: ∅ 224 mm, 327 m height, max. housing-∅ 80 mm
- Fastening: Socket ∅ 34 x 40 mm length
- Connection: metal connector, IP 67
- Operating temperature: -35...+80 °C
4034
Wind Speed Sensor
4400
Combined Wind Sensors, already mounted on a L-shaped crossarm (Article No.: 4400.xxxx)
4034
