• Dual-light sensing technology for reducing false alarm caused by vapor.
• Alarm indicating buzzer, sound level≥85 dB@3 m (A-Weighted).
• Powered by lithium battery,long battery life under normal operation.
• Supports test feature to verify whether the device is working properly.
• Supports multiple alarm types: low voltage alarm, tampering alarm, maze dirty alarm.
• Constant temperature alarm/Differential temperature alarm.

Function

• Constant temperature alarm＞57 ℃
• Differential temperature alarm△T＞8 ℃/min
• Vapor resistanceYes
• HushYes
• Maze dirty alarmYes
• Low voltage alarmYes
• TestYes
• Battery uninstalled indicatorYes

General

• Working principlePhotoelectric
• Power supply3 VDC, battery CR17450 (with cable)
• Battery capacity2400 mAh
• Standby current≤10 μA
• Alarm current≤35 mA
• Alarm modeAudible & visual alarm
• Alarm sound level≥ 85 dB@3 m (A-Weighted)
• Battery LifeTen-year battery life under normal operation
• Operation temperature-10 °C to 55 °C (14 °F to 131 °F)
• Operation humidity≤95% relative humidity (RH)
• Dimension (φ × H)120 mm × 56 mm (4.7" × 2.2")
• Weight202 g (0.45 lb) (with battery)
• InstallationCeiling mounted