Desc:Intoduction:This photoelectric smoke detector detects smoke by a couple of infrared diodes. The principle of detecting is granule in the smoke can ref...
Desc:All of the Sentek's SD119-G series detectors meet the requirements of UL 268 and EN 54-7/5 for use in fire alarm signaling systems. They are intended ...
Desc:All of the Sentek's SD119-G series detectors meet the requirements of UL 268 and EN 54-7/5 for use in fire alarm signaling systems. They are intended ...
Desc:All of the Sentek's SD119-G series detectors meet the requirements of UL 268 and EN 54-7/5 for use in fire alarm signaling systems. They are intended ...
Desc:Conventional Heat DetectorAll of the Sentek'sHD912 series detectors meet the requirements of UL521 and EN 54-5 for use in fire alarm signaling systems...
Desc:GVDA True RMS Auto Range Smart Pen Type Digital Multimeter with AC DC Voltage Resistance Capacitance Continuity Diode Frequency tester GVDA Digital Mu...
Desc:GVDA True RMS Auto Range Smart Pen Type Digital Multimeter with AC DC Voltage Resistance Capacitance Continuity Diode Frequency tester GVDA Digital Mu...