Burster TRANS CAL 7281 User manual

OPERATION MANUAL
TRANS CAL
Model 7281
© 2018 burster
präzisionsmesstechnik gmbh & co kg
All rights reserved
Valid from: 04.12.2018
Manufacturer:
burster
präzisionsmesstechnik gmbh & co kg
Talstraße 1 - 5 Postfach 1432
D-76593 Gernsbach D-76593 Gernsbach
Germany Germany
Tel.: [phone]
Fax.: [phone]
E-Mail: [e-mail]
www.burster.com
2820-BA7281EN-5999-121530
OPERATION MANUAL
TRANS CAL
Model 7281

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Exclusion of warranty liability for operating manuals
All information in the present documentation was prepared and compiled with great care and
reproduced subject to effective control measures. No warranty is provided for freedom from errors.
We reserve the right to make technical changes. The present information as well as the corresponding
technical data can change without notice. Reproduction of any part of this documentation or its
processing or revision using electronic systems is prohibited without the manufacturer‘s prior written
approval.
Components, devices and measured value sensors made by burster praezisionsmesstechnik
(hereinafter referred to as "product") are the results of targeted development and meticulous research.
As of the date of delivery, burster provides a warranty for the proper condition and functioning of these
products covering material and production defects for the period specied in the warranty document
accompanying the product. However, burster excludes guarantee or warranty obligations as well as
any liability beyond that for consequential damage caused by improper use of the product, in particular
the implied warranty of success in the market as well as the suitability of the product for a particular
purpose. Furthermore, burster assumes no liability for direct, indirect or incidental damages as well as
consequential or other damages arising from the provision and use of the present documentation.

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EU-Konformitätserklärung(nach EN ISO/IEC 17050-1:2010)
EU-Declaration of conformity (in accordance with EN ISO/IEC 17050-1:2010)
Name des Ausstellers:
burster präzisionsmesstechnik gmbh & co kg
Issuer’s name:
Anschrift des Ausstellers:
Talstr. 1-5
Issuer’s address:
76593 Gernsbach, Germany
Gegenstand der Erklärung:
Mobiles Hochpräzisions-Kalibrier- und Prüfgerät für mechanische und elektrische Größen
Object of the declaration:
Mobile High-Precision Calibrator and Testing Device
for mechanical and electrical
measurements
Modellnummer(n) (Typ):
TRANS CAL 7281
Model number / type:
Diese Erklärung beinhaltet obengenannte Produkte mit allen Optionen
This declaration covers all options of the above product(s)
Das oben beschriebene Produkt ist konform mit den Anforderungen der folgenden Dokumente:
The object of the declaration described above is in conformity with the requirements of the following documents:
Dokument-Nr.
Titel
Ausgabe
Documents No.
Title
Edition
2011/65/EURichtlinie zur Beschränkung der Verwendung bestimmter gefährlicher Stoffe in
Elektro- und Elektronikgeräten
2011
Directive on the restriction of the use of certain hazardous substances in
electrical and electronic equipment
2014/30/EURichtlinie zur Harmonisierung der Rechtsvorschriften der Mitgliedsstaaten über
die Elektromagnetische Verträglichkeit
2014
Directive on the harmonization of the laws of the Member States relating to
electromagnetic compatibility
EN 61326-1 Elektrische Mess-, Steuer-, Regel- und Laborgeräte –
EMV-Anforderungen –Teil 1: Allgemeine Anforderungen
2013
Electrical equipment for measurement, control and laboratory use –
EMC requirements –Part 1: General requirements
EN 55011 Industrielle, wissenschaftliche und medizinische Geräte –Funkstörungen –
Grenzwerte und Messverfahren
2009
Industrial, scientific and medical equipment –Radio-frequency disturbance
characteristics –Limits and methods of measurement
Gernsbach
20.04.2016
i.V. Christian Karius
Ort / place
Datum / date
Quality Manager
Dieses Dokument ist entsprechend EN ISO/IEC 17050-1:2010 Abs. 6.1g ohne Unterschrift gültig
According EN ISO/IEC 17050 this document is valid without a signature.

