INSTRUCTION MANUAL MT155 COATING THICKNESS METER
Introduction Thank you for your purchase of the Coating Thickness Tester. The MT155 is a compact and handy gauge specifically designed for non-destructive, fast and precise coating thickness measurements. The principal application is for corrosion protection. It is ideal for manufacturers, for offices, specialist advisers, for paint shops, electroplaters, for the chemical, automobile, shipbuilding, aircraft industries and for light or heavy engineering.
Tester Layout 9 1 2 3 4 6 7 5 1. 2. 3. 4. 5. 6. 7. 8. 9. 8 LCD display Select key: For ON/OFF, SELECT and OK Up key: For upward selection and working mode switch Clear Key: Calibration Zone of the FE and NFE Housing Back Key: For return or to delete the last measured data Down key: For downward selection or working mode switch Probe Battery cover Ready to Start Power on: Press and hold the POWER button. If the LCD display does not switch on, check if the battery is correctly installed or flat.
Select Working Mode Working Mode: • There are 31 working modes in this gauge. Measurement data will not be stored when the gauge is in Group0 measurement mode. • In the other 30 working modes, 30 measured data can be stored in each mode cycle. 1. Press the SELECT button to enter the MENU 2. Press the UP/DOWN button to select WORKING MODE 3. Press the SELECT button to enter WORKING MODE 4. Press the UP/DOWN button to select WORKING MODE 5. Press the SELECT button for OK.
Auto Power Off You can disable AUTO-POWER-OFF via MENU system or the gauge will automatically power off in ±3 minutes if not in use. 1. Press the SELECT button to enter the menu 2. Press the UP/DOWN button to SELECT THE SETTING 3. Press the SELECT button to ENTER THE SETTING 4. Press the UP/DOWN button to select AUTO-POWER-OFF 5. Press the SELECT button to ENTER 6. Press the UP/DOWN button to SELECT 7.
Calibration and Measurement The gauge can calibrate Zero-point of Fe or Non-Fe, or DELETE wrong calibrated zero-point of Fe or Non-Fe. It is recommended that the zero-point be calibrated before use. Zero-point Calibration of Fe or Non-Fe • Press and hold the ZERO button to Zero-point the calibration of the Fe or Non-Fe measuring mode • In the Fe mode, Zero-point calibration of Fe. • In the Non-Fe mode, Zero-point calibration of Non-Fe (Less than 50UM(µm) is effective). Delete Fe or Non-Fe Zero-point 1.
Specifications Sensor probe Fe Non-Fe Working principle Magnetic induction Eddy current principle Measuring range 0~1350µm 0~1350µm 0~53.1mils 0~53.1mils 0~1000um 0~1000um ±(2.5%+2um) ±(2.5%+2um) 1000~1350um (±3.5%) 1000~1350um (±3.5%) 0~39.3mils 0~39.3mils Guaranteed tolerance (of reading) Precision (±2%±0.08 mils) (±2%±0.08 mils) 39.3~53.1mils (±3.5) 39.3~53.1mils (±3.5) 0~100um (0.1urn) 0~100um (0.1urn) 100um~1000um (1um) 100um~1000um (1um) 1000um~1350um 1000um~1350um (0.
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