Wireless Wind Speed Sensor (Anemometer) (T24-WSS)

Wireless Wind Speed Sensor (Anemometer) (T24-WSS) The Wireless Wind Speed Sensor (Anemometer) T24-WSS is built on Mantracourt’s T24 2.4Ghz wireless technology and operates alongside any T24 device such as base stations, handheld displays, analogue output, relay modules, GPRS data loggers and more. The T24-WSS will ‘power down’ between transmissions to […]

Wireless Wind Speed Sensor (Anemometer) (T24-WSS)

The Wireless Wind Speed Sensor (Anemometer) T24-WSS is built on Mantracourt’s T24 2.4Ghz wireless technology and operates alongside any T24 device such as base stations, handheld displays, analogue output, relay modules, GPRS data loggers and more.

The T24-WSS will ‘power down’ between transmissions to maximise battery life in the field and has a wireless range of up to 200 metres.

The Wireless Wind Speed Sensor (Anemometer) features a high quality 3-cup rotor pressed on a stainless steel shaft with rugged Delrin body with bronze Rulon bushings. Housed in an IP65 case.

The output value of the anemometer comes pre-calibrated
and can be configured to the user’s requirements and measure over the range 5 to 125 mph. Other output units available are m/s, km/h and fps.

Accuracy:
• 0.5mph from 5 to 10 mph
• ± 4% from 10 to 125 mph

The T24-WSS is powered either from internal batteries or an external supply. For applications which require high sampling rates for long periods Mantracourt’s Power Pack1 and Solar Panel1 (PP1 & SP1) offers an ideal solution.

  • Wireless range up to 200m
  • ± 4% from 10 to 125 mph
  • Rugged case 160 x 80 x 55mm (excluding glands)
  • IP65 rated
  • Variable sampling
  • 2 x D cell power & external supply
  • Half coupler mounting (48-51mm)
  • One year warranty
  • Photo on the left mounted in situ with the remote data collector and solar panel

The T24-WSS is factory set to sample the anemometer every 5 seconds, running continuously the batteries in the module will last 1 month and 11 days (based on Duracell LR20 D Cells). Using a handheld, T24-RDC or other peripheral T24 device to wake and sleep the module will extend the battery life further. The sample frequency can also be increased however this will have an effect on the battery life as shown demonstrated below.

Battery Life Guide
Transmit Interval (seconds) Time
1 8 days 12 hours
2 16 days 18 hours
5 1 month 11 days
10 2 months 23 days
30 8 months 11 days

All the above values based on 2 x LR20 Dcells (10A Hr)

General Radio

  Min Typical Max Units
Licence Licence Excempt
Modulation Method MS(QPSK)
Radio Type Transceiver (2 way)
Data Type 250 K bits/sec
Radio Frequency 2.4000 2.4835 GHz
Power  1 mw
Range 200 (650) Metres (feet) **
Channels (DSSS) 16
*Check operating temperature of Dcells intended for use.
**Maximum range achieved in open field site with the T24 acquisition module at a height of 3 metres (9.8 feet) above ground and T24-HS held at chest height pointing towards the acquisition module. Specification at 3V supply at 25°C
Parameter  
Battery Supply Voltage 2.1 3 3.6 Volts dc
External DC Supply 5 18 Volts dc
Operating Temperature Range -40 – 65* °C
Storage Temperature Range -40 – 85 °C
Reverse Polarity Protection – -32 Volts
Environmental Protection IP65 / NEMA 4
Measurement Range 5 – 125 mph
Accuracy 5-10mph 0.5 mph
Accuracy 10-50 mph ±4% mph

 

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