SPD-3.5. Products. Arton

The fire combined Heat Smoke Detector SPD-3.5 is designed for the detection of ignitions in enclosed premises of different buildings and constructions which are accompanied with the appearing of smoke, and also of the exceeding the threshold magnitude of the ambient temperature and for the transmission the “Fire” signal to control panels.

The detector is counted on the continuous 24-hours operation in 2-wire fire alarm loops with power voltage 10-30 V.

The detector has functions of standby mode indication of operating (a red LED flashing).

The loop matching module MUSH-2 is applied for the operation of detectors with the fire- intruder control panel by the 4-wire scheme of detectors’ connection.

Technical specifications of the smoke detector SPD-3.5

Sensitivity, dB/m

0,05—0,2

Lag,

≤ 10

Power voltage range, V

10—30

Threshold temperature of operating, °С

70 ± 3,5

Temperature lag at +30°С /min, s

39—162

Temperature lag at +3°С /min, s

433—1120

Way of connection to a control panel

2-wire line

Consumption current in standby mode, mA

≤ 0,095

Consumption current in “Fire” mode, mA

6—36

Internal resistance in “Fire” mode

≤ 500

Dimensions, mm

Ø100×48

Mass, kg

0,15

Operating temperature range, °С

-30 ... + 55

Average service life, years

≥ 10

SPD-3.5

Fire combined Heat Smoke Detectors

Technical specifications of the smoke detector SPD-3.5