Radionics D8670T Microwave/PIR Intrusion Detector

The D8670T should be installed in a location that is likely to intercept an intruder moving across the coverage pattern. The surface should be solid and vibration free. The mounting height range is 6 to 8 ft (1.8 to 2.5 m), with the recommended height being 6.5 ft (2 m).

The D8670T offers two coverage patterns: Standard Broad and Long Range. The Standard Broad pattern provides a 70 ft by 70 ft (21.4 m by 21.4 m) coverage area, while the Long Range pattern provides a 100 ft by 10 ft (31 m by 3.1 m) coverage area. The Long Range lens is optional and can be added to the detector to increase the coverage area.

The sensitivity of the D8670T can be adjusted using the PIR Sensitivity Selection Pins. The Standard sensitivity setting is recommended for maximum false alarm immunity, while the Intermediate sensitivity setting is recommended for locations where an intruder is expected to cover only a small portion of the protected area.

After installation, you should perform a walk test to ensure the detector is working correctly. Walk test the unit from all directions to determine the detection pattern boundaries. Observe the tri-color LED to see if it activates when you walk through the coverage area. If the LED is not flashing, it may indicate a problem with the detection system. Make sure the LED is OFF before walk testing and make sure the cover is on.