Model No. | SR-801PC-2/SR-802PC-2/SR-811PC-2 | SR-801PC-4/SR-802PC-4/SR-811PC-4: |
Operating voltage | DC9~35V | |
Static current | 55uA | 12mA(NC);500uA(NO) |
Alarm current | 35mA@DC12V;60mA@DC24V | 10mA(NC);18mA(NO) |
Sensitivity | 0.5dB/m(±0.01dB/M) | 0.5dB/m(±0.01dB/M) |
Alarm output | Remote LED indicator | Relay output |
Installation | Ceiling mounted | Ceiling mounted |
Working environment | -10ºC~+50ºC(≤95%RH No congelation) | -10ºC~+50ºC(≤95%RH No congelation) |
Dimension | 104*49mm (SR-801/SR-802) | 100*48mm (SR-811) |






