alarm relay

SMS gsm alarm relay output with Andriod app (12 DI, 4 KO) Supports 3G and 4G version ( skype:lisali1220 WhatsApp:0086 13652426178) With 1 RS-232 seria...

...LED Obstruction Lighting Controller with Transfer is designed to reliably monitor the proper operation of the latest low power ...

... pH or ORP compound sensor. Advantages of pH/ORP Transmitter: Online monitoring of water pH or ORP value Two SPST for dosing control 1 chann...

Product Details Bently Nevada | 82365-01 Recorder Outputs/ Output 78599-05 *large in stock* The module can interface directly with a quadra...

GPRS/GSM Mini Car Motorcycle Bike Real-Time Tracking Movement Alarm Relay GPS Tracker OPERATION: - Initialization, send SMS (begin123456#) to the unit...

... with Automatically/manually switch best network 2 SIM GPS Tracker Gps Car Tracking Device 2 SIM GPS Tracker With SOS Specification Dim...

General The AlM-M200 monitors the insulation resistance of medical IT system, At the same time, the load current and temperature of the IT system tran...

... module combo flame fire detection fire board ​ module Quick Details: Operating Voltage :5V/12V at optional, please note whi...

... voltage control Way 1Z contact output 2Z contact output Work power AC 100~240V Outline dimension 48×96×66mm Install ...

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... Temperature Dertector Features 1. Strong adapt ability for circumstance 2. SMT adopted, high stability 3. Low standby current 4. 9-35V ...

... Smoke Detector With Output For Fire Detection Introduction 4-Wire smoke with output is common used for industrial control e...

... MODULE 4CHANNEL 5AMP 30VDC 250VAC Brand New Bently Nevada 3500/42 135489-02 Module In Stock Description The 3500/32 and 3500/33 Modules...

.... Each output of the 4-Channel Module can be independently programmed to perform needed voting logic. Each utilized on the 4-Channel Re...

... LCD screen, and provided with VGA video interface, making it available to connect to projector for training; 2. With function of housing gro...

..., such as gas, oil temperature, winding temperature, pressure and oil level. It receives the mechanical inputs from transformer tank and issues the...

... circuit, overvoltage, undervoltage, leakage, three-phase imbalance, overheating, grounding, bearing wear, When the stator and rotor are eccentric,...