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Ships within 48 hours · Estimated delivery Aug 12 - Aug 17
Temperature Range: 32°F to 120°F (0°C to 49°C)
This module is rigorously designed and tested for electromagnetic compatibility and environmental reliability
steady red for alarm
rate-of-rise and 190°F high-temperature detection for cost-effective
For prevention of condensation
System Sensor 2251 Photoelectronic Detection Smoke Detector JOHNSON CONTROLS M500MJ Temperature Range: 32°F to 120°FModel 2251 is a plug in type smoke sensor that combines a photoelectronic sensing chamber with addressable analog communications. The sensor transmits an analog representation of smoke density over a communication line to a control panel. Rotary decade switches are provided for setting the sensors address. Two LEDs on the sensor are controlled by the panel to indicate sensor status. An output is provided for connection to an optional remote LED
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