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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 modifications ..................................................................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

Summary of Contents for TRANS CAL 7281

Page 1: ...ed Valid from 04 12 2018 Manufacturer burster pr zisionsmesstechnik gmbh co kg Talstra e 1 5 Postfach 1432 D 76593 Gernsbach D 76593 Gernsbach Germany Germany Tel 49 07224 645 0 Fax 49 07224 645 88 E...

Page 2: ...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 conditi...

Page 3: ...tion 2011 65 EU Richtlinie zur Beschr nkung der Verwendung bestimmter gef hrlicher Stoffe in Elektro und Elektronikger ten 2011 Directive on the restriction of the use of certain hazardous substances...

Page 4: ...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 modifications 13 3 Device design 14 3 1 Versions 14 3 2 Voltage supply 14 3...

Page 5: ...ration 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 Tr...

Page 6: ...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 m...

Page 7: ...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 cou...

Page 8: ...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 an...

Page 9: ...test equipment Calibrating high precision instrumentation The TRANS CAL model 7281 can be fitted with standard or rechargeable batteries for portable use or can run from an external power supply Comb...

Page 10: ...49 07224 645 0 Fax 49 07224 645 88 E Mail info burster com 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...

Page 11: ...ility 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...

Page 12: ...ry 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 b...

Page 13: ...AL model 7281 does not contain any parts that are intended to be serviced by the user Only the manufacturer s own qualified personnel are permitted to open the TRANS CAL model 7281 This excludes the c...

Page 14: ...different range of functions Version Operation mode TRANS CAL model 7281 V0000 TRANS CAL model 7281 V0001 Measurement mode Sensor test Device test and strain gauge simulator 3 2 Voltage supply The TRA...

Page 15: ...t 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 F...

Page 16: ...d 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 adapt...

Page 17: ...lay 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...

Page 18: ...81 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...

Page 19: ...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 m...

Page 20: ...each 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 Disp...

Page 21: ...ning Pin excitation strain gauge potentiometer output voltage source 1 sense line strain gauge potentiometer 2 transmitter excitation 12 VDC 3 sense line strain gauge potentiometer 4 excitation strain...

Page 22: ...mulator Meaning Pin excitation strain gauge potentiometer 1 sense line 2 Empty 3 sense line 4 excitation strain gauge potentiometer 5 signal output 6 Empty 7 Empty 8 signal output 9 4 4 3 Power adapte...

Page 23: ...gauge based sensors tension compression pressure and torque up to 3 mV V 50 mV V Potentiometric sensors linear or angular displacement up to 5 VDC sensor supply 5 VDC Transmitters sensors with built...

Page 24: ...r 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...

Page 25: ...you require and press the Enter key to confirm If you are using the TRANS CAL model 7281 V0000 version then the Configuration menu opens directly Otherwise the TRANS CAL model 7281 V0001 version takes...

Page 26: ...the F3 Info key in order to retrieve the instrument information 2 The instrument information is shown on the display If you are using the TRANS CAL model 7281 V0000 version then the ESC key takes you...

Page 27: ...an open the Basic setup for the TRANS CAL model 7281 by pressing the F1 setup key Pressing the ESC key always takes you back to the previous menu Diagram 8 Startup screen TRANS CAL model 7281 V0000 6...

Page 28: ...asic setup Date DD MM YYYY Date setting Time hh mm ss Time in 24 h format Brightness 0 10 Brightness in 10 levels 0 off Backlight Off On 10 s 30 s 60 s Display backlight period Auto Off Off 5 min TRAN...

Page 29: ...in 10 levels 0 off Backlight Off On 10 s 30 s 60 s Display backlight period Auto Off Off 5 min TRANS CAL model 7281 automatic switch off Display XX XX XX XXX XX XXXX Number of digits Access protect On...

Page 30: ...rom the Operating mode menu 2 Use the or key to select the setting you require from the Basic setup menu Once you have selected the setting you require press the or key to change the value of the sett...

Page 31: ...being switched on Select the Measurement function and press the Enter key to confirm your selection This function lets you use the TRANS CAL model 7281 for various measurement tasks and requirements 7...

Page 32: ...d measurement mode DC DC voltage AC pulsed DC voltage Excitation 2 5 V 5 V Strain gauge excitation The correct value for the strain gauge excitation voltage is listed on the sensor datasheet or the te...

Page 33: ...on value electrical quantities numerically or you can use the Teach in function F3 key in the Channel setup menu The precise relationship is illustrated in diagram 11 Diagram 11 Scaling and calibratio...

Page 34: ...entered here Scal hi The upper scale value for 2 point scaling typically 100 of sensor measurement range can be entered here Note The mechanical travel of potentiometric displacement sensors may some...

Page 35: ...tion The teach in function only works if the sensor is connected and the correct channel parameters have been set Scal low The lower scale value for 2 point scaling typical value 0 can be entered here...

Page 36: ...he burster TEDS sensor contains two stored calibrations as a result of a special factory calibration for the measurement direction opposite to the preferred measurement direction then a prompt is disp...

Page 37: ...the comparator to check whether a measured value or series of measured values lies within predefined limits You set an upper and lower limit when configuring the comparator During the measurement proc...

Page 38: ...comparator mode the comparator is stopped when the measured value goes outside the limit window above or below limits The display continues to show the latest evaluation result while also showing a bo...

Page 39: ...r second depends on the set measurement rate A total of up to 30 000 measured values can be saved The Auto and Constant data logger modes can be set in the Data logger Setup menu 7 5 1 Auto data logge...

Page 40: ...ger mode all every measured value is stored after starting the data logger 7 5 3 Recording mode There are three options for recording and saving measured values while the data logger is running Note T...

Page 41: ...te After pressing the F2 key for the first time the number of measured valves replaces VALUE in the function field for this key Note The Manual recording option is not available in Auto data logger mo...

Page 42: ...f measured values stored in the data record You can use the F2 and F3 keys to delete the selected measurement or all the measurements in the TRANS CAL model 7281 Pressing the Enter key takes you to th...

Page 43: ...easured values in the data record and the measurement program that was used to record these values 4 Use the or key to select the measurement you require and press Enter to confirm your selection This...

Page 44: ...sor equipped with the burster TEDS option to the TRANS CAL model 7281 you have the option to check whether the present sensor has already been used and if so in which configured measurement program On...

Page 45: ...surement program you require Pressing the Enter key opens the relevant Configuration menu 5 Make any additional configuration settings here or start your measurement task 7 7 Measure In the Configurat...

Page 46: ...erating time left Connect the power supply immediately or replace the batteries It is essential that you read section 3 2 Voltage supply on page 14 3 Activity indicator Status indicator for measuremen...

Page 47: ...value When comparator mode is active it is very easy to identify in the region within or outside the comparator limits in which the current measured value lies 11 Lower comparator limit If comparator...

Page 48: ...Data logger status Shows the current status of the data logger Wait data logger active but trigger condition not met Logger trigger condition met data logger is recording 2 Stop data logger Stops the...

Page 49: ...find details of the shunt resistance used on the test certificate supplied with the sensor Note During shunt calibration a precision resistor the calibration shunt is connected between the excitation...

Page 50: ...d open it by pressing the Enter key 2 You can now run the sensor test from the Sensor Test menu by pressing the F3 key Alternatively you can display the sensor test performed previously by pressing th...

Page 51: ...ffset and each of the shunt calibration values are measured using shunt resistors and the input output and isolation resistances of the connected sensor are measured One the sensor test has finished y...

Page 52: ...menu see section 8 1 Running the sensor test on page 50 You can display the results as soon as a sensor test has finished and been saved Use the and keys to select the saved sensor tests Press F3 to d...

Page 53: ...tage source typical of that experienced in practice and synthesizes the zero signal and signal under load This is achieved by a resistance change just as happens in the strain gauge based sensor The T...

Page 54: ...nge of reasons The TRANS CAL model 7281 offers the Voltage Source function as a means of providing a high precision 0 10 VDC output to apply to a relevant instrument The output value can be varied con...

Page 55: ...ransmitter voltage measurement functions Properties common to the Measurement operating mode Non linearity 0 001 Measuring rates 0 1 1200 s DC 0 1 2 s AC reduced accuracy at 50 s TC gain 0 001 K TC ze...

Page 56: ...time clock date Interface USB 2 0 downwards compatible opto isolated Nominal temperature range 0 40 C Storage temperature range 20 60 C Display LCD with white LED backlighting Baud rate 115200 Supply...

Page 57: ...t room temperature In addition standardization calibration of the full scale value using series resistors may have been performed which increases the input resistance further The manufacturer s datash...

Page 58: ...DC Characteristics infinitely adjustable simulation values 0 3 mV V 0 50 mV V Resolution 16 Bit Bridge resistance 350 TC 0 002 K Cut off frequency 5 kHz Measurement of excitation voltage 0 10 VDC 11...

Page 59: ...V280 99209 580A 0110002 Aluminium case for TRANS CAL model 7281 and accessories 7200 Case 12 2 burster TEDS Sub D 9 pin male connector and memory chip for the electronic datasheet for connecting stra...

Page 60: ...valid for a maximum of 26 months 12 5 Manufacturer calibration certificate The standard factory calibration certificate for a reference measurement chain consisting of the TRANS CAL model 7281 in conj...

Page 61: ...d device you are concerned by this law Please dispose of your batteries and rechargeable batteries correctly Hand them to waste disposal sites either at your premises or at our company or at any place...

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