Thermal Interference Test Equipment for Linear Beam Smoke Detectors
Designed and manufactured in accordance with EN 54-12, BS 5839 and other relevant requirements. This device through the servo motor driver precision control of motor speed, through the programme control to achieve fully automatic adjustment, the test process without human involvement, to achieve the filter value and frequency change according to the predetermined settings of automatic control, reset control and other functions.
Technical Parameters：
1, Power supply: AC220V 50Hz
2, Optical frequency: 5Hz ± 1 Hz, 10Hz ± l Hz, 20Hz ± 2Hz, 50Hz ± 5 Hz on the frequency, 0dB ~ 0.7dB of the peak cycle change.
3, Chopper: servo motor drive, adjustable speed to achieve the frequency adjustment.
4, Chopper is placed in front of the receiver.
5, Filter reduction value: 0.9dB, 1.5dB, 3dB, 5dB, 10dB; a set of 5 pieces.
6, Test time: 1-300.00S can be set arbitrarily.
7, Control cabinet: PLC intelligent control system + touch screen, text operation interface.
8, Filter value, frequency change can be set automatically according to predetermined settings, reset control and other functions.
9, The test system can read the sample alarm signal or fault signal, and record the test data in the system.
