Triplett CTT47 User manual

User Manual

CTT47

Coating Thickness Tester

Introduction

Thank you for selecting the Triplett CTT47 Coating Thickness Tester.

The CTT47 is a portable meter designed for non‐invasive coating

thickness measurements with automatic recognition of the substrate

material under test.

The meter uses two measurement methods: magnetic induction (for

ferrous metal substrates) and eddy current (for non‐ferrous metal

substrates).

The CTT47 meter can connect to a PC via USB and transmit recorded

data for further analysis and for generating report documentation.

Proper use and care of this meter will provide many years of reliable

service.

Features

Measured Coatings: Non‐magnetic coatings (e.g. paint,

zinc) on steel; Insulated Coatings (e.g. paint, anodized

coatings) on non‐ferrous metals

Intuitive menu‐based programming

Memory storage of up to 1500 readings in 30 groups (50

readings per group)

Delete single readings or all groups easily

Auto Power OFF with disable feature

Data transfer to PC via USB

User Zero Calibration ability

Applications

Corrosion protection

Paint Shops and Electroplaters

Chemical, Automobile, Shipbuilding, and Aircraft

industries Laboratory, Workshop, and Field use

Probe Description

The CTT47 probe is spring mounted in the sensor sleeve. This ensures

safe and stable positioning of the probe and ensures constant contact

pressure.

A V‐groove in the sleeve of the probe facilitates reliable readings on

small cylindrical parts. The hemispherical tip of the probe is made of

hard and durable material.

Measuring metallic coatings

This meter can measure non‐magnetic metal coatings (Zinc) on a

magnetic (ferrous) substance base, and non‐metal coatings on a

metal base (ferrous or non‐ferrous).

Description

Meter Description

1. LCD display

2. Power and Select button

3. Up arrow

4. Zero Button

5. Micro USB Connector

6. Back Button

7. Down Arrow

8. Sensor

Note: Battery compartment on rear of meter

Display Description

1. Data record memory group

number

2. Record Number in current

memory group

3. Battery status icon

4. Measurement units: µm or

mils

5. DEL (Delete): Press the back ( ) button to delete the

previous reading

6. Metal type (FE=ferrous, NFE=non‐ferrous)

7. Automatic (Auto) metal detect mode

Operation

Meter Power

Install two ‘AAA’ 1.5 V batteries into the rear battery compartment.

Press the power button to switch the meter ON. The display will

switch ON. If the display does not switch ON, install or replace the

batteries. When powering up, please keep the meter at least 10cm

(4”) from metal objects. Replace the batteries when the battery

status icon appears low, the meter will give inaccurate readings if the

battery voltage falls very low.

Measurements

Before each measurement session please perform a Zero Calibration

as described later in this User Guide.

Practice with the film and zero reference metal substrates to learn how

the meter operates before moving to a professional application. The

heavier metal substrate is the ferrous (magnetic) zero substrate (Fe)

and the lighter metal substrate (Al) is the non‐ferrous (non‐magnetic)

zero substrate. In Auto mode, the meter automatically senses ferrous

and non‐ferrous substrates.

1. Place a reference film (250µm, for example) on the ferrous

substrate (FE).

2. Power the meter on by pressing the power button.

3. Place the spring‐loaded meter sensor against the reference film.

4. The meter will emit an audible tone indicating that the

measurement has been taken.

5. The LCD will show the reading at the center of the display area.

6. For a typical display see the Display description diagram.

Automatic Power OFF

In order to conserve battery life, the meter will automatically turn off

after approximately 3 minutes. To defeat this feature, use the

programming menu detailed in the next section (menu parameter

AUTO POWER OFF under SET).

Programming Menu

The meter can be configured and calibrated through simple button

presses in the programming menu.

Press the SEL button to access the menu; refer to the menu

‘tree’ below.

Use the UP/DOWN buttons to scroll the menu

Use the SEL button to select the highlighted mode

Use the ( ) button to exit or back out of a mode

Other button presses are mode specific, follow on‐screen

prompts explained below.

In the table below the factory default settings are in bold with an

asterisk (*).

Each parameter is explained in detail in the subsequent sections.

