Silent Knight SD505-APS Smoke Detector (Refurbished - 90 Day Warranty) and use a Xenon flashtube

and use a Xenon flashtube with solid state circuitry enclosed in a rugged Lexan® lens to provide maximum reliability for effective visual signaling

such as a DC supply or audio amplifier (up to 80 Vrms)

There are three user-selectable sensitivities for special applications for each individual sensor: 0

7 VRMS audio output

Both speaker circuits produce a combined total of 50 watts of power

Silent Knight SD505-APS Smoke Detector (Refurbished - 90 Day Warranty) and use a Xenon flashtubeThe SD505 APS compensates automatically for contamination in the environment. Detector calibration test viewing is simpleeven from a remote site. The SD505 APS offers a low profile installation and uses the model SD505 6AB base, compatible with other detectors in the series, allowing for complete application and placement flexibility. Like other Farenhyt smoke detectors, the SD505 APS offers easy installation, stable operation, RF transient