The company's multihop wireless mesh networking technology is based on a low data rate frequency hopping spread spectrum that is designed to offer superior range/power ratio and strong RF links.
The WhisperGreen™ Series of ventilation fans feature Custom Vent™ variable-speed control with a delayed off timer that allows the fan to run continuously at a preset lower level (30 to 110 cfm).
The Apollo® Series 4D Defender™ backflow preventers are available in sizes ranging from 2-1/2 to 10 in. and feature a lead-free, all-stainless steel check valve design in a ductile iron body.
The ZigBee™ networking platform is a wireless, standards-based radio technology designed for remote monitoring and control and sensor network applications for building automation.
The SRG Model thermal mass flowmeter for air and gases features a heavy duty remote electronics enclosure with a glass window for easy viewing, a touch display screen allowing the user to access the meter's menuing system, and updated microprocessors and software for field verification of sensor condition and operation as well as for checking flowmeter calibration.