Digital smoke detector CHD-LH93

This is a digital smoke detector we sell the best in international market.

Size: Circular and its diameter is 112mm and thickness is 40mm;

Able to monitor environment and test its smoke and fog in spots by system software;

Able to automatically detect and analyze smoke and fog by drawing out air and then give signal to management center timely;

Working temperature:  -20~55 centigrade degree, storage temperature: -40~85 centigrade degree;

Relative humidity:0%-90%RH, 100% anti-dampness treatment;

Its communication output format is RS485 and its transmission rate is fixed in 9600BPS;

The area of monitoring environment is 20 square meters;

Accord with the standard of GB4715-93(4.22) technical requirement and testing mode;

Real-time deliver the smoke and fog data in spot, automatically give alarm when the data exceed limited value