The GD-04A back-up module, which provides David with the ability to work approx. 12 to 24 hours continually without an external power supply.
Smoke Sabre Test Spray is designed to test the functionality of Jablotron’s optical smoke detectors. Contains 150 ml of testing aerosol
The GD-02T temperature sensor is an accessory of the GD-02-DIN universal GSM communicator and controller. It is necessary for using the temperature measurement function, and monitoring temperature limit values.
The GD-04D DTMF module, which allows you to control David’s output relays by entering numeric codes (DTMF codes) on a telephone keypad during calls
TM-201A multifunktionelt elektronisk termometer kan bruges i alle installationer hvor en eller flere temperaturer skal måles og hvor et relæ efterfølgende skal lukke/åbne. Termometeret er udstyret med advarselssignaler (optisk og akustisk).