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Table of contents
1. Safety instructions ............................................................................................. 7
1.1. Symbols in this manual ................................................................................ 7
1.1.1. Signal words...................................................................................... 7
1.1.2. Pictograms ........................................................................................ 7
1.2. Symbols on the device ................................................................................. 8
2. Introduction......................................................................................................... 9
2.1. Intended use ................................................................................................9
2.2. Customer service ....................................................................................... 10
2.2.1. Customer service department ......................................................... 10
2.2.2. Contact person................................................................................ 10
2.3. Environmental conditions ........................................................................... 10
2.3.1. Storage conditions .......................................................................... 10
2.3.2. Conditions of use ............................................................................ 10
2.3.3. Restrictions on use.......................................................................... 11
2.3.4. Cleaning .......................................................................................... 11
2.4. Personnel ................................................................................................... 11
2.5. Scope of delivery........................................................................................ 12
2.6. Unpacking ..................................................................................................12
2.7. Warranty..................................................................................................... 12
2.8. Conversions and modications .................................................................. 13
3. Device design.................................................................................................... 14
3.1. Versions ..................................................................................................... 14
3.2. Voltage supply............................................................................................ 14
3.2.1. Using rechargeable batteries .......................................................... 15
3.2.2. Using non-rechargeable batteries ................................................... 17
3.2.3. Mains/charging operation................................................................ 17
3.3. What the LEDs mean ................................................................................. 17
4. Controls and connections ............................................................................... 19
4.1. Controls...................................................................................................... 19
4.2. Menu navigation......................................................................................... 19
4.3. Menu structure ........................................................................................... 20
4.4. Connections ...............................................................................................21
4.4.1. Sub-D female connector (measurement, sensor test,
voltage source)................................................................................ 21
4.4.2. Sub-D male connector (device test, strain gauge simulator) .......... 22

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4.4.3. Power adapter................................................................................. 22
4.4.4. USB interface .................................................................................. 22
4.5. Supported sensors ..................................................................................... 23
5. Usingtheinstrumentforthersttime ........................................................... 24
5.1. Language and device information .............................................................. 24
5.1.1. Select user language ...................................................................... 24
5.1.2. Retrieving instrument information ................................................... 25
6. General instrument functions and operation................................................. 27
6.1. TRANS CAL model 7281-V0000................................................................ 27
6.2. TRANS CAL model 7281-V0001................................................................ 27
6.3. Basic setup.................................................................................................28
6.3.1. TRANS CAL model 7281-V0000..................................................... 28
6.3.2. TRANS CAL model 7281-V0001..................................................... 29
7. Operation mode "Measurement".....................................................................31
7.1. Menu "Conguration" ................................................................................. 31
7.1.1. Prog Number................................................................................... 31
7.1.2. Name............................................................................................... 32
7.2. Channel setup ............................................................................................32
7.2.1. Strain gauge based sensors (load cells, pressure sensors, etc.).... 32
7.2.2. Potentiometric sensors.................................................................... 34
7.2.3. Voltage 0 ... 10 VDC........................................................................ 34
7.2.4. Transmitters (load cells, pressure sensors, etc.) ............................ 35
7.2.5. "burster TEDS" sensors .................................................................. 35
7.3. Comparator ................................................................................................37
7.3.1. Statistic comparator mode .............................................................. 38
7.3.2. Dynamic comparator mode ............................................................. 38
7.4. Standard settings / factory settings "Prog Reset!" ..................................... 39
7.5. Data logger.................................................................................................39
7.5.1. "Auto" data logger mode ................................................................. 39
7.5.2. "Constant" data logger mode .......................................................... 40
7.5.3. Recording mode.............................................................................. 40
7.5.4. "Data Logger Result"....................................................................... 42
7.6. "TEDS-Scan".............................................................................................. 44
7.7. Measure .....................................................................................................45
7.7.1. Display in measurement mode........................................................ 46
7.7.2. Data logger display in measurement mode..................................... 48
8. Operation mode "Sensor Test" ....................................................................... 49

