Infrared thermometer performance introduction and application analysis
Speaking of infrared thermometers, I believe everyone is familiar with them. This kind of product that measures the surface temperature by receiving the infrared radiation of the object itself has not changed in the core mechanism since it was invented. It can be said that it is "more than traditional” product category.
Is such a traditional product really so simple?
1. Ambient temperature compensation
In what occasions do you need to use ambient temperature compensation?
Generally speaking, when the ambient temperature exceeds the measured target temperature, the ambient temperature compensation function needs to be used. Generally, mid-to-high-end products have this skill. A typical case is to measure the billet temperature in the secondary reheating furnace. In such applications, we often use Marathon series thermometers to directly measure the billet temperature, and use Thermalert TX thermometers to measure the temperature of the inner wall of the furnace. By triggering the temperature of the furnace wall to the main thermometer in real time with a 0-5V signal, real-time and accurate temperature measurement is realized.
2. External trigger of emissivity
The emissivity of different materials will be different. In order to obtain the actual temperature, it is often necessary to set the emissivity of the corresponding material.
A thermometer with an emissivity external trigger interface can externally control the emissivity value through a 0-5V signal, that is, 0V means 0.100 emissivity, and 5V means 1.000 emissivity. Through the signal control of the external circuit, we can realize the automatic adjustment of emissivity, and then obtain more accurate true temperature measurement.
