How to set up the US LEE Coating Thickness Gauge
The use of the United States LEE coating thickness gauge is required in strict accordance with the instrument operating instructions and daily testing experience to carry out. Some times only the theory of reference is not enough, taking into account the environment and the use of the instrument also needs some experience to make stable judgement and detection. Below we will talk about the thickness gauge in the use of the process of the United States LEE coating thickness gauge on the zero calibration problems:
The U.S. LEE coating thickness gauge random accessories include: host (built-in probe), standard film set, No. 7 battery, operating instructions, substrate, lanyard and instrument case.
1, load the battery.
Hear the "drop" sound, that the instrument has been powered on, can be turned on.
2. Press the button gently.
Hear "drop" and immediately followed by "drop" two sounds, the screen at the same time appear the letters "READY!" or appear "READY! ", indicating that the instrument is ready to start testing. If there is no operation for 30 seconds, the instrument will shut down automatically.
3, take out the random substrate, the instrument is placed vertically on the substrate.
See if the instrument screen shows 0um or 0.mil, if not the value please teach quasi zero point.
4, gently press the key twice
Hear a "drop" sound, the screen at the same time appear "BASE ZERO_" characters.
5, the instrument is placed vertically on the substrate.
Hear a "drop" sound, the screen appears "DONE_" character. This indicates that the zero calibration of the instrument is complete.
6, the instrument is placed vertically on the substrate, the screen whether to display 0um or 0.mil, if not can be repeated above 4, 5 steps to recalibrate.
Note: When doing zero calibration, the instrument must be placed vertically on the substrate without any tilt, and the screen will not show zero point anyway. Random with standard film, do zero calibration can test the standard film, see whether the instrument precision range, if the deviation is very large shows that the zero point is not calibrated, repeat the calibration steps can be completed. Some users think that the random substrate on the zero calibration can be tested on the measured workpiece, which in fact is with a misunderstanding, the random substrate may be the same as the substrate you are measured, but a lot of the situation is not the same, we all know that FE elements are divided into a variety of materials for each kind of material is also very different, so in the measurement of the measured workpiece before the * is good to be measured in the workpiece is not coated with paint or other materials, do it! Zero calibration, so that the measurement results are * accurate.
