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.
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
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.
Det multifunksjonelle elektroniske TM-201A-termometret kan brukes i alle anlegg hvor en eller to temperaturverdier må måles med påfølgende lukking eller åpning av relé. Termometret er utstyrt med optisk og akustisk signalisering.
