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Maintenance and calibration

81

TGH1256en/10.2005

7. Maintenance and calibration

7.1 Calibration

Like any other test instrument, UNIMET® 1100ST requires a regular measured values check.
The calibration interval is 24 months. The test system can only be calibrated and adjusted by
BENTRON

®

or persons who has been authorized by BENTRON

®

.

7.2 Changing the battery

The UNIMET® 1100ST is powered by a battery with a service life of approx. three years. The
test system battery can only be changed by BENTRON

®

or persons who has been authorized

by BENTRON

®

.

The battery is always replaced by BENTRON

®

as part of the calibration procedure.

7.3 Maintenance

Other than the work carried out as part of periodic calibration, the device requires no further
maintenance.

7.4 Device errors

UNIMET® 1100ST monitors its device functions continuously. In the unlikely event that an
error does occur, a message will appear on the display in plain text.

Proceed as follows:

1. Make a note of the error message.

2. Switch the UNIMET® 1100ST off and remove the mains connector.

3. Make a note of what happened prior to the error: operator inputs, type of DUT, ambient

conditions, etc.

4. Keep the device serial number to hand.

5. Call BENTRON® technical support and describe the type of error.

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Summary of Contents for UNIMET 1000ST

Page 1: ...Power in electrical safety Operating manual UNIMET 1000ST and UNIMET 1100ST Test systems for electrical safety TGH1256en 10 2005...

Page 2: ...r de com Internet http www bender de com Bentron GmbH Co KG Carl Benz Str 8 35305 Gr nberg Germany PO Box 1161 35301 Gr nberg Germany Tel 49 0 6401 807 730 Fax 49 0 6401 807 739 E mail info bentron de...

Page 3: ...em description 11 3 1 Areas of application 11 3 2 Function 11 3 3 Tests conforming to standards 12 3 4 System components 13 3 5 Operating elements 14 4 Operation and setting 15 4 1 Unpacking 15 4 2 Co...

Page 4: ...5 5 1 Internal system self test 38 4 5 5 2 System self test with TB3 39 4 5 6 Setup 40 4 5 6 1 Language 40 4 5 6 2 Select nominal voltage 40 4 5 6 3 Buzzer 42 4 5 6 4 Service mode 42 4 5 6 5 More sett...

Page 5: ...he type catalogue 71 5 4 2 Type catalogue Start test and edit type 71 5 5 Device catalogue 72 5 5 1 How to access the device catalogue 72 5 5 2 How to start a test from the device catalogue 73 5 6 Sin...

Page 6: ...A PE conductor test option 86 8 3 Printer 87 8 4 ST6180 barcode reading wand DLC7070 barcode scanner 88 8 5 VK701 adapter 88 8 6 TP1010 for tests to IEC 61010 1 2001 02 89 9 Data 91 9 1 Standards 91 9...

Page 7: ...es The BENDER Group cannot accept any liability for injury to persons or damage to property resulting from errors or mistakes in this operating manual 1 2 Technical support As a BENDER customer you wi...

Page 8: ...ccessories provides information about UNIMET 1100ST versions and available accessories Chapter 9 Data provides information about standards test procedures and technical data This symbol indicates a po...

Page 9: ...DER Group cannot accept any liability for damage resulting from such use 2 3 Qualified personnel Only appropriately qualified personnel may work on BENDER products Qualified means familiar with the in...

Page 10: ...ty lasting 36 months from date of delivery for the UNIMET 1100ST test system when stored or operated under standard conditions This guarantee does not cover maintenance work of any type whatsoever The...

Page 11: ...lts can be displayed on screen saved or printed to an external printer In the event of unexpected results the DUT can be inspected in more detail by carrying out a single test Once tested devices can...

Page 12: ...the chapter entitled Standards on page 91 IEC 60601 1 1988 DIN EN 60601 1 1996 03 VDE 0750 T1 DIN VDE 0751 Part 1 2001 10 DIN VDE 0702 2004 06 DIN VDE 0701 1 2000 09 ANSI AAMI ES1 UL 60601 1 IEC 61010...

