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How to Improve Early Warning Accuracy of Fire Detector with NTC Thermistor?
2025/01/23 03:01:09


As an important part of the modern fire safety system, fire detectors are responsible for real-time monitoring of fire hazards. Due to its sensitivity to temperature changes, NTC thermistors can monitor temperature anomalies in real time in fire detectors, and play a key role in fire prevention and early warning.

Heat accumulation is a remarkable feature in the causes of fire. The NTC thermistor provides analysis data to the fire detector by monitoring the ambient temperature change, and once the temperature exceeds the preset threshold, the fire detector will immediately start the corresponding alarm program, ensuring that the user can receive the warning information in the shortest possible time. Fire detector is mainly composed of shell, MCU, NTC thermistor, Internet of Things module, buzzer, etc., to escort the safety of people's lives and property. Specifically, the MCU is electrically connected to the NTC, the IoT module and the buzzer respectively. When the fire detector starts working, the thermistor synchronizes the temperature monitoring. The MCU will convert the temperature data into electrical signals and send them to the IoT module. When the temperature rises abnormally or changes too fast, and is analyzed and judged to be a fire alarm, the MCU will trigger buzzer to remind and make other detectors within the use range sound through the IoT module to ensure timely evacuation.

With its excellent sensitivity, the NTC thermistor assists the fire detector to improve the overall monitoring accuracy, which can not only reduce the false alarm rate, but also ensure that each alarm is aimed at the real fire risk, avoiding unnecessary panic and economic losses. In order to maintain the early warning sensitivity of fire detector, EXSENSE Electronics Technology Co., Ltd. recommends the use of IT series miniature insulated lead NTC thermistor, which:

First, high accuracy, the temperature measurement process can capture small temperature changes in time, which provides a valuable time window for early detection and timely treatment of fires;

Second, excellent reliability, maintaining stable performance under various temperature and environmental conditions, ensuring the sustainable effectiveness of fire detector work;

Third, the head size is small and the response speed is faster, which can assist the fire detector to carry out daily monitoring work more accurately.

In summary, the excellent electrical performance of the miniature insulated lead NTC thermistor and the negative proportional change of its resistance value and temperature can effectively improve the early warning accuracy and feedback timeliness of fire detector. In addition, as the first line of defense, the miniature insulated lead NTC thermistor transmits real-time temperature information to the fire rescue in a race against time, making an important contribution to improving the level of public safety.

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