Smoke detector D4 series-深圳市格瑞斯通自控设备科技有限公司

Smoke detector D4 series

The D4 series of smoke detectors includes three types: D4120/D4120W (waterproof)/D42403. The products use photoelectric sensing elements, and the probe is easy to disassemble and can be rotated in and out, making it easy to clean and maintain. Based on the detection of smoke content in the pipeline, output signals to ventilation equipment such as fans and blowers to prevent the spread of toxic smoke or fire. This product comes with a complete accessory base and uses a photoelectric detection head for remote testing

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Technical specifications

Specifications		D4120	D4120W	D4240
Operating Temperature	-20~70℃	√	√	√
Operating Temperature	-30~70℃	√	√	√
air velocity	0.5~20.3m/s	√	√	√
relative humidity	0~95% RH (no condensation)	√	√	√
Product weight	1.14Kg	√	√	√
Overall dimensions	Flat type: 370mm (length) x 127mm (width) x 64mm (height); Folding type: 197mm (length) x 229mm (width) x 64mm (height);	√	√	√
Electrical parameters		D4120	D4120W	D4240
Working power supply mode 1	20-29VDC	√	√	√
Working power supply mode 2	24VAC	√	√	√
Working power supply mode 3	120VAC	√	√
Working power supply mode 4	240VAC			√
Input capacitor method 1	270μF（Max.）	√	√	√
Input capacitor method 2	270μF（Max.）	√	√	√
Input capacitor method 3	N/A			√
Input capacitor method 4	N/A	√	√	√
Reset voltage mode 1	3.0VDC（Min.）	√	√	√
Reset voltage mode 2	2.0VAC（Min.）	√	√	√
Reset voltage mode 3	10VAC(Min.)	√	√
Reset voltage mode 4	20VAC(Min.)			√
Reset time mode 1	0.6 seconds (Max.)	√	√	√
Reset time mode 2	0.6 seconds (Max.)	√	√	√
Reset time mode 3	0.6 seconds (Max.)	√	√
Reset time mode 4	0.6 seconds (Max.)			√
Response time mode 1	15 second (Max.) alarm	√	√	√
Response time method 2	15 second (Max.) alarm	√	√	√
Response time mode 3	15 second (Max.) alarm	√	√
Response time mode 4	15 second (Max.) alarm			√