🌡️ Outest GM320 Dekropo thermometer, temperature infrared laser gun thermometer unboxing.

I use my Outest GM320 infrared thermometer already for a couple of years now, and I'm quite happy with it.
It gives you a fast relative correct reading.
We unbox and test this very thourough today.
Remember after the video, I added a whole piece where it fell apart and failed miserably.

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Laser infrared thermometer:
http://s.click.aliexpress.com/e/aIAQ3Bm

Mastech MS8239C I bought here:
http://s.click.aliexpress.com/e/aMZFEQV

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What is emissivity and why is it important? (FAQ - Thermal)
All objects at temperatures above absolute zero emit thermal radiation. However, for any particular wavelength and temperature the amount of thermal radiation emitted depends on the emissivity of the object's surface. Emissivity is defined as the ratio of the energy radiated from a material's surface to that radiated from a blackbody (a perfect emitter) at the same temperature and wavelength and under the same viewing conditions. It is a dimensionless number between 0 (for a perfect reflector) and 1 (for a perfect emitter). The emissivity of a surface depends not only on the material but also on the nature of the surface. For example, a clean and polished metal surface will have a low emissivity, whereas a roughened and oxidised metal surface will have a high emissivity. The emissivity also depends on the temperature of the surface as well as wavelength and angle.

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Brand Name:OUTEST
Style:HandheldDisplay
Size:1.9 Inches & UnderDisplay
Type:Digital
Max Measuring Temperature:120°C & Above
Model Number:GM270/GM320/GM321/GM530/GM531/GM300/GM550/GM300E/GM550E/GM700/GM900
Usage:Industrial
Theory:Infrared Thermometer
Power Type:1.5V AAA/9V battery
Item:Non contact infrared thermometer
Temperature range:-32~280/950C(-89.6F~536/1742F) +/-1.5C/3C
Response time:500msec,95% response
Distance to spot size:12:1(only GM270 8:1)
Resolution:0.C or 0.1F
Repeatability:1% of reading or 1C(GM321 and GM531+-1% or +-1C)
Emissivity:0.1-1.0 Adjustable/0.95 Preset

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GM270 -32~280C ±1.5C 0.1C or 0.1F 1% of reading or 1C 500mSec 8-14um 0.95 Preset 8:01 0~40C 1.5V AAA *2 144*93*38
(-26~536F) 95% response (32~104F) battery
GM321 -50~380C ±1.5C 0.1C or 0.1F 1% of reading or 1C 500mSec 8-14um 0.1-1.0 12:01 0~40C 1.5V AAA *2 144*93*38
(-58~716F) 95% response Adjustable (32~104F) battery
GM530 -50~530C ±1.5C 0.1C or 0.1F 1% of reading or 1C 500mSec 8-14um 0.95 Preset 12:01 0~40C 1.5V AAA *2 144*93*38
(-58~986F) 95% response (32~104F) battery

GM300 -50~420C ±1.5C 0.1C or 0.1F 1% of reading or 1C 500mSec 8-14um 0.95 Preset 12:01 0~40C 9V(6F22) 153*101*43
(-58~788F) 95% response (32~104F) battery)
GM300E -50~420C ±1.5C 0.1C or 0.1F 1% of reading or 1C 500mSec 8-14um 0.1-1.0 12:01 0~40C 9V(6F22) 153*101*43
(-58~788F) 95% response Adjustable (32~104F) battery)
GM550 -50~550C ±1.5C 0.1C or 0.1F 1% of reading or 1C 500mSec 8-14um 0.95 Preset 12:01 0~40C 9V(6F22) 153*101*43
(-58~1022F) 95% response (32~104F) battery)
GM550E -50~550C ±1.5C 0.1C or 0.1F 1% of reading or 1C 500mSec 8-14um 0.1-1.0 12:01 0~40C 9V(6F22) 153*101*43
(-58~1022F) 95% response Adjustable (32~104F) battery)


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