The LE-DCD-135/-190 fixed temperature/rate-of-rise heat detectors are suited to detect in the presence of slow or fast rising temperatures due to burning combustibles. The construction of these models incorporate a thermistor heat element protected from damage by the built-in, durable plastic guard. These electronic heat detectors incorporate two power/alarm LEDs for 360 indication of status. In standby condition the power LEDs flash Green. In an alarm condition the LEDs latch on Red. TheLE-DCD-135/-190 electronic heat detection circuitry performs the same function as a Mechanical Device but with Electronic Precision. If the heat rise is less than12/minute the LE-DCD will not alarm until it reaches its alarm temperature (135 or 190 7.5F). If the heat rise is greater than 12/minute the LE-DCD will alarm immediately giving an early warning signal and latching the Red alarm LEDs on.
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