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8.1. Running the sensor test ............................................................................. 50
8.2. Viewing and managing the sensor test ...................................................... 52
9. Operation mode "Device Test" with strain
gauge simulator................................................................................................ 53
10. Operation mode "Voltage Source".................................................................. 54
11. Technical Data................................................................................................... 55
11.1. Electromagnetic compatibility..................................................................... 55
11.1.1.Interference immunity...................................................................... 55
11.1.2. Emitted interference ........................................................................ 55
11.2. Version TRANS CAL model 7281-V0000................................................... 55
11.2.1.Strain gauge / potentiometer / transmitter / voltage measurement
functions.......................................................................................... 55
11.3. Version TRANS CAL model 7281-V0001................................................... 57
11.3.1.Operation mode "Sensor Test"........................................................ 57
11.3.2.Operation mode "Device Test" with strain gauge simulator ............ 58
11.3.3.Operation mode "Voltage Source" .................................................. 58
12. Accessories....................................................................................................... 59
12.1. Hardware....................................................................................................59
12.2. burster TEDS ............................................................................................. 59
12.3. Software .....................................................................................................59
12.4. DAkkS calibration certicate ...................................................................... 60
12.5. Manufacturer calibration certicate ............................................................ 60
13. Disposal............................................................................................................. 61

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1. Safety instructions
On the device TRANS CAL model 7281 and in this manual the following symbols warn about risks:
1.1. Symbols in this manual
1.1.1. Signal words
The following signal words are used in the operating manual according to the specied hazard
classication.
DANGER
DANGER indicates a hazard with a high level of risk which, if not avoided, will result in death or
serious injury.
WARNING
WARNING indicates a hazard with a medium level of risk which, if not avoided, could result in death
or serious injury.
CAUTION
CAUTION indicates a hazard with a low level or risk which, if not avoided, could result in minor or
moderate injury.
NOTICE
Property damage to the equipment or the surroundings will result if the hazard is not avoided.
Note: It is important to heed these safety notices in order to ensure correct handling of the
TRANS CAL model 7281.
IMPORTANT: Follow the information given in the operating manual.
1.1.2. Pictograms
Danger of electric shock!
Observe the safety notices for protecting the instrument.

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1.2. Symbols on the device
Read the text on the label.
In the battery compartment is a sliding switch. It is vital to set this switch correctly to
rechargeable or non-rechargeable battery operation.
Before switching on, make sure that the rechargeable/non-rechargeable batteries are inserted
correctly and that the sliding switch in the battery compartment is set to the correct position, to
avoid damage to the instrument.

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2. Introduction
IMPORTANT: Read the operating manual carefully before using the equipment, and keep for future
reference.
2.1. Intended use
The TRANS CAL model 7281 can be used wherever there is a need to perform high-precision, on-site
calibrations of sensing components used in equipment such as presses, torque tools or pressure-
regulating systems.
An optional factory calibration certicate or German-accredited DKD/DAkkS calibration certicate
can be provided when the TRANS CAL model 7281 needs to be used as a reference. This provides
a quick and cost-effective way of assessing a system with traceable documentation of measurement
results.
If a reference measurement cannot be made because the sensor location is difcult to access, it is
still possible to test the zero point, the input, output and isolation resistance as well as the calibrating
offset of the tted sensor. It is also possible to check the display device by measuring the excitation
voltage and simulating the characteristic values (mV/V or V) of the sensor used.
The TRANS CAL model 7281 is used in metrology institutes, calibration laboratories and in industry in
the elds of quality assurance, facility commissioning and system monitoring.
Areas of use:
• Checking all kinds of presses
• Reference measurement in assembly lines
• Test of robotic pressing forces
• Calibrating test equipment
• Calibrating high-precision instrumentation
The TRANS CAL model 7281 can be tted with standard or rechargeable batteries for
portable use or can run from an external power supply. Combined with a reference sensor the
TRANS CAL model 7281 provides a high-precision reference measurement chain e.g. for force
measurements, but is also ideal for service engineers as a tool for locating faults in device and sensor
hardware.
The choice of sensors includes strain gauge, normalized signal ± 5 V / ± 10 V and potentiometric
sensors. The LCD graphics display shows the live measurement value and the corresponding bar
indicator. It also supports display functions such as data-logger, tared value in % and upper/lower limit
for the comparator with simultaneous indicator (< = >) of the evaluation result.
For routine testing and also fault-locating tasks, the tester makes it really simple to measure isolation
resistances and input/output resistances. The device test function is a quick and easy way to verify
that the display device complies with the characteristic value, offering strain-gage simulation of up to
± 50 mV/V or output of a normalized signal of up to 10 V. German-accredited DKD/DAkkS calibration
certicates or factory calibration certicates are optionally available. The DigiCal conguration and
data-acquisition software provides useful display and reporting functions.
The TRANS CAL model 7281 is not a substitute for a safety device; for instance it cannot be used as
an emergency stop device in a press for when the pressure exceeds a set limit.

