Mini Infrared Security SystemVellemanComplete infrared security system, which is ready assembled and easily installed, allowing low cost monitoring of door or walkways, announcing intruder or customer...Electronicsvelleman_pem7dPEM7D69.95Quasar Electronics Limitedhttps://www.quasarelectronics.co.uk/Item/velleman-pem7d-mini-infrared-security-beam-system-door-minder
Complete infrared (IR) security system, which is ready assembled and easily installed, allowing low cost monitoring of door or walkways, announcing intruder or customer. Ideal for shops, offices, warehouses and receptions.
easy to install
adjustable timer & volume
automatic alarm warning
1 x retro-reflection IR photoelectric beam sensor
1 x power supply 230Vac / 9V DC, 200mA
1 x European to UK Plug Adaptor (where applicable)
1 x alarm speaker (timer & volume adjustable)
Separate Speaker Unit with Volume & Timer Adjustment Controls, Chine-Off-Alarm Selector, Output and DC power input)
Retro-reflective IR photosensor with 10m (approx.) lead for Speaker Unit
Additional External Output: NPN open collector (for external device e.g.
Low cost Up-Down event counter. 4 digit LED display (expandable to 8 digits). Counts either Up or Down. Range 0000 to 9999. Inputs: Reset - Up - Down - Disable. Outputs: Overflow (low pulse on wrap-around). 9-15Vdc powered...