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Weather Station



Weather Station
Product Description

We are one of the leading organizations, engaged in offering a broad array of Weather Station that is used on diverse places to know the different nature of weather. The offered station is manufactured by our skilled professionals using superior quality raw material and advanced technology. Examined on various quality parameters by our experts, this station is available with us in various technical specifications as per the varied requirements of clients. We offer this Weather Station at most affordable rates to our valuable clients.

Features:

  • Longer service life

  • Excellent performance

  • Sturdy construction

  • Light weight

 Specifications:

Wind speed Sensor

3 Cup Anemometer.

Sensing

3 cup assembly mounted on friction free shaft and
coupled to a chopper

Starting threshold

0.3 meters/sec

Range

0 to 65 meters/sec

Distance constant

2.5 Meters

Output

TTL pulses output proportional to wind Built in line driver to drive long cable > 50 ohms loop resistance.

Accuracy

Better than 0.5 m/s up to 10 m/s + 2% FSD

Diameter of cup

50 mm.

Diameter of cup assembly

165 mm.

Construction  of sensor body: Brass housing and stainless steel shaft .

Principle of Operation

Anemometer is a fast response, low threshold  opto electronic  anemometer.  When  rotated by  wind, a  chopper on the anemometer shaft interrupts an infra red  light  source , generating pulses  from a photo transistor.  The  signal  is  amplified  and  fed  through  a line driver .  The  frequency     is  proportional  to  wind  speed.  The anemometer is provided with a 3 pin connector for easy replacement and comes with 10 meters of shielded cable.

For operation at low temperature the sensor can be supplied with a built in heater  The Anemometer can be supplied with a 20W  24 V DC built in heater for operation  at  low temperatures.

Note : these specifications are likely to change without notice.

WIND DIRECTION SENSOR MODEL -DWD 8601.

Wind Direction Sensor

Wind Vane.

Sensing

Vane coupled to linear endless potentiometer.

Starting threshold

Better than 0.5 meters/sec.

Range

0 to 357 degrees (3 degrees electrical gap in the Potentiometer

Output

0 to 5 kilo-ohm resistance ( 0 to 357 degrees).

Resolution

1 degree.

Accuracy

+/ 3 degrees.

Operating Temperature

40 to + 60 degree Celsius

 

Construction of sensor body: Brass housing, stainless steel shaft and  aluminum vane                                        

Principle of Operation

DWD 8601 wind vane is a counter balanced, low threshold wind vane. A Linear, wire wound endless potentiometer is coupled to the vane by an SS shaft. As the vane turns, it rotates a stainless steel shaft which is coupled to the potentiometer. This potentiometer has excellent linearity, very low  starting torque.

The north of the wind vane is marked on its body. This line is to be aligned with actual North  with the help of prismatic compass, at the time of installation. Sensor gives minimum resistance at North (i.e., 0 degree approximately 20 ohms ). The resistance output linearly proportional to the position of the wind vane

TEMPERATURE AND HUMIDITY COMBINED SENSOR

 Model No. DLTH 8702

Temperature


Sensing

RTD PT100

Range

40 degrees to + 60 degrees Celsius.

Resolution

0.1 degrees Celsius.

Accuracy

+ 0.2 degrees Celsius.

Output

0 to 1V for -40 to +60 Deg C

Weather Shield

Weather shield coated with weather proof reflective white paint.

Size of body

200(H) x 150 mm diameter(with weather shield).

Housing

The sensor is mounted on a brass/SS/ Plastic stem with a flange to fit in to the weather shield

Power requirement

5V DC

PRINCIPLE OF OPERATION

The sensor used for measurement is an RTD ( PT 100). Here the resistance of the element varies with temperature (increases with temperature), approximately 0.39 ohms/degree Celsius. Output is 0 to 1 Volt corresponding to -40 to 60 deg C

Humidity

PRINCIPLE OF OPERATION

Humidity sensor features an improved design to provide highly accurate and rapid measurements. The humidity sensor is a thin film capacitor element. A dielectric polymer absorbs water molecules from the air through a thin metal electrode and this causes a capacitance change proportional to humidity.

RAINFALL SENSOR
MODEL NO.DTR 8104

Sensor

Tipping bucket rain gauge.

Sensing

Magnet and reed switch (on-off output).

Resolution

0.5 mm.

Accuracy

better than + 5%

Operating Temperature

40oC to +50oC. with built in heater (optional)

Rim diameter

203 mm.

Collecting area

325 mm2

Material

Rain gauge shell made of FRP. Bucket made of stainless steel and mounting assembly of powder coated brass. (SS316body optional)

Capacity

Unlimited.

Sensitivity

0.5 mm or, 0.2 mm (rainfall per pulse)

PRINCIPLE OF OPERATION

It uses a tipping bucket mechanism to produce a contact closure every time it receives a predetermined quantity of rainfall. The body and funnel are made of FRP (Fiber glass Reinforced Plastic), rim is made of gun metal. All parts having contact with water are made of stainless steel. Each tip of the bucket produces an on-off output when the magnet passes over the reed switch.


Product Code : DWD 8601

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Correspondence Address:
Hind Electrical Co.
123, Heena Arcade,
GIDC Char Rasta, Vapi-396 191

Branch Office:
35, 3rd Floor, Omkar Complex,
Valiya Road,
GIDC, Ankleshwar



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