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2.2. Customer service
2.2.1. Customer service department
If you need to ask about repairs, please telephone our Service department on [phone].
Please have the serial number to hand. The serial number is essential to establishing the denite
technical status of the instrument and providing help quickly. You will nd the serial number on the
type plate of the TRANS CAL model 7281 instrument.
2.2.2. Contact person
If you have any questions relating to the TRANS CAL model 7281, please contact your representative
or go directly to burster präzisionsmesstechnik gmbh & co. kg.
Headquarters
burster präzisionsmesstechnik gmbh & co kg
Talstraße 1 - 5
D-76593 Gernsbach
Germany
Telefon: [phone]
Fax: [phone]
E-Mail: [e-mail]
2.3. Environmental conditions
2.3.1. Storage conditions
The following requirements must be met when storing the TRANS CAL model 7281:
• Store at a temperature between -20 to +60 °C
• The unit must be packed in clean packaging
• Store in a dry environment
• No condensation
2.3.2. Conditions of use
NOTICE
The rated temperature range for the TRANS CAL model 7281 is 0 °C to 40 °C.
Do not switch on the instrument if it is outside this temperature range as this may
damage the instrument. Use the instrument only in an environment that lies within
the specied temperature range.
Do not switch on the instrument if there are signs of moisture or condensation as
this may damage the instrument. If necessary, let the instrument dry off in a suitable
place and make sure that the instrument has no traces of moisture inside or on the
case before switching it on.

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Note: The following requirements must be met when operating the TRANS CAL model 7281.
• Use only in enclosed spaces
• Rated temperature range between 0 to 40 °C
• Maximum height above sea level 2000 m
• Air humidity of 80% at up to 31 °C, decreasing linearly above that temperature to 50%
at Tmax (no condensation).
• Class of protection: 1
• Transient overvoltage category: CAT II
• Supply voltage: 4 x AA battery or 10 to 28 VDC (see section "3.2. Voltage supply").
2.3.3. Restrictions on use
The TRANS CAL model 7281 does not pose a hazard if used within its specication and in
accordance with the safety regulations.
The manufacturer does not accept liability for any personal injury or property damage arising from
misinterpretation of measurement results.
Note: The TRANS CAL model 7281 is not suitable for use in the medical sector.
2.3.4. Cleaning
DANGER
Risk of electric shock.
Disconnect the TRANS CAL model 7281 from the mains socket before cleaning.
Disconnect the TRANS CAL model 7281 from the mains socket and use a slightly damp cloth for
cleaning the unit.
NOTICE
Do not immerse the TRANS CAL model 7281 in water or hold it under running water.
Do not use strong clean agents as these may damage the instrument. Use a slightly
damp cloth to clean the instrument.
2.4. Personnel
Personnel must be familiar with the relevant regulations. They must follow these regulations. Only
trained personnel who are familiar with the applicable safety regulations are permitted to operate the
TRANS CAL model 7281.

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2.5. Scope of delivery
• 1x TRANS CAL model 7281
• 4x Size AA cells (Mignon)
• 1x Operation manual
• 1x Wall mounting bracket
2.6. Unpacking
DANGER
Risk of electric shock.
Never switch on the instrument if it shows signs of damage in transit. Only ever use
the instrument under the conditions specied in this operating manual.
Inspect the TRANS CAL model 7281 carefully for damage. If you suspect that the
TRANS CAL model 7281 has been damaged during shipping, notify the delivery company within 72
hours.
The packaging should be retained for examination by a representative of the manufacturer and/or the
delivery company.
The TRANS CAL model 7281 must be shipped only in its original packaging or in packaging capable of
providing an equivalent degree of protection.
NOTICE
In the battery compartment is a sliding switch. It is vital to set this switch
correctly to rechargeable or non-rechargeable battery operation.
Before switching on, make sure that the rechargeable/non-rechargeable batteries are
inserted correctly and that the sliding switch in the battery compartment is set to the
correct position, to avoid damage to the instrument.
2.7. Warranty
burster präzisionsmesstechnik gmbh & co kg provides a manufacturer's warranty for a period of 24 months
after delivery.
Any repairs required during this time will be made without charge. This does not include damage arising
from improper use.
Please note the following when sending the instrument in for repair:
• If there is a problem with the device, please attach a note to the instrument case summa-
rizing the fault.
• Technical specications subject to change at any time without notice.
We also state explicitly that we do not accept liability for consequential damage.
• The instrument must always be dispatched in suitable packaging.

