Dry Contact Smoke Detector

SM30 is a non-coded smoke detector, which can be operated by directly connecting to the DC power supply.

The indicator flashes while it is working. When the alarm is raised, the indicator is on. It has a pair of output contacts, which are normally open /normally closed when alarm. Power loss/automatic reset is required after no smoke. The detector has a base to install it.

1．Power-off/auto-reset is optional

2．Infrared photoelectric sensor

3．The sensitivity is adjustable

4．Intelligent logic control to filter out all kinds of false positives

5．The normally open/normally closed (N.O/N.C) alarm output is optional

SM30 has a good detection to visible smoke produced by slow vulva

or bright combustion. It’s widely used in indoor environments such as residential, shopping malls, hotels and warehouses. It output NO/NC, easy to connect to the third party monitoring system.

Q: Does it contain battery?

A: No. It's powered by DC power.

Q: What's the power supply?

A: It can be powered by DC9~35V. Others voltage can be cutomized.

Q: How to connect to the third party monitoring system?

A: It's dry contact sensor, output NO/NC, it can be connect to the third party monitoring system as long as it support dry contact sensor.