Alrad introduces motion presence sensor
An
Alrad Instruments product story
Edited by the Engineeringtalk editorial team
Sep 28, 2009
Alrad Electronics has announced that its principal, Dexter Research, a Thermopile detector specialist, has introduced a motion presence sensor for smart detection systems.
Designed for 'smart washrooms', 'smart homes' and other 'smart' applications, the motion sensing presence sensor from Dexter Research is targeted for high volume, cost sensitive, drop in applications, where the system designer is interested in a fully functional subsystem, with minimum cost and integration effort.
The passive infrared sensor forms the heart of the system measuring 17.8mm x 25.4mm, which requires little power to operate and meets or exceeds all industry-standard measures for quality and consistency including ISO, RoHS, QS, CE, UL, among others.
Internal thresholds can be utilised for flexible operation, including variable samples, triggers, distances, time delays and alarm outputs.
The three output lines provide PWM, trigger and an analogue detector output to allow for ease of system integration.
The motion sensing presence sensor features wide power supply tolerances, is designed for two AAA battery operation and can operate below 2.0Vdd.
Optimised for extended battery life, the module consumes approximately 8pA when in sleep mode, thus providing long interval service cycles.
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