Mahr Millimar C 1202 User manual

Compact length measuring instrument
3723010
Mahr GmbH
Carl-Mahr-Straße 1
D-37073 Göttingen
Tel. [phone]
[e-mail], www.mahr.com
0522
Millimar C 1202
Operating Instructions
Valid from firmware version 1.0.0.1

2Mahr GmbH • Millimar C1202
Dear customer,
Thank you for choosing a product by Mahr GmbH. We kindly request that you follow the instructions
below to ensure the long-term precision of your instrument.
We operate a policy of continuous improvement and are constantly developing our products. Therefore,
it is possible that there may be slight differences between the text and illustrations in this document and
the instrument in your possession, especially with regard to type designations. We reserve the right to
make changes to the design and scope of supply, the right to undertake further technical developments,
and all rights relating to translation of this documentation.
© by Mahr GmbH
The following symbols are used in these operating instructions:
General information
!Caution
Caution, hazard
Failure to follow instructions marked with this symbol can cause inaccurate results and lead to
equipment damage.
Introduction
Permitted uses
The Millimar C 1202 is an electronic length measuring and evaluation instrument for use in production.
Depending on the N 1700 module used, e.g. two inductive or incremental measuring probes, one or two
pneumatic measuring instruments can be connected.
The operating, maintenance and repair information detailed in this quick guide and these operating
instructions must be followed.
To gain maximum benet from this measuring instrument, you must read the instructions before placing
it into operation.
The measuring instrument is most accurate after a warm-up period of at least 30 minutes.
The Millimar C 1202 must only be used with the supplied AC adapter.
The full operating instructions can be downloaded at:
www.mahr.com/products, on the product page.
The scope of delivery of the length measuring instrument includes:
- Millimar C 1202 measuring instrument
- AC adapter with interchangeable adapters
- Bus termination module
- Micro SD memory card
- Quick guide

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Mahr GmbH • Millimar C1202
!Forfeiture of warranty
Service work caused by viruses that were introduced via a network connection or other data
carrier, are generally excluded from warranty services.
Storage temperatures below -10°C or above +50°C and relative humidity levels above 85%
will invalidate the warranty for the instrument.
Safety information
This instrument complies with the relevant safety regulations. It was dispatched from our
production facility in a good condition and perfect working order. However, failure to follow
the instructions given below can cause personal injury or death.
1. Before you connect up and use the measuring instrument for the rst time, please read
the accompanying documentation.
Follow the safety precautions detailed in the quick guide and operating instructions.
2. Keep the documentation close to the measuring instrument ready for quick reference.
3. Follow all safety precautions, accident prevention regulations and internal company
rules and guidelines. If necessary you should request further information from your
company safety ofcer.
4. Before connecting up this measuring instrument, please check the local mains supply
voltage to ensure that it is within the working range of the AC adaptor (100V - 240V,
50Hz - 60Hz).
If they do not match, this measuring instrument must not be connected under any
circumstances!
5. The instrument may only be connected to a grounded power socket which complies
with the regulations of the local power supply company.
This also applies to any extension cables that are used.
6. Only use original and intact AC adapters.
7. When connecting inductive probes ensure that the plugs are rmly screwed onto the
connection sockets.
8. Do not drop the instrument and make sure it is positioned securely.
9. Do not operate the instrument in areas where there is a risk of explosion and do not
expose it to direct sunlight!
10. Do not clean the membrane keypad with solvent-based cleaning agents.
11. The instrument must not be opened.
12. The test and measuring equipment, for which the Millimar is used, is subject to
inspection equipment monitoring.
For this reason, regular inspection equipment monitoring performed by either the user
or Mahr Service must ensure compliance with the specied error limits for the test and
measuring equipment.