Top level

Sub level 1

Sub level 2

Description

WORKING

MODE

Group 1…30

Shows Memory Groups and

the number

of readings in each group

(Group 0 has no memory)

MEASURE

MODE

NFE, FE, Auto*

Non‐Ferrous, Ferrous, or

Auto

(Automatic) Metal selection

SET

Unit settings

µm*

Micrometers

mil

Mils = mm * 2.54 / 100

Backlight

Increase/decrease backlight using up/down

arrows

Auto Power

OFF

Enable*

Allows Auto Power OFF

Disable

Defeats Auto Power OFF

feature

Contrast

Increase/decrease contrast using up/down

arrows

Info

Shows firmware version number and model

number

MEASURE

VIEW

View or delete stored data in all groups or selected groups

CALIBRATION

CAL Zero of FE

Perform FE Zero Calibration (refer to

Calibration section)

CAL Zero of

NFE

Perform NFE Zero Calibration (refer to

Calibration section)

Delete Zero of

Delete FE Zero Calibration data

Delete Zero of

NFE

Delete NFE Zero Calibration data

NOTE: Disable the Auto Power OFF feature before lengthy programming to

avoid inconvenient automatic power down while programming.

WORKING MODE

1. Press the LEFT button (SEL) to access the menu.

2. Scroll to WORKING MODE (if necessary) using up/down buttons.

3. Press the LEFT button (SELECT) to open WORKING MODE.

4. Use the UP and DOWN buttons to scroll through the groups and to

see the number of saved readings in each group. Group 0 does not

have memory.

5. Press the LEFT button (SELECT) to select the group and exit Working

mode and return to the main menu or press the RIGHT button ( )

twice to return to the normal operating mode.

MEASURE MODE

1. Press the LEFT button (SEL) to access the programming menu

2. Use the UP/DOWN buttons to scroll to the Measure Mode

3. Press the LEFT button (SELECT) to select the Measure Mode

4. Use the UP/DOWN buttons to

scroll to Auto, FE, or NFE. Press

the LEFT button (SELECT) to

make a selection.

AUTO mode ‐the meter automatically recognizes the

metal that is being measured. Ferrous (FE) Mode ‐the

Magnetic induction measurement mode is used. Non‐

Ferrous (NFE) Mode ‐the eddy current measurement

mode is used.

5. Press the RIGHT button ( ) to return to the normal operating

mode.

SET

1. Press the LEFT button (SEL) to access the menu.

2. Use the UP/DOWN arrows to scroll to SET.

3. Press the LEFT button (SELECT) to open the SET menu.

4. Use the UP and DOWN buttons to scroll through the selections.

5. Press the Left button (SELECT) to open the selected item.

a. Units of measure selections

Select µm or mil using the arrow buttons (µm = micrometers;

mils). Press the LEFT button (SELECT) button to confirm and

to return to the SET menu (otherwise press the right button (

) to abort the edit and return to the SET menu).

b. Backlight

Use the UP and DOWN arrows to adjust the

brightness of the backlight. Press the RIGHT

button ( ) to confirm and return to the SET

menu.

c. Auto Power OFF

Select ENABLE or DISABLE using the arrow buttons. When

enabled, the meter automatically switches OFF after 3

minutes of inactivity. When disabled, the meter will only

switch OFF with a power button press or when the battery

power is weak.

Press the LEFT button (SELECT) button to confirm and to

return to the SET menu (otherwise press the right button ( )

to abort the edit and return to the SET menu).

d. Contrast

Use the UP and DOWN arrows to adjust the

display contrast up or down. Press the LEFT button

(OK) button to confirm and to return to the SET

(otherwise press the right button ( ) to abort the edit and

return to the SET menu).

e. Info

The model number and firmware version level are displayed.

Press the right button ( ) to exit to the SET menu.

MEASURE VIEW

The Measure View menu allows for scrolling through the readings in all

of the groups.

Readings can be viewed or deleted in this mode.

1. Press the LEFT button (SEL) to access the main menu.

2. Use the DOWN ARROW button to scroll down to MEASURE VIEW.

3. Press LEFT (SELECT) to open the MEASURE VIEW parameter.

4. Use the UP/DOWN ARROW buttons to scroll through the groups of

stored readings.

5. When a group is highlighted that contains stored readings, use the

LEFT (SELECT) button to open the readings list. Now use the

UP/DOWN arrows to view the readings. Press the LEFT button

(Delete Group) to delete all readings in this Group or press the

RIGHT button ( ) to return to the main Group list.

6. Highlight ‘Delete All’ and press the LEFT button (SELECT) to

delete all of the readings in all groups. Otherwise press the

RIGHT button ( ) to return to the previous menu.

CALIBRATION

The Calibration menu allows the user to perform a Ferrous (Zero FE) or

non‐ferrous (Zero NFE) ZERO Calibration. The Calibration menu also

allows the user to delete ZERO calibration data for both ferrous (Zero

F) and non‐ferrous (Zero N) modes.

1. Press the LEFT button (SEL) to access the main menu.

2. Use the DOWN button to scroll to CALIBRATION.

3. Press LEFT (SELECT) to open the CALIBRATION parameter.

4. To perform a ZERO Calibration, refer to Zero Calibration in the next

section.

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