DMQ QB7 Bedienungsanleitung
QB7 User Manual
Hall effect thickness gauge
P/N: QBD 701 – ENG – Rev. 01 – July 2020
QB7 Manual del Usuario
I
Index
Introduction
Measuring principle VII
Sensor accessories
VIII
Target balls VIII
Calibration fixtures IX
Target ball selection
XII
Using the sensor XIII
What can affect measurements XIII
Use of the sensor without the sensor stand
XIV
The QSet button XV
Security information XVI
Connecting the probe to the unit
XVI
Chapter 1 First steps
1.1 Knowing the QB7 1
1.1.1 Front panel 1
1.1.2
Connectors
2
1.2 Rechargeable battery 3
1.2.1 Battery level indicator 3
1.2.2 Charging the battery 3
1.3 Special keys 4
1.3.1 The “Q” key 4
1.3.2 Color backlight illumination 4
Chapter 2
Measuring with the QB7
2.1
Measuring screen modes
5
2.1.1 Large numbers mode (Easy reading) 5
2.1.2 Numeric screen mode-1 (Numerical) 6
2.1.3
Numeric screen mode-2 (Statistics)
7
2.1.4 Num. screen mode-3 (Wall tester) 7
QB7 User Manual
II
2.1.5
Graphic screen mode
8
2.2 Use of keys in measuring screens 9
2.3 Icon indicating unit condition 11
2.4
Target ball selection
12
2.5 Calibration 12
2.6 Changing the sensor tip 16
2.7
Sensor tip calibration
17
2.7.1 Tip cal menu 18
2.7.2 Tip adjustment 18
2.7.3
Tip calibration memory
20
Capitulo 3
Menu system and editing
3.1 Basic rules on the user interface 22
3.1.1 Using the menu system 22
3.1.2 Text editor 23
3.2 Main menu 25
3.2.1 Changing the measuring unit 25
3.2.2 Alarm settings 26
3.2.3
Select language
27
3.2.4 Unit information 27
3.3 General configuration 28
3.3.1 Set time and date 28
3.3.2 Time and date format 29
3.3.3 Set AutoOff time 29
3.3.4 Adjust display contrast 30
3.3.5 Set display color 30
3.3.6 Beep activation 31
3.3.7 Introduction screen 31
3.3.8 Owner information 31
3.3.9 Lock configurations 33
3.3.10 Model upgrade license 34
3.3.11 Set factory defaults 35
QB7 User Manual
III
3.4
Measuring configuration options
36
3.4.1 Target ball selection 36
3.4.2 Set histogram range 37
3.4.3
Set histogram size
38
3.4.4 Set measuring mode 38
3.4.5 Measuring refresh rate 39
3.4.6
Select QSet button function
40
3.4.7 Select external pedal function 41
3.4.8 Configure send in RS232 41
3.4.9
Hold last measurement
42
3.4.10 EZ-Cal calibration editor 42
3.4.11 Probe information 43
Chapter 4 Using the Datalogger
4.1 Understanding how data is organized 44
4.2 Memory menu 45
4.3 Creating a new file 45
4.4 Actions over single files 46
4.4.1
View data in a single file
47
4.4.2 Use of the “Q” key in a grid 48
4.4.3 Use of the “Q” key in a histograma 49
4.4.4 Rename a file 49
4.4.5 Send data from a single file 50
4.4.6 View file size 50
4.5 Actions over all files 50
4.5.1 Send all files 50
4.5.2 Erase all files 51
4.6 Direct memory access (Mem key) 52
4.7 Connecting to a PC with DataCenter 53
4.8 Datalogger configuration 54
4.8.1 Configure communication 54
4.8.2 Search for Bluetooth device 55
QB7 User Manual
IV
4.8.3
Show receiving Bluetooth device
56
4.8.4 Pair Bluetooth device 57
4.8.5 Data capture modes 57
4.8.6
Advanced memory config options
58
4.8.7 Store every X measurements 58
4.8.8 Enable or disable history 59
4.8.9
Configure time and date options
59
Apendix
Tips on how to measure correctly 60
Accuracy 61
Taking care of the probe 61
Technical specifications 62
Additional information 64
Unit maintenance 64
QB7 accessories 65
Error messages
67
Proper disposal 68
Our website: www.demeq.com 69
Technical support 69
QB7 User Manual
V
Thank you for choosing a dmq instrument
And thank you for purchasing a QB7 hall effect thickness gauge.
Company declaration
At Demeq 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 and demands 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 quality
products we offer:
•Quick answers to your inquiries.
•Unlimited access to technical information as well as
application notes.
•Firmware and software upgrades at no charge.
•Attention to your inquiries and suggestions.
We hope that the QB7 will meet and exceed your application needs.
QB7 User Manual
VI
General information
Models included in this manual
Information included in this manual applies to QB7 hall effect
thickness gauge models QB7 B and QB7 E.
Registered trademarks
dmq is a registered trademark of Demeq S.R.L and its affiliate
companies.
Important notice
The information contained in this manual is intended to educate
users on the operation of QB7 hall effect 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 improper use of our
instruments.
User training
Correct use of a QB7 hall effect thickness gauge requires that you
take all of the following into consideration:
•Select the sensor tip and target ball best suited for your
application.
•Know the specific requirements for the test you will be
conducting.
•Make sure that the person operating the unit has been
trained on its use.
QB7 User Manual
VII
This manual provides all of the information needed to configure and
operate a QB7 hall effect thickness gauge. 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. Additional information can also be found on
the internet and through local government agencies as well as in
technical institutes.
Measuring principle
The QB7 uses a strong magnetic field to attract a steel or magnetic
ball that when reaching the tip of the probe affects its magnetic field.
Using a hall effect sensor the unit measures changes in the magnetic
field that are then converted to the thickness values seen on the unit
screen.
Figure 1: Details on the probe operation
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