[Offer to Sell] heat alarm(AK-228A2) |
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| Product description:(AK-228A2) Product description: -Ceiling or wall mounting -Easy installation -12VDC,24VDC,9V battery operated (included) -Detection of intense fires with fast response and the temperature. -Flash alarm indicator (red) -Safety-clip feature, not allow mounting of the heat alarm without battery installed -High stability and reliability -Relative Humidity : 10% ~ 95% -Operating Current : <30uA (standby) and 30mA (alarm working) -Horn level : 85dB within 1 meter -Operation :When the ambient temperature rise 70℃(or 60℃ or 80℃)within 5 seconds, the alarm will sound. -Temperature Standard 70℃. (Can be adjusted for special location and customer request.) -Battery life : 1 year min - Interconnecting heat detector (1)Circuit for normally closed relay contacts (2)Circuit for normally opened relay contacts (3)Operating Frequency: 433 MHZ/315MHZ (optional) |
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