Infrared laser thermometer gun
What is an infrared laser thermometer gun?
The infrared laser thermometer gun or laser temperature gun are used to measure the surface temperature of an object without touching the object. They normally have a laser pointer to help guide the user to where they are pointing the gun. They are extremely useful in applications that are in difficult to reach locations or on dangerous machinery.
赤外線レーザー温度計ガン
WHAT IS AN INFRARED
LASER THERMOMETER GUN?
The infrared laser thermometer gun or laser temperature gun are used to measure the surface temperature of an object without touching the object. They normally have a laser pointer to help guide the user to where they are pointing the gun. They are extremely useful in applications that are in difficult to reach locations or on dangerous machinery.
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How does an Infrared laser
thermometer gun work?
高温の物体は、熱によって分子内により多くのエネルギーを持ち、その結果、過剰なエネルギーのために分子がより速く振動します。これにより、熱放射と呼ばれる目に見えない光を放出します。一連のレンズとミラーを利用して、この放出されたエネルギーは検出器に集束され、温度の読み取り値に変換されます。
HOW DOES AN INFRARED LASER
温度計の銃の仕事？
Hot objects will have more energy in the molecules from the heat which results in the molecules vibrating faster due to the excess energy. This in turn makes them emit an invisible light called thermal radiation. Utilizing a series of lenses and mirrors, this emitted energy is focused into the detector and converted into a temperature reading.
What applications are they used for?
距離温度測定の利点は、さまざまな業界で非常に役立ちます。いくつかの例を次に示します。
Identify fire
hot spots
Cooking
food
Oven or heater checks
Electrical equipment
Epidemic control
Checking for fevers related to coronavirus or other health problems
Are they accurate?
温度計の精度はさまざまですが、それでも約±1％または±1℃以内です。読み取り値に影響を与える可能性のある他の要因があります。
· The reflectivity of the measured object
· Dirt on the lens of the gun
· Steam or dust between the object and gun
· Distance and size of the object being measured
· The gun's temperature difference to the environment
With careful planning and preparation, it is possible to reduce the limiting effects of dirt and steam, which cause a temperature difference between the infrared gun and the surface. Additionally, its advised to allow 20 minutes for the fun to adjust to a new environment temperature as well as wearing gloves to reduce the effects of the users body heat.
Reflectivity and Emissivity
Different materials will reflect light and heat differently, for example, shiny metal and glossy paint will have a high reflection compared to wood. The first and easy way to counter this is to use a nonreflective tape to wrap around or on the object, you want to measure if this is not possible or the object is too hot then choose a thermometer gun with Emissivity setting.
Emissivity is the measure of how much heat an object emits. This is measured from a range of 0 does not really emit heat (non-emissive) to 1 which emits a lot of heat (emissive). A good rule of thumb to find the emissivity of an object is to look at its color. The darker it is the greater the emissivity.
それらは正確ですか？
温度計の精度はさまざまですが、それでも約±1％または±1℃以内です。読み取り値に影響を与える可能性のある他の要因があります。
・測定対象物の反射率
・ガンのレンズの汚れ
· Steam or dust between the object and gun
・測定対象物の距離とサイズ
・環境に対する銃の温度差
Minimizing the factors of dirt, steam, and difference in temperature from the environment to the gun and the human body temperature can easily be managed with care and preparation. Allow for up to 20 minutes for the gun to go to the new environment's temperature (for example if you stepped indoors to a cool place from a hot outdoors). Wearing gloves can also reduce the user's body temperature.
反射率と放射率
Different materials will reflect light and heat differently, for example, shiny metal and glossy paint will have a high reflection compared to wood. The first and easy way to counter this is to use a nonreflective tape to wrap around or on the object, you want to measure if this is not possible or the object is too hot then choose a thermometer gun with Emissivity setting.
Emissivity is the measure of how much heat an object emits. This is measured from a range of 0 does not really emit heat (non-emissive) to 1 which emits a lot of heat (emissive). A good rule of thumb to find the emissivity of an object is to look at its color. The darker it is the greater the emissivity.
LASER THERMOMETER GUNS
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