Freezing Rain Sensor
The FAA-certified Model 6495 Freezing Rain Sensor uses an ultrasonic axially vibrating probe to detect the presence of icing conditions. The vibrating frequency of the probe decreases with the accumulation of ice, frost, or wet snow. Once ice has accumulated on the probe to a predetermined thickness, the AWOS DCP instructs the sensor to activate its internal heaters to deice the probe.
The powerful de-icing system is capable of completely melting 3.8 mm of ice on the probe within 30 seconds at -20°C, while requiring less than 400 watts of power to operate.
Following the de-icing cycle, a heat sink dissipates the heat from the probe assembly. The heat sink provides a recovery time of approximately 10 minutes after de-icing and thermally isolates the probe assembly, ensuring accurate measurements at temperatures near 0°C.
When used with an ADB SAFEGATE AWOS, the Model 6495 reports frequency values once per minute. The system then combines this information with data from other sensors on the AWOS to generate freezing rain reports.
The powerful de-icing system is capable of completely melting 3.8 mm of ice on the probe within 30 seconds at -20°C, while requiring less than 400 watts of power to operate.
Following the de-icing cycle, a heat sink dissipates the heat from the probe assembly. The heat sink provides a recovery time of approximately 10 minutes after de-icing and thermally isolates the probe assembly, ensuring accurate measurements at temperatures near 0°C.
When used with an ADB SAFEGATE AWOS, the Model 6495 reports frequency values once per minute. The system then combines this information with data from other sensors on the AWOS to generate freezing rain reports.
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