Page 13: ...ress the test probe to start single tests during manual and semi automatic testing 4 measuring cable Used as a passive test probe inserted into bush B or to test permanently installed equipment 5 Test...

Page 14: ...thermo magnetic circuit breaker 12 Socket outlet with earthing contacts 16 A for external printer switched via power switch 11 13 Permanently attached power supply cord for connection to the supply vo...

Page 15: ...g wheels 1 Move the handle a little until the adjusting wheels snap into place 4 2 2 Connection of keypad purchased as an optional accessory 1 Push the two grip ends 2 on the fixing axes inwards at th...

Page 16: ...100ST test socket is live Do not touch the earthing contacts on the socket Do not connect DUTs during the start up phase If the DUT is faulty its enclosure may be live You risk dangerous electrical sh...

Page 17: ...can be changed in the system administration settings The test system s main menu appears The test system is now ready for operation 4 2 4 Switching off 1 Quit all functions so that the main menu appea...

Page 18: ...barcode scanner Press Enter to apply the entries you make via the keypad or on screen keypad The Enter key on the device and Enter on the keypad have the same function 1 Selection menu the example sho...

Page 19: ...s 1 The Info key shows the telephone number of the BENTRON hotline 2 Function keys are used to activate each function as on UNIMET 1100ST 3 No function 4 Letter keys 5 Shift key for upper case and spe...

Page 20: ...ection activate the entry by pressing the Enter key 2 Using the keypad type in the first letter s of the entry If there are a number of similar entries you can use the arrow keys to select the require...

Page 21: ...on Answer the questions that appear on the screen The test system will identify the required tests and limiting values to be observed The assisted test sequence will guide you through all the necessar...

Page 22: ...3 Database maintenance Test step editor User defined test Editing the type catalogue and device catalogue Delete entries select for user defined test edit test steps Print all data delete catalogues d...

Page 23: ...up F2 Select nominal voltage Log in test engineer RS 232 interface Interfaces System info Setup Database maintenance Input edit or delete test engineer Barcode reading Unimet standard protocol Modify...

Page 24: ...y registered on the system are simply selected in the test engineer name catalogue There is no need to re enter the test engineer s name Up to nine test engineer names can be saved The test engineer n...

Page 25: ...nsmission rate in bits per second You should set both the UNIMET 1100ST and the PC software to the same baud rate 4 5 3 2 Barcode reading Main menu F5 System administration F2 Interfaces F2 Barcode re...

Page 26: ...T to appear in the main menu In such cases Unimet remote mode can then be called via the PC software Following logon and every time the UNIMET 1100ST is started up the ST6180 barcode reading wand will...

Page 27: ...Delete entries select for user defined test edit test steps F2 Modify device catalogue Delete entries select for user defined test edit test steps F3 Catalogues Delete and repair Print all Print all d...

Page 28: ...Next select an action for this type F1 The type is saved for user defined test in the main menu from where it can be selected directly by pressing the associated function key This accelerates the star...

Page 29: ...r selection 3 Next select an action for this device F1 The device is saved for user defined test in the main menu from where it can be selected directly by pressing Enter This accelerates the start of...

Page 30: ...ent sequence of test steps is displayed Theteststepeditorcanbeusedtocustomisethetestsequencetomeetindividual requirements Running the modified test sequence can put test personnel electric shock and t...

Page 31: ...F1 to confirm the deletion of the test step Press to exit the function without making any changes 4 Save all changes on exiting the test step editor How to add a test step 1 Select either Test step NE...

Page 32: ...ct the test step 5 Unimet will suggest a limiting value You may change this value if you wish If you change the limiting value you must ensure observance of applicable standards Press Enter to apply t...

Page 33: ...e test sequence If you change a limiting value it will be changed for all test steps of the same name in this test sequence Check if any other test steps have the same name and whethertheyarecompatibl...

Page 34: ...d and all test steps not required have been deleted the UNIMET 1100ST can work out a sensible sequence for the test steps Press to sort the test steps 2 Press F1 to confirm that you wish to sort the t...

