Major tech MT155 Manuel utilisateur

INSTRUCTION MANUAL

COATING THICKNESS METER

MT155

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. The gauge is

suitable for laboratory, workshop or outdoor use. The probe can work on both

principles, magnetic induction or the eddy current principle. Only 1 (one) probe

is required for coating measurement both on ferrous and non-ferrous metal

substrates. It is adaptable to specific tasks for instance they can be used on

special geometries or on materials with special properties. You can select the

probe mode via the MENU system.

Introduction

Features

ŸMeasured Coatings:

1. Non-magnetic coatings (e.g. paint, zinc) on steel;

2. Insulating coatings(e.g. paint, anodizing coatings) on no-ferrous metals

ŸEasy to operate MENU

ŸMemory for 1500 readings

ŸDelete single readings or all group readings

ŸError indication

ŸData transferred to PC via USB for analysis

ŸDisable Auto-Power-off function via MENU setting

ŸLCD display with backlight

ŸV-Groove sleeve

1. Working mode

2. Measured data quantity in the

working mode

3. Auto measure mode

4. Ferrous or No-ferrous metals

being measured. It will change

automatically in the Auto

measure mode

5. Battery indication

6. Measure data

7. Unit

8. Delete data, press Back button to

delete the current data

LCD Display

Tester Layout

1. LCD display

2. Select key: For ON/OFF, SELECT and OK

3. Up key: For upward selection and working mode switch

4. Clear Key: Calibration Zone of the FE and NFE

5. Housing

6. Back Key: For return or to delete the last measured data

7. Down key: For downward selection or working mode switch

8. Probe

9. Battery cover

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.

Displayed:

Low battery, replace battery immediately. The gauge will take faulty

measurements if the voltage is low.

Note: When the power is on, keep away from any metal at least 10cm away

before each measurement, zero calibration is recommended.

Ready to Start

1. Switch off the tester, remove the battery cover and remove batteries.

2. Insert new batteries, observing correct polarity and close the cover.

• Replace the batteries when the symbol “ ” is displayed........

• Use alkaline batteries only.

• Remove the batteries before any long period of non-use to avoid the

danger of corrosion.

Inserting/Replacing Batteries

Function & Operation Instruction

• Press the button to switch on the power. The gauge will automatically O

work in measuring mode.

• Press the SELECT button to enter the MENU mode.

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.

Select Measure Mode (Probe)

The probe has 3 (three) different modes:

AUTO: T he probe can automatically select the working mode. When placed

on steel (magnetic substrates), it will work in magnetic induction

principle. When placed on no-ferrous metals, it will work in eddy

current principle.

Fe: The probe works in magnetic induction principle.

No-Fe: The probe works in eddy current principle.

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.

Settings

Select Unit

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 UNIT

5. Press the SELECT button to ENTER

6. Press the UP/DOWN button to SELECT

7. Press the SELECT button for OK

Backlight Brightness Setting

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 BACKLIGHT

5. Press the SELECT button to ENTER

6. Press the UP/DOWN button to adjust the brightness of the BACKLIGHT

7. Press the BACK button to RETURN.

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. Press the SELECT button for OK

Adjust Gray Scale (Contrast)

Contrast adjustment: dot matrix LCD display may not be good in different

temperatures & humidity, you can adjust gray scale to get a better LCD display.

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 GRAY SCALE

5. Press the SELECT button to ENTER

6. Press the UP/DOWN button to ADJUST GRAY SCALE

7. Press the SELECT button for OK

System Information

System version number

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 INFORMATION

5. Press the SELECT button to ENTER

6. View the SYSTEM INFORMATION

7. Press the BACK button to RETURN

Data View

View the stored measured data in each mode.

All-delete: Delete all measured data in group.

1. Press the SELECT button to enter the MENU

2. Press the UP/DOWN button to SELECT VIEW

3. Press the SELECT button to ENTER VIEW

4. Press the UP/DOWN button to SELECT WORKING MODE

5. Press the SELECT button to ENTER

6. Press the UP/DOWN button to VIEW EACH DATA

7. Press the BACK button to RETURN or Press the SELECT button to

DELETE THIS GROUP DATA

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. Press the SELECT button to enter the MENU

2. Press the UP/DOWN button to SELECT CALIBRATION

3. Press the SELECT button to ENTER CALIBRATION

4. Press the UP/DOWN button to delete the ZERO-POINT of Fe or Non-Fe

5. Press the SELECT button for OK

6. Press the BACK button to RETURN

Delete Functions

In MENU system, you can find following function

• Delete current data: in measurement interface, you can delete the last

data entry by pressing the BACK button.

• Delete all data: Enter menu-view; you can delete all current data and

statistics

• Delete Group data: Enter menu-view-group data; you can delete this

group data by pressing the SELECT button

Trouble Shooting

The following list of error messages explains how to identify and eliminate

faults.

Err1 Fe probe fault

Err2 Non-Fe probe fault

Err3 Both probes.

Err4 Fe probe fault

Err5 Non-Fe probe fault

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

Guaranteed tolerance

(of reading)

0~1000um 0~1000um

±(2.5%+2um) ±(2.5%+2um)

1000~1350um (±3.5%) 1000~1350um (±3.5%)

0~39.3mils 0~39.3mils

(±2%±0.08 mils) (±2%±0.08 mils)

39.3~53.1mils (±3.5) 39.3~53.1mils (±3.5)

Minimum curvature radius 1.5mm 3.0mm

Diameter of Minimum area 7.0mm 5.0mm

Minimum measurable

thickness

0.5mm 0.3mm

Overload display — — —

Precision 0~100um (0.1urn) 0~100um (0.1urn)

100um~1000um (1um) 100um~1000um (1um)

1000um~1350um

(0.01 mm)

0~10mils (0.01mils)

10~53.1mils (0.1mils)

1000um~1350um

(0.01 mm)

0~10mils (0.01mils)

10~53.1mils (0.1mils)

Working temperature

Working relative humidity

Dimensions (H x W x D)

Weight

Power supply

0°C ~ 40°C (32°F ~ 104°F)

20% ~ 90%

2 x AAA 1.5V Batteries

113.5mm x 54mm x 27mm

110g

www.major-tech.com www.majortech.com.au

[email protected] [email protected]

MAJOR TECH (PTY) LTD

South Africa Australia

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