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Biral - Model SWS - Test Plaque

Biral - Model SWS -Test Plaque

FromBristol Industrial & Research Associates Ltd (Biral)

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There is a requirement to be able to test the correct operation of aviation obstruction lights on wind turbines, both at the initial construction phase and at regular intervals thereafter as part of general operational maintenance. This SWS test plaque demonstrates the correct operation of the aviation obstruction lights by reproducing the required visibility from the Biral sensor, triggering the change of brightness.

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For wind turbines using visibility controlled aviation obstruction lights. Simulates a fixed visibility allowing function of all connected equipment to be tested.

Model Number: SWS-TEST

Areas: Visibility & Present Weather Sensors, Visibility Weather Sensors, Present Weather Sensors
Applications: Wind Energy, Visibility Controlled Wind Turbine Obstruction Lights

The SWS test plaque is supplied to a customer specified, pre-configured visibility value. These test plaques can be fitted to any Biral SWS sensor and utilise the mounting points used by the calibration plaques.

Each test plaque forces the Biral visibility sensor to report a known Meteorological Optical Range (MOR) as ascribed to each plaque. This MOR value is equivalent to a known visibility value. This MOR output will then cause the lighting control system to adjust the brightness of the aviation obstruction lights.

The MOR value for each test plaque is specified by the customer at the time of purchase. The MOR range available is 0.5 to 7.0km in increments of 0.1km.

These test plaques are for use as a simulator only and are not to be used for the calibration of Biral sensors.

MOR range available: 0.5 to 7.0km in increments of 0.1km
Measurement Error: ± 15% of assigned MOR value
Material: Anodised aluminium optical support and installation arm
Weight: 0.32kg. Including carry case 1.02kg
Warranty: 2 years
Packaging: The plaque is packaged in a rigid plastic foam lined protective carry case. Includes a set of foam zero reference optical plugs. - User guide

Measurement:
Visibility, MOR or EXCO
Output:

RS232, Optional RS422/RS485
0 - 10 V
4-20mA (optional)
2 Threshold and 1 Fault Relay

Measurement Principle: Forward scatter 45°
Measurement Error: 2% at 2,000m
Sensor Power: 12 V DC, 24V DC, 120 V AC or 240 V AC (6W Approx)
Hood Heating Power: 30W
Window heating and contamination monitoring: Fitted
Operating Temperature: -50°C to 60°C
Operating Humidity: 0 – 100% RH
Protection rating: IP66
Weight:
Sensor Head: 4.9 kg DC: 6.1kg AC
Cables: Approx. 3 kg