4Mahr GmbH • Millimar C1202
Conrmation of traceability
We declare, with sole responsibility, that this product conforms with standards and
technical data as specied in our sales documents (operating instructions, leaet, catalog).
We certify that the testing equipment used to check this product, and guaranteed by our
Quality Assurance, is traceable to national standards.
Thank you for placing your trust in us by purchasing this product.
Important notes prior to using the length measuring instrument
• The measuring instrument may only be used for its intended purpose. No liability will be
accepted for damages caused by other usage or as a result of the incorrect application
of this measuring instrument.
• Should your measuring task not be solved with this measuring instrument, we can offer
you another solution from our product range. Please provide us with details of your
measuring task.
!Do not use an electric marking tool.
Disposal information
Electronic equipment which was purchased from Mahr after March 23, 2006 can be returned
to us. We will dispose of this equipment in an environmentally-friendly way.
The valid EU directives (WEEE, ElektroG) apply.
EC Declaration of Conformity
This instrument complies with the applicable EU directives.
The most up-to-date Declaration of Conformity can be downloaded at:
www.mahr.com/products, on the product page.

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Mahr GmbH • Millimar C1202
Table of contents
1 Delivery and connection..........................................................................................8
1.1 Unpacking.......................................................................................................................... 8
1.2 Scope of delivery............................................................................................................. 10
1.3 Using the measuring module ......................................................................................... 11
1.4 Symbols ........................................................................................................................... 12
1.5 Operating elements and interfaces................................................................................ 14
1.5.1 Display and operating keys............................................................................................. 14
1.5.2 Keys with dual function .................................................................................................. 15
1.5.3 Mode display for master measurement ........................................................................ 16
1.5.4 Ports................................................................................................................................. 16
2 Initial operation.....................................................................................................17
2.1 Switching ON................................................................................................................... 17
2.2 Selecting the display language....................................................................................... 17
2.3 Setting the measurement unit........................................................................................ 17
2.4 Connecting the measuring probe................................................................................... 18
2.5 Selecting the probe type................................................................................................. 18
2.6 Setting up the probe........................................................................................................ 20
2.7 Measuring screen ........................................................................................................... 21
2.8 Switching OFF ................................................................................................................. 21
3 Conguring the Feature menu...............................................................................22
3.1 Select feature .................................................................................................................. 22
3.2 Conguring the feature................................................................................................... 22
3.2.1 Formula............................................................................................................................ 22
3.2.1.1Factor............................................................................................................................... 23
3.2.1.2 Function .......................................................................................................................... 24
3.2.1.3 Connection...................................................................................................................... 26
3.2.1.4 Divisor ............................................................................................................................. 27
Order no. Last modication Version
3723010 07/26/2021 Valid from rmware version 1.0.0.1

6Mahr GmbH • Millimar C1202
3.2.2 Master.............................................................................................................................. 29
3.2.2.1 One-point master measurement.................................................................................... 29
3.2.2.2 Two-point master measurement ................................................................................... 30
3.2.3 Nominal value.................................................................................................................. 34
3.2.4 Tolerance ......................................................................................................................... 35
3.2.5 Warning limits.................................................................................................................. 38
3.2.6 Resolution........................................................................................................................ 41
3.2.6.1 Length resolution............................................................................................................ 41
3.2.6.2 Resolution angle............................................................................................................. 42
3.2.7 Name................................................................................................................................ 42
3.2.8 Display style..................................................................................................................... 43
3.2.9 Display center at.............................................................................................................. 45
4 Display menu........................................................................................................46
4.1 Brightness........................................................................................................................ 46
4.2 Screensaver..................................................................................................................... 46
5 Setup....................................................................................................................47
5.1 Setup 1............................................................................................................................. 47
5.1.1 Feature selection............................................................................................................. 47
5.1.2 Unit length........................................................................................................................ 48
5.1.3 Unit angle......................................................................................................................... 48
5.1.4 Master measurement mode........................................................................................... 49
5.1.5 Number of masters......................................................................................................... 50
5.1.6 Master reset .................................................................................................................... 50
5.2 Setup 2............................................................................................................................. 51
5.2.1 Foot switch (switching input)......................................................................................... 51
5.2.2 Sending data.................................................................................................................... 53
5.2.3 Work mode ...................................................................................................................... 54
5.2.4 Measuring time ............................................................................................................... 56
5.2.5 Break time........................................................................................................................ 57
5.2.6 Start delay........................................................................................................................ 58
5.3 Setup 3............................................................................................................................. 60
5.3.1 Factor C1 ......................................................................................................................... 60
5.3.2 Factor C2 ......................................................................................................................... 60

