DMQ QC5 Series User manual

P/N: QC5 501 –ENG –Rev. 01 –February 2014

Chapter 1

First steps

1.1

Know the QC5

1.1.1

Front panel

1.1.2

Connectors

1.2

Install and replace batteries

1.3

Connecting the probe

1.4

The “Q” key

1.5

Display illumination and contrast

1.5.1

Display backlight illumination

1.5.2

Display contrast

1.6

Locking and unlocking the keypad

Chapter 2

Measuring with the QC5

2.1

Numerical measuring screen

2.2

Graphical measuring screen (Histogram)

2.3

Numerical measuring screen (Large Numbers)

2.4

Keypad functions in all measuring screens

2.5

Selecting the type of base

2.6

Calibration

2.6.1

Getting started with calibration

2.6.2

Base calibration

2.6.3

Shim 1 calibration

2.6.4

Shim 2 calibration

2.6.5

Calibration memories

2.6.6

Using offset correction

Chapter 3

Menu system and editing

3.1

Instructions on using the menu system

3.1.1

Text editor

3.2

Main menu

3.2.1

Change unit

3.2.2

Alarm settings

3.2.3

Select language

3.2.4

Unit information

3.3

General configuration options

3.3.1

Set time and date

3.3.2

Set time and date format

3.3.3

Set keypad sensitivity

3.3.4

Set auto-off time

3.3.5

Adjust display contrast

3.3.6

Beep activation

3.3.7

Introduction screen

3.3.8

Owner information

3.3.9

Lock configuration

3.3.10

Model upgrade licenses

3.3.11

Return to factory default settings

3.4

Measuring configuration options

3.4.1

Select type of base

3.4.2

Calibration modes

3.4.3

Offset correction

3.4.4

Set number of samples

3.4.5

Set shim values for quick calibration

3.4.6

Select measuring mode

3.4.7

Set histogram range

3.4.8

Layer counter configuration

3.4.9

Select measure mode (Abs / Diff)

Chapter 4

Using the Datalogger

4.1

Understanding how data is organized

4.2

Memory menu

4.3

Creating a file

III

4.4

Actions over single files

4.4.1

View data in a single file

4.4.2

The “Q” key in a grid

4.4.3

The “Q” key in a histogram

4.4.4

Send data from a single file

4.4.5

Rename a file

4.4.6

View file size

4.5

Actions over all files

4.5.1

Send all files

4.5.2

Erase all files

4.6

Quick memory menu (Mem key)

4.7

Connect to PC with DataCenter

4.8

Datalogger configuration

4.8.1

Configure communication

4.8.2

Capture modes

4.8.3

Set number of samples

4.8.4

Select fixed batch

4.9

Advanced configuration

4.9.1

Store every (N) number of samples

4.9.2

Record unit settings

4.9.3

Record date and time

Tips on how to measure correctly

Technical specifications

Additional information

Unit maintenance

QC5 accessories

Error messages

Our website: www.demeq.com

Technical support

And thank you for purchasing a QC5 coating thickness gauge.

At dmq we develop, manufacture and distribute software and quality

control instruments offering innovation and solutions that come as a

direct result of listening to your needs as a user. We apply some of the

latest technology available in the industry to build instruments that are

robust, precise, and easy to operate.

We are convinced that our products would not be complete without

permanent technical and after sales support. So in addition to a great

product we offer:

Quick answers to your inquiries.

Unlimited access to technical information as well as

application notes.

Special offers for registered customers.

Firmware and software upgrades at no charge.

Attention to your inquiries and suggestions.

We hope that the QC5 will meet and exceed your application needs.

The information included in this manual applies to all QC5 series

coating thickness gauges including models F, DLF, N, DLN, C and DLC.

dmq is a registered trademark of Demeq S.R.L and its affiliate

companies.

The information contained in this manual is intended to educate users

on the operation of the QC5 coating thickness gauges. Failure to read

and understand this manual can lead to measurement errors. Decisions

based on measurements and or results that are erroneous can lead to

property damage, personal injury or even death. Demeq S.R.L assumes

no responsibility as a result of the improper use of our instruments.

Correct use of a coating thickness gauge requires:

Knowing your test requirements.

Having a trained operator.

This manual provides all of the information needed to configure and

operate QC5 coating thickness gauges. However there are additional

factors that can affect tests done with this instrument. Specific

information on those factors is outside the scope of this manual. When

in doubt you should always seek expert advice or refer to specific

textbooks on coating thickness testing. Additional information can also

be found on the internet and through local government agencies as

well as in technical institutes.

When a low frequency magnetic field is applied on a ferrous substrate,

the signal induced by the coil inside the probe is proportional to the

distance between the probe and the base.

Figure 1: Ferrous base measuring principle

Induced currents are produced on the metal surface when a high

frequency field is applied. Induced currents and the signal obtained

from the coil are proportional to the distance with the base.

Figure 2: Non-Ferrous base measuring principle

Using the physical principles described above, the QC5 converts small

signal variations produced by the probe into precise and repetitive

measurements.

VII

ISO 2178, ASTM D1186 for models QC5 F & QC5 C; ISO 2360, ASTM

D1400, ASTM B244 for models QC5 N & QC5 C; and ASTM D7091,

ASTM E376 for all QC5 models.

All QC5 series coating thickness gauges are for industrial use only. The

QC5 operates on two AA size batteries. We strongly recommend that

you use only top brand name alkaline batteries.

Disposal of your QC5 and its components must be done in compliance

with all applicable regulations.

Because of its complexity level, software is never really completely error

free. For this reason in software controlled instruments always make

sure that the operations required for your application are in correct

working order.

Demeq S.R.L provides a limited warranty for a period of 5 (five) years

on electronic units and for 6 (six) months on probes from the date of

purchase.

Every instrument undergoes thorough testing during manufacturing as

well as before shipping. In the event warranty service where to become

necessary, Demeq S.R.L and or your local distributor or representative

will make a reasonable effort to replace your defective unit with

another new or used unit, while your instrument undergoes warranty

repair.

1 Chapter 1

Figure 1.1: Front of the unit

1. Graphic LCD display with LED backlight illumination

2. Move Left key / View partial statistics (Stat)

3. Move Up key / Manually store a value (Store)

4. Move Right key / Switch to graphical measure mode screen

(Graph)

5. Menu key / Enter and exit measure screen / Exit and return to

menus (Home)

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