AMP MT204 S manual PDF
Contents
1. 7 8 9 Select the next storage level MAC machine by using the Y menu key Select already entered machine name by using the lt and gt menu keys If wished machine name is not entered yet then setup a new machine by using menu key gt offered default name is XXXX Press the REN menu key and delete default name XXXX by using the lt menu key Enter a new machine name for example MAC001 by using the Y and A menu keys Confirm entry by pressing the menu key Select the next storage level LOC location by using the Y menu key Select already entered location name by using the lt and gt menu keys If wished location name is not entered yet then setup a new location by using menu key gt offered default name is XXXX Press the REN menu key and delete default name XXXX by using the lt menu key 10 Enter a new location name for example LOCO01 by using the Y and A menu keys Confirm entry by pressing the 4 key 11 Press the SAVE function key again to store the measurement result memorizing is confirmed with double sound signal CUS GUSH MAC MAC001 LOC LOCOOt NO 001 KE Be REA BS Figure 23 Memorizing address e f already occupied storage address customer machine location and serial number is selected when storing measurement result BUSY mark will appear on the LC Display Previously stored result will be overwritten afte2. 42 Fuse replacement fuse F3 for RPEO 2A function Internal fuse F3 FF 1 0 A 500 V 6 3 x 32 mm has blown if e Text FUSE F3 1 0A appears on the LC Display in RPEO 2A function e Check the fuse also if FUSE F2 F3 appears on the LC Display in RPEO 2A or RPE10A function To replace the fuse proceed as follows 1 Unlock corresponding fuse holder 4 by using an appropriate screwdriver 2 Remove the defective fuse and replace it with a new one FF 1 0A 500 V 6 3 x 32 mm 3 Lock the fuse holder again EY If any fuse blows several times for example in case of operating error the instrument must be sent in to the service department in order to be checked 43 Technical data General data Display Limit value display Limit value setting Memory Interface USB1 Interface USB2 Requirements on USB memory stick Working temperature range Storage temperature range Allowed humidity range Height above sea level Mains power supply Max power consumption Installed fuses Mains fuse F1 For functions RPE 10A RISO HV F2 RPE 0 2A F3 Constructed according to Over voltage category Mains inlet Measurement input Measurement output HV Graphic LC Display 128 x 64 dots Optic and acoustic Within measurement range in functions RPE ZI and RISO Approx 2000 memory locations 3 levels customer machine measurement location additional measurement No is created USB 2 0 device
3. Measurement principle Test lead compensation 0 12 10 00 Q 0 00 10 00 Q 0 01 C 3 rdg 2 digits gt 0 2 AAC approx 5 5 V AC floating Two wire connection Up to 5 00 Q by pressing the COMP key Protection against ext voltage Fuse F3 Loop impedance Prospective short circuit current ZI IPSC 20A Measurement range ZI Display range ZI Resolution Accuracy Display range IPSC Calculation IPSC