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5.3.3 Probe type C1 .................................................................................................................. 61
5.3.4 Probe type C2 .................................................................................................................. 61
5.3.5 Filters (Average of n-values)........................................................................................... 62
6 System .................................................................................................................63
6.1 System 1 .......................................................................................................................... 63
6.1.1 Setting up the transducer ............................................................................................... 63
6.1.2 Calibration........................................................................................................................ 64
6.1.2.1 Calibration C1 ................................................................................................................. 64
6.1.2.1.1 Customer calibration activation ................................................................................. 64
6.1.2.1.2 Performing customer calibration ............................................................................... 65
6.1.2.1.3 Activating a factory calibration................................................................................... 68
6.1.2.2 Correction C2.................................................................................................................. 68
6.1.2.3 Symmetry C1 to C2......................................................................................................... 69
6.1.3 Factory settings............................................................................................................... 72
6.1.4 Menu interlock................................................................................................................. 73
6.1.5 Info ................................................................................................................................... 75
6.1.6 Selecting the language ................................................................................................... 75
6.2 System 2 .......................................................................................................................... 76
6.2.1 Updating module N 1700................................................................................................ 76
6.2.2 Managing parameters..................................................................................................... 77
6.2.3 Miscellaneous ................................................................................................................. 79
6.2.4 Service ............................................................................................................................. 80
7 Description of the interfaces.................................................................................81
7.1 Compatible data cables.................................................................................................. 81
7.2 Data transmission parameters....................................................................................... 82
8 Technical data ......................................................................................................84
8.1 Compact length measuring instrument Millimar C 1202 ............................................. 84
8.2 Compatible probes for the Millimar C 1202 .................................................................. 86
9 Accessories..........................................................................................................88
9.1 Compatible N 1700 measuring modules....................................................................... 88
9.2 Other accessories ........................................................................................................... 88

8Mahr GmbH • Millimar C1202
1
3
2
4
1 Delivery and connection
1.1 Unpacking

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Mahr GmbH • Millimar C1202
micro SD
B
A
5
6

10 Mahr GmbH • Millimar C1202
micro SD
B
A
1.2 Scope of delivery
Slot for Micro SD memory card
Scope of delivery
– Millimar C 1202
– Power supply unit with
interchangeable adapter
– Bus termination module
– Micro SD memory card
– Quick guide
Bus termination module tted in C 1202

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Mahr GmbH • Millimar C1202
1.3 Using the measuring module
!Measuring module N 1700 is not included with delivery of the C 1202.
A measuring module is required to operate the C 1202.
– Slide measuring module N 1700 with
bus termination module onto the rail
as far as the stop.
– Push the two red slide catches down
so that the measuring module and
the bus termination module cannot
come out accidentally.
Measuring module N1700 is
removed in the reverse order.
Compatible N 1700 measuring modules:
5331120 Millimar N 1702 M Module for 2 inductive probes
5331121 Millimar N 1702 T Module for 2 inductive probes
5331122 Millimar N 1702 U Module for 2 inductive probes
5331125 Millimar N 1702 M-HR Module for 2 inductive probes
5331161 Millimar N 1702 Vss * Module for 2 incremental probes
5331150 Millimar N 1701 PM-2500 Module for 1 pneumatic measuring instrument
5331151 Millimar N 1701 PM-5000 Module for 1 pneumatic measuring instrument
5331152 Millimar N 1701 PM-10000 Module for 1 pneum. measuring instrument
5331155 Millimar N 1701 PF-2500/5000 Module for 1 pneum. measuring instrument
5331156 Millimar N 1701 PF-PF25./50. 4-J Module for 1 pneum. measuring instrument
5331157 Millimar N 1701 PF-10000 Module for 1 pneum. measuring instrument
Up to two N 1701 PM and N 1701 PF measuring modules can be used at the same time.
* from rmware C 1202 version 1.1.0.0
Bus termination module N 1700 module C 1202
Slide catch

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0
0
0
0
0
0
0
0
0
0
0
0
1.4 Symbols
Start screen
Select menu
Set zero point
Set zero point
manual
Set zero point
sequential
Set zero point
parallel
Set zero point.
Hold down
Toggle function
Reset max, min memory.
Hold down
Toggle function
Set zero point
manual
Hold down
Toggle function
Reset max, min memory
manual
Hold down
Toggle function
Set zero point
sequential
Hold down
Toggle function
Reset max, min memory
sequential
Hold down
Toggle function
Set zero point
parallel
Hold down
Toggle function
Reset max, min memory
parallel
Hold down
Toggle function
Data transfer disabled, no con-
nection
Data transfer
Data transfer
Manual, disabled
Data transfer
manual
Data transfer
Sequential, disabled
Data transfer
sequential
Data transfer
Parallel, disabled
Data transfer
parallel
Reduce the resolution Increase the resolution
Reduce the resolution
Hold down
Toggle function
Increase the resolution
Hold down
Toggle function
Selecting a feature

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Mahr GmbH • Millimar C1202
Settings menu
Select menu Exit menu
Scroll to the left Scroll to the right
Scroll down Scroll up
Select submenu
Conrm selection/entry Cancel submenu/entry
Select item Deselect item
Save settings to memory card Delete le from memory card
"Time controlled"measuring mode
Start measurement
Pause measurement Stop measurement
Reset max, min memory.
Select feature
Hold down
Toggle function
Select feature disabled
Hold down
Toggle function
Start measurement
Hold down
Toggle function

14 Mahr GmbH • Millimar C1202
1.5 Operating elements and interfaces
1.5.1 Display and operating keys Display
Operating keys
Scale
Master measurement
active
Warning limit
Measured value
Tolerance limit Unit
Measuring
channel active
Scale end value
Angle in
degrees
Feature 1
Feature 2
Feature 3
Key function
Hand for selecting a feature

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Mahr GmbH • Millimar C1202
0
0
0
1.5.2 Keys with dual function
Some keys have two functions.
Pressing the key for longer than two
seconds toggles the function.
"Parallel"mode
Active function
Second function
Increase scale resolution Reduce scale resolution
Hand, select feature Start measurement in
time controlled mode
Master measurement Reset extreme value memory

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0
0
0
Mains connection
1.5.4 Ports
Data output
Foot switch port
1.5.3 Mode display for master measurement
Manual mode
=> Master measurement is performed
for the feature at which the hand is
pointing
Sequential mode
=> Master measurement is performed
for the feature at which the
hand is pointing. Hand switches
automatically to next feature. The
master measurement can now be
performed for this feature.
Parallel mode
=> Master measurement is performed
for all active features at the same
time.
Slot for Micro SD
memory card
Measuring probe input C1 and C2

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Mahr GmbH • Millimar C1202
2 Initial operation
2.1 Switching ON
– Connect the mains adapter to the
measuring instrument and mains
socket
– Press the ON / OFF key
=> The following appears on the display:
Start screen
2.3 Setting the measurement unit
– Select the relevant measuring unit
with ▼or ▲
– Conrm entry by pressing key 4
2.2 Selecting the display language
– Select the relevant language with ▼
or ▲
– Conrm entry by pressing key 4

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2.4 Connecting the measuring probe
– Connect the measuring probe to
probe input C1
2.5 Selecting the probe type
Press the ON/OFF key
=> Menu appears
– Select Setup 3 with
▼
or
▼
and
– Select submenu Probe type C1 with
▼or ▲
– Select using 4key or exit submenu
using Ókey
Probe input C1 and C2

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Mahr GmbH • Millimar C1202
!The instrument is most accurate after approx. 30 minutes of operation. Inductive
measuring probes should be mechanically set to the electrical zero point before the
rst measurement. To do this, use the Absolute mode that indicates the raw value or
absolute value of the probe.
– Select the relevant measuring probe
type using ▼or ▲
=> See Technical Data in the operating
instructions for compatible
measuring probes.
– Conrm entry by pressing 4key or
cancel with Ókey
– Exit submenu with Óor exit the
settings menu by pressing the
key.

20 Mahr GmbH • Millimar C1202
2.6 Setting up the probe
– Press the ON/OFF key
=> Menu appears
–Select System 1 with
▼
or
▼
and
– Select Absolute mode with ▼
– Conrm entry with 4 key or exit
submenu with Ó key
One or two measuring channels will
appear. Depends on N 1700 module
used. The value displayed is the
direct value from the measuring
sensor.
–Adjust measuring probe
mechanically close to "0"
– The scaling can be adjusted with the
▼
▼
or
▼
▼
key
–Exit the settings menu by pressing
the key.