General Description

Part Number - - - - - - EV-PH
Description - - - - - - Analogue Evolution Optical Smoke / Heat Sensor.
Computer Reference Number
Nittan Standard - - - - - F20N82400
Technical Specifications:-
Sensor Method - - - - - - Light Scatter and Thermistor
Sensor Element - - - - - - IR Diode and Thermistor
Operating Voltage - - - - - 20V d.c. to 35V d.c.
System Voltage - - - - - - 35V d.c.
Quiescent Current - - - - - 200μA
Alarm Current - - - - - - 5mA
Current for external remote LED indicator - - 2mA
Operating Temperature - - - - - – 10°C to + 55°C
Storage Temperature - - - - - – 20°C to + 60°C
Charging Time - - - - - - 4 minutes
Relative Humidity - - - - - - £ RH95% non-condensing.
I.P. Protection Rating - - - - - IP42
Addressing Method - - - - - Soft addressing, Non-Volatile EEPROM.
Material - - - - - - - - ABS
Base : UB4