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2.8. Conversionsandmodications
Note: If you open or dismantle the TRANS CAL model 7281 during the warranty period, this will
void the warranty immediately.
The TRANS CAL model 7281 does not contain any parts that are intended to be serviced by the user.
Only the manufacturer's own qualied personnel are permitted to open the TRANS CAL model 7281.
This excludes the cover to the battery compartment.
It is forbidden to make any modication to the TRANS CAL model 7281 without our written permission.
We cannot accept liability in the event of such action.

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3. Device design
General data
Dimensions (L x W x H): 220 x 100 x 52 mm
Weight: ca. 850 g
Protection type: IP 40
Supply voltage: 10 ... 28 VDC
Nominal temperature range: 0 ... 40 °C
Storage temperature range: -20 ... 60 °C
(for further information please see chapter „11.
Technical Data“)
Diagram 1: Device design
3.1. Versions
The TRANS CAL model 7281 is available in two different versions: the
TRANS CAL model 7281-V0000 and the TRANS CAL model 7281-V0001. These versions have a
different range of functions:
Version
Operation mode TRANS CAL model 7281-V0000 TRANS CAL model 7281-V0001
Measurement mode ü ü
Sensor test ü
Device test and
strain gauge simulator ü
3.2. Voltage supply
The TRANS CAL model 7281 can be operated using batteries (rechargeable or non-rechargeable) or
using a power adapter. Switching between the two supply options for the TRANS CAL model 7281 is
done purely electronically.
• When a voltage greater than about 10 V is supplied from the power adapter, the battery
supply is disconnected. The power is then supplied solely from the power adapter.
• When the voltage from the power adapter is no longer present, the battery supply is
reconnected.

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NOTICE
In the battery compartment is a sliding switch. It is vital to set this switch
correctly to rechargeable or non-rechargeable battery operation.
Before switching on, make sure that the rechargeable/non-rechargeable batteries
are inserted correctly and that the sliding switch in the battery compartment is set to
the correct position, to avoid damage to the instrument.
3.2.1. Using rechargeable batteries
The TRANS CAL model 7281 has a rear compartment for four AA (Mignon) batteries.
Note: In the battery compartment is a sliding switch which must be set correctly to
rechargeable or non-rechargeable battery operation.
Before switching on, make sure that the rechargeable/non-rechargeable batteries are
inserted correctly and that the sliding switch in the battery compartment is set to the
correct position. If you are using rechargeable batteries and the switch is not in the correct
position, the charge controller remains off.
Four identical AA (Mignon) batteries each containing equal charge must be used.
Observe instructions of accumulator manufacturer in order to avoid memory effects or
damages of the sensor.
Safety functions
"!! LoBat !!" appears on the display when the supply voltage is less than 4.6 VDC.
The TRANS CAL model 7281 has deep-discharge protection, which switches the battery supply off
when the voltage is below 4 VDC. The TRANS CAL model 7281 cannot be switched on again until the
supply voltage rises above 4.2 VDC.
Instrument operating periods
When connected to a strain gauge full-bridge sensor with 5 V excitation, the power taken from the
rechargeable batteries by TRANS CAL model 7281 is about 0.47 W without backlit display and up to
1.6 W with backlit display.

