The Nittan EV-SDR (part no. F16-82110) is an analogue addressable sounder for Nittan Evolution fire alarm systems. It is a Type A indoor sounder, powered and controlled from the Evolution loop, and replaces the earlier EV-ABS sounder.
It uses the Evolution FSK protocol and is EEPROM addressed with a programmer. It is a stand-alone device and is not designed to be fitted with a detector.
Key features
- 12 tones selected by DIP switch (3 approved tones)
- Evolution FSK protocol
- EEPROM addressed with a programmer
- Replaces the EV-ABS sounder
- Stand-alone device, not for use with a detector
Technical specifications
- Sounder: piezo, 73 to 88 dB(A) at 90° / 1 m
- Tones: 12, selected by DIP switch (3 approved)
- Operating voltage: 24 to 38 V DC (35 V DC system voltage)
- Quiescent current: 200 µA
- Sounder operating current: 4 mA (low), 6 mA (high)
- Operating temperature: -10°C to +55°C
- Relative humidity: up to 95% RH, non-condensing
- Ingress protection: IP21C
- Addressing: soft addressing, non-volatile EEPROM
- Material: ABS
- Dimensions: Ø115 x 30.91 mm
- Mass: 200 g
- Standard: EN 54-3:2001 + A1:2002 + A2:2006
- Manufacturer part number: F16-82110
