Đầu báo nhiệt loại thường Siemens OH121

Đầu báo nhiệt loại thường Siemens OH121

Model OH121 from Siemens Industry ─ Fire Safety is a photo/thermal smoke detector that contains a thermal sensor. When the sensor is utilized, an Alarm condition will trigger when the temperature reaches 135°F ─ at this point, the detector will also lock into the Alarm condition.

The magnet-test feature allows for Model OH121 to be tested without the use of a heat gun, providing quick testing for installers and test personnel to prove the integrity of the wiring and proper connection to the fire alarm control panel (FACP).

The auto-sensitivity feature for Model OH121 stems from the internal, self-monitoring circuitry, and provides dynamic verification of sensitivity and/or required maintenance. The auto-sensitivity feature is displayed by Siemens unique (3) three-color LED provided locally on the detector ─ and optionally with the various remote LED indicators.

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