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Charging the rechargeable batteries
NOTICE
Use only NiMH rechargeable batteries with a capacity of > 2Ah. The instrument will
be damaged if you ignore these requirements.
The rechargeable batteries can be charged via a power adapter directly from the
TRANS CAL model 7281. Charging does not depend on whether the TRANS CAL model 7281 is on
or off.
You can continue to use all the measurement mode functions during the charging process.
Note: Use only NiMH rechargeable batteries with a capacity of > 2Ah.
• The time required to charge rechargeable batteries (e.g. SANYO Superlattice Al-
loy EVO 2700 mAh NiMH rechargeable batteries) which can be charged by the
TRANS CAL model 7281 is about 2.5 hours when using the power adapter.
• The power consumption of the TRANS CAL model 7281 during charging is 12 W.
• The charging function is switched off for safety reasons if the temperature lies outside
the temperature range between 5 °C and 45 °C.
We recommend using the following batteries:
Battery Operating time until "!! LoBat !!" Operating time from "!! LoBat !!"
until switch-off
NiMH rechargeable batteries
SANYO Superlattice
Alloy EVO 2700 mAh
about 12 h* about 1 h*
Alkaline non-rechargeable
batteries VARTA High
Energy 2600 mAh
about 6 h* > 1 h*
* When background illumination is off.

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3.2.2. Using non-rechargeable batteries
NOTICE
In the battery compartment is a sliding switch. It is vital to set this switch
correctly to rechargeable or non-rechargeable battery operation.
Before switching on, make sure that the rechargeable/non-rechargeable batteries
are inserted correctly and that the sliding switch in the battery compartment is set to
the correct position, to avoid damage to the instrument.
When connected to a strain gauge full-bridge sensor with 5 V excitation, the power taken from the
non-rechargeable batteries by TRANS CAL model 7281 is about 0.47 W without backlit display and up
to 1.6 W with backlit display.
3.2.3. Mains/charging operation
The instrument can be operated from a DC voltage source (10 VDC to 28 VDC) or using a power
adapter.
DANGER
Risk of electric shock.
Inspect the power adapter for damage before use. Do not connect the power adapter
if damage is suspected.
To help identify damage to the power adapter in good time, test the it regularly in
accordance with German accident prevention regulations BGV A3.
3.3. What the LEDs mean
The LEDs are only active when the power adapter is plugged in.
123

1D1 = Ext. Power
2D2 = Charge
3D3 = Fault
Diagram 2: What the LEDs mean
D1 D2 D3 Meaning
Off Off Off External supply off
XOff Off External supply on
XXOff Charging in progress; yellow LED may also ash
XXXRechargeable batteries faulty or inserted incorrectly (deep-
discharge)

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NOTICE
If LED D3 shows a red light, switch off the TRANS CAL model 7281 and rectify the
problem. Follow the instructions below to rectify the problem:
• Let the TRANS CAL model 7281 cool down
• Insert the battery with the terminals the correct way round.
• Replace the batteries
To reset D3, switch off the instrument then unplug the power adapter and plug it back in.

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4. Controls and connections
4.1. Controls
1
2
3
4
5
1[F1], [F2] and [F3] keys
2Cursor block for navigating in the menus
(top, bottom, left and right)
3[ON] key
ON/OFF for switching on and off
4[ESC] key
5[Enter] key
Diagram 3: Controls of TRANS CAL model 7281
4.2. Menu navigation
You can use the , , and keys to navigate though each of the menu options. Use the [Enter]
key to select the highlighted menu option. To change the values, again use the or key. To switch
between the configured measurement programs, use the or . The [ESC] key always takes you
back to the previous menu.
Diagram 4: Menu navigation

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4.3. Menu structure
MENU Start
Self test
Language
Info
MENU End
Prog Number
Name
Channel setup
Comparator
Reset Prog!
Datenlogger Setup
Datenlogger Result
TEDS-Scan
Operating mode
Setup
Sensor test
Sens. type
Meas. mode
Excitation
Meas. rate
Unit
Cal. low
Cal. hi
Scal. low
Scal. hi
Read TEDS
Teach!
Teach!
Mode
Limit hi
Limit lo
Unit
Dynamic
Static
Off
Mode
Recording
Period
Auto
All
Delta-t
Manually
hh:mm:ss:ms
Show
Start
Device test
Voltage source
Date
Time
Brightness
Backlight
Auto-Off
Display
Access protect
Measurement mode
7281-V0000
only 7281-V0001
Diagram 5: Menu structure TRANS CAL model 7281
Note: Only the TRANS CAL model 7281-V0001 version offers the full set of functions. The
TRANS CAL model 7281-V0000 version only offers the functions between self-test and
measurement mode inclusive.