Security Series: Heat Sensor

It’s summer so you know it’s going to be hot! If you’re not a fan of winter like many aren’t, then you probably will welcome the increasing temperatures. But have you considered how the rising heat affects certain appliances or hardware in your business and home? This week on our Security Series we will be covering heat sensors.

There are two main types of heat sensors we use here at Protection Associates, Inc: fixed temperature heat detectors and rate-of-rise heat detectors. These two detectors both perform the same basic function, but do so in different ways. Because of this, we use each type of sensor in specific areas and circumstances depending on our evaluation of how to meet you security needs.

Fixed temperature heat detectors are the simpler of the two types of heat detectors we utilize here. These detectors are relatively self-explanatory in that they detect when the temperature in a given area rises to a certain point. The type of heat detector determines the temperature at which the alarm is tripped. The temperatures of detection can range anywhere from 100 degrees Fahrenheit to 575 degrees Fahrenheit.

These types of heat detectors react slowly to the rising temperature so are not used in areas of businesses or homes where more sensitive detection is necessary. For example, we often use these type of detectors in the attics of homes as temperatures tend to rise quickly as the sun rises. These would not be useful in kitchens where grease fires might happen.

Rate-of-rise heat detectors are the sensors our technicians here at Protection Associates, Inc. use most often. The rate-of-rise detectors are far more sensitive than fixed temperature heat detectors because they operate on a completely different type of detection system. Rather than detect when the atmosphere reaches a specific temperature, the rate-of-rise detectors detects when the atmospheric temperature has increased more than 15 degrees Fahrenheit in a single minute.

In addition to the rate-of-rise detection, this type of detector generally also includes the less sensitive fixed temperature detection. Why would the more sensitive detector also include the less sensitive detection? Well, to protect your better. 15 degrees Fahrenheit per minute is a threshold that could result in the lack of detection of a fire should the atmospheric temperature rise slower than that. The incorporation of both technologies in this detector nearly ensures that the fire will be detected, regardless of whether or not the rate-of-rise is less than the 15 degree Fahrenheit per minute threshold.

Heat sensors are an important component in any home fire protection system. But heat sensors alone are not sufficient to protect you from the danger of fire. Heat sensors ought to be used in conjunction with traditional smoke detectors to ensure the best possible fire protection coverage.

Your home can have the best of the best when it comes to fire protection. Let us at Protection Associates, Inc. help you figure out what is best for you. Contact us today for your cost- and obligation-free security review!

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