Page 35: ...tration F3 Database maintenance F3 Catalogues This menu features various edit functions for the database If a test sequence has been changed this will be evident in the device master data or in the te...

Page 36: ...h to delete the device catalogue or the type catalogue F1 Prints a separate protocol for each type F2 Prints a separate protocol for each device Exit print all Only links to data are deleted This acti...

Page 37: ...4 5 5 System info Main menu F5 System administration F4 System info The menu branches to the system self test screen The screen contains information about the software firmware and hardware versions a...

Page 38: ...Please note the following conditions to be met in order for the test to be carried out Connect the UNIMET 1100ST to an earthed mains supply not an IT system Do not connect any DUTs or adapters Do not...

Page 39: ...nnect any earthed printers 1 Press Enter to start the self test 2 Check the assignment of the jumpers on the TB3 and then connect the TB3 to the UNIMET 1100ST as indicated 3 Press Enter to continue th...

Page 40: ...range between AC 90 and 264 V In order to always obtain comparable measured values even if the system voltage is fluctuating various standards require measured values to be converted to nominal system...

Page 41: ...age Manual input of nominal voltage F1 F4 Select nominal voltage F5 Manual input of nominal voltage Exit function without making changes Select nominal voltage UNIMET 1100ST only accepts values from 1...

Page 42: ...e by BENTRON Service Access to this mode is therefore password protected 4 5 6 5 More settings Main menu F5 System administration F5 Setup F5 More This menu offers more options for configuring the UNI...

Page 43: ...lanced As with an ohmmeter this ensures that the ohmic resistance of the test adapter and test probe will not affect the PE conductor test result The test adapter cables need to be as short as possibl...

Page 44: ...d function Zero balancing takes approximately 5 seconds to complete Perform zero balancing for all measuring paths required Each calibration value is saved and is retained until a new zero balancing p...

Page 45: ...the PE contact on test socket E Start zero balancing by pressing F1 2 A DUT has a detachable power supply cord If only the resistance of the DUT is to be measured make the connection as follows How t...

Page 46: ...bushes B and A Contact the test probe with the end of the measuring cable with test terminal if applicable Start zero balancing by pressing F2 4 A DUT has a permanently connected power supply cord Th...

Page 47: ...uctionsintheVK701datasheetinrespectofconnectingandusing the VK701 1 Connect the VK701 adapter to the UNIMET 1100ST 2 Connect the adapter s plug and coupling 3 Press F1 to perform zero balancing Zero b...

Page 48: ...menu Test result F2 Start menu Every time the system is switched on the UNIMET 1100ST start menu appears This text is also used for the header on printed test protocols lines 1 and 2 for short format...

Page 49: ...tware A detailed description of the updated procedure appears in Updating the Unimet operating software firmware update on page 77 F1 Only if the test is failed will the test result appear immediately...

Page 50: ...Operation and setting 50 TGH1256en 10 2005...

Page 51: ...irst time a new device is tested whose type already exists in the type catalogue only the type designation needs to be called Once the test has been completed successfully the DUT is saved in the devi...

Page 52: ...of a medical electrical device e g combined ultrasound stimulation current unit to DIN VDE 0751 1 2001 10 This is a Class I equipment with two patient connections In the main menu select F3 Classifica...

Page 53: ...s patient connections UNIMET 1100ST can be used to test these medical devices as part of a test sequence F1 F4 The DUT can only have one of these features F5 This function can be used if you know that...

Page 54: ...connected to bushes 3 and 4 on the UNIMET 1100ST For this example select F5 Freely configurable function groups Now classify the sequence of patient bushes as B BF or CF Select F3 Type CF for the firs...

Page 55: ...ring principle will appear on the screen The current measuring principle is identified by Example F3 Direct measurement and F4 No insulation measurement F1 F3 The DUT can only have one of these featur...

Page 56: ...ation in type or device catalogue Automatic test sequence During automatic testing the test probe or test terminal comes into contact with one point of the DUT The test sequence then runs through all...

Page 57: ...apter Entering text and numbers on page 18 describes how to enter text For our example we will complete the master data You must always enter a type name If you do not you will not be able to save the...

Page 58: ...o be tested will only have switched on partially or not at all and therefore will not be tested Once measurements are complete the UNIMET 1100ST may only shut down the DUT once it has booted down or c...

Page 59: ...s activated a warning notice will appear prior to the DUT being connected to the system voltage Only once the message has been confirmed will the system voltage be connected This prevents hazardous de...

Page 60: ...ed in the type catalogue under the type name F2 If an ID number has been assigned with F4 you can use this key to subsequently save the test under this ID number in the device catalogue The ID number...

Page 61: ...r these DUTs For our example select F2 Protection class II and F1 Automatic test sequence You must always enter a type name If you do not you will not be able to save the classification Example Ultras...

Page 62: ...y pressing 5 3 1 Carrying out the visual inspection Carry out the visual inspection using the test steps listed All visual inspections are set as passed by default If a DUT should fail a test step pre...

Page 63: ...stitute leakage current 2 Tests with the DUT in operation with a given phasing e g touch current test residual current test patient leakage current 3 Tests as 2 but with phase reversed This ensures th...

Page 64: ...uring testing 4 Indicates the patient components currently being tested 5 Measured value unit 6 Measurement number BENDER device measurements are numbered consecutively See also Chapter 9 2 Test steps...

Page 65: ...tion of PE conductor testing the test sequence continues The results of the test are displayed immediately at the end of the test sequence The test system does not however permit any hazardous current...

Page 66: ...se If the Start up function is set to Manual start in the master data screen UNIMET 1100ST will wait until the DUT has booted up or is ready for operation Once the test object has been connected to th...

Page 67: ...DUT has been shut down Please note that only DUTs with a power consumption of up to 3700 VA may be supplied with power via the UNIMET 1100ST test socket If DUTs with higher power consumption levels ar...

Page 68: ...iled The entire test is saved as failed F3 Power up the DUT by connecting it to the UNIMET 1100ST test socket Please note the manufacturer s instructions when doing this Three phase DUTs and DUTs with...

Page 69: ...comment can also be entered 2 Exit the master data screen by pressing F1 Save in type catalogue We do not need this function for our example as the type has already been saved F2 Save in device catal...

Page 70: ...Testing and measuring 70 TGH1256en 10 2005 5 3 5 4 Saving in the device catalogue In the next menu you can save the test in the device catalogue This completes the test...

Page 71: ...ogue In the main menu select F1 Type catalogue In the type catalogue select the type of DUT There are several ways to select the type of DUT 5 4 2 Type catalogue Start test and edit type The required...

Page 72: ...d in the PC program can be transferred to the device catalogue These functions are described in the PC software guide 5 5 1 How to access the device catalogue In the main menu select F2 Device catalog...

Page 73: ...called up in the form of single tests and repeated as often as required If for example a limiting value is not met during a classified test sequence the test step concerned can be examined in more de...

Page 74: ...t in the main menu ENTER key Starts the single test During the PE conductor test the low resistive continuity of the PE conductor is tested with a high current 10 A This produces heat energy IfthePEco...

Page 75: ...the PC 3 Switch the Unimet 1100ST on 4 System settings Make sure that no barcode scanners are logged on Set the same baud rate as in the software e g 9600 baud 5 Return to Unimet 1100ST main menu 6 S...

Page 76: ...or Windows XP operating system 6 3 2 Installing UniBackup 1 Download the software from http www bentron de 2 Unzip file UniBackupV1 1 zip 3 Start the installation file UniBackupV1 1 exe and follow th...

Page 77: ...restart and the main menu will reappear Before performing an update we strongly recommend that you back up all type and device catalogue data to a PC The update process takes several minutes and must...

Page 78: ...atabase files are to be saved 2 Start database transfer 3 The database files are transferred to the target directory indicated Database files are transferred from PC to UNIMET 1100ST as follows 1 Sele...

Page 79: ...rmware version 4 20 or higher IBM compatible PC minimum 600 MHz Pentium II processor with RS 232 interface or USB RS 232 adapter Minimum 128 MB RAM 256 MB recommended Minimum OS Windows 2000 running S...

Page 80: ...PC compatible functions of the UNIMET 1100ST 80 TGH1256en 10 2005...

Page 81: ...uthorized by BENTRON The battery is always replaced by BENTRON as part of the calibration procedure 7 3 Maintenance Other than the work carried out as part of periodic calibration the device requires...

Page 82: ...Maintenance and calibration 82 TGH1256en 10 2005...

Page 83: ...g socket Schuko German Color Edition UNIMET 1100ST brochure B96021100C 1 UNIMET 1100ST 25 A version Testsystemformedicalelectrical devicesand electrical equipment Tests to IEC 60601 1 DIN VDE 0751 DIN...

Page 84: ...100ST brochure PK3 instruction leaflet B 9602 0009 DS601 Three phase adapter for testing medical electrical 3 phase devices during operation to IEC 60601 UNIMET 1100ST brochure DS601 instruction leafl...

Page 85: ...1100ST brochure VK701 data sheet B 9602 0052 VK701 6 Adapter with protective earthing contacts UNIMET 1100ST brochure B 9602 0067 VK701 7 Adapter for non heating devices UNIMET 1100ST brochure B 9602...

Page 86: ...PE conductor on their devices as part of type testing using the method specified Test probe passive 3 m measuring cable with black test probe B 928 748 TP1010 testprobefortestinglabequipment in accord...

Page 87: ...Temperature monitoring prevents the UNIMET 1100ST from overheating If PE conductor testing is repeated several times without a break the UNIMET 1100ST will switch to a cooling down phase lasting appro...

Page 88: ...upplied with the barcode scanner Test the function of the barcode scanner Barcodes on merchandise can be used for this purpose If you create your own barcodes Use one of the barcode types indicated in...

Page 89: ...and coupler Start zero balancing See Test probe VK701 on page 43 Please see the VK701 data sheet for more information 8 6 TP1010 for tests to IEC 61010 1 2001 02 For tests in accordance with standard...

Page 90: ...Options and accessories 90 TGH1256en 10 2005...

Page 91: ...rements ANSI AAMI ES1 UL 60601 1 Medical Electrical Equipment Part 1 General Requirements for Safety IEC 61010 1 Publication date 2002 08 Safety regulations for electrical equipment for measuring cont...

Page 92: ...ided by Type B applied parts It is marked with the symbol to the left Type CF applied part F type applied part complying with the specified requirements of IEC 60601 1 to provide a higher degree of pr...

Page 93: ...device must load the source of the leakage current with a specific impedance In the case of alternating current the measuring device must have a specific frequency curve Detailed information is provi...

Page 94: ...egree of protection IP20 PABL Patient leakage current PABN Patient leakage current with system voltage on applied part IGER Device leakage current IPE PE current IBER Touch current UBER Touch voltage...

Page 95: ...iliary currents Measuring range 0 001 mA 19 99 mA Measuring accuracy 5 of MV 2 digits Insulation resistance Test voltage approx 500 V DC Max test current 2 5 mA Measuring range 0 01 M to 299 99 M Meas...

Page 96: ...Data 96 TGH1256en 10 2005...

Page 97: ...36 Delivery note 15 Device administration pro grams 75 Device catalogue 72 Device functions 81 Device ID 69 Device under test Three phase 68 Documentation 83 Download area 83 E Entry Text and numbers...

Page 98: ...d neutral 11 T Temperature monitoring 87 Terms 92 Test 62 Automatic 56 Manual 56 Sequence 62 Test clip 13 Test concept 51 Test engineer name 24 Test engineer names catalogue 11 Test engineers catalogu...

Page 99: ......

Page 100: ...0 6401 807 0 Fax 49 0 6401 807 259 E Mail info bender de com Internet http www bender de com Manufacturer BENTRON GmbH Co KG Postfach 1161 35301 Gr nberg Germany Carl Benz Stra e 8 35305 Gr nberg Germ...

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