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.
Resistor temperature sensors CP-201T (2 sensors per packaging) are designed for universal use in detecting temperature of liquid, gaseous, and solid substances.
Resistor temperature sensor CP-201T-NW is designed for universal use in detecting temperature of liquid, gaseous, and solid substances.
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
Smoke Sabre Test Spray is designed to test the functionality of Jablotron’s optical smoke detectors. Contains 150 ml of testing aerosol
The TM-201A multi-functional electronic thermometer can be used in all installations where one or two temperature values need to be measured with a subsequent relay closing or opening action.
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