Features:
◆ Proven detection performance
◆ Fast and reliable heat sensor
◆ LED operation indicator
◆ Automatic self-test feature
◆ Low-battery warning
◆ Test button verifies battery and alarm operation
Specifications:
Rated voltage: DC 3.0V
Quiescent current: ≤10uA
Sound pressure level: 80dB
Alarm current: ≤100mA
Working frequency band: 433MHz/Band3, Band5, Band8
Alarm temperature: ≥55℃
Working temperature: -10℃-100℃
Relative humidity: ≤95%RH (40℃±2℃)
Output form: sound and light alarm
Executive standard: GB 4716-2005
Weight: about 150g (including battery)
Wireless Communication optional: 433/NB
The heat alarm JD503 is 9V battery operated, loud sound level, microprocessor inside with expert. algorithm software
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