Gill Instruments Ltd
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WindObserver 65 Page 6 Issue 4
Doc. No. 1390-PS-0039 June 2016
4. SPECIFICATION
Measurement
Output 1, 2, 4, 5, 8, 10Hz
Parameters UV, Polar, NMEA, Tunnel
Units m/s, Knots, MPH, KPH ft/min
Averaging Flexible 1-3600 seconds or
Adjustable Averaging for Road Weather applications
Wind Speed
Range 0 - 65m/s (0-145mph)
Accuracy ±2%@12m/s
Resolution 0.01m/s
Offset ±0.01m/s
Direction
Range 0 - 359°
Accuracy ± 2°
Resolution 1°
Sonic Temperature Output
Range -40°C to + 70°C
Anemometer Status Supplied as part of standard message
Starting Threshold 0.01 m/s
Dead Band Wind Direction None
Power Requirement
Anemometer only 9-30V DC (30mA @ 12V DC, non-analogue unit)
9-30V DC (50mA @12V DC, analogue unit)
Reverse voltage protected
Heating - Optional Allow 3A @ 22v to 30v (max) AC rms or DC
Digital Output
Communication RS422, full duplex, RS485 2 wire network facility
Baud rates 1200, 2400, 4800, 9600, 19200, 38400
Formats 8 data bits, odd, even or no parity, 1 stop bit
Analogue Output - Optional
Quantity 3 (speed, direction, status, SOS or Sonic Temperature)
Scale Multiples of ± 10m/s up to ± 70m/s
Type ± 2.5V, 0-5V or 4-20mA
V output resistance 60 Ohms
4-20mA loading 10-300 Ohms
Dimensions
Size See manual Fig 2b for dimensions
Weight WindObserver 65 1.34kg (no mount or lead).
Base Mount Short 0.63kg.
Base Mount Long 1.05kg.
Pipe Mount 1.06kg.
Materials
External Construction Stainless Steel 316
Environmental
Moisture protection IP66 (NEMA4X)
Operating temperature -55°C to +70°C (heated version)
Humidity 0% to 100% RH
Precipitation 300mm/hr
EMC EN 61326-1:2006
EN 60945:2002
Icing MILSTD810F Method 521.1 Procedure 1
Standards Traceable to UK national standards
Lloyds Register Type Approved
Site Calibration None required. (See Section 10.6 Zero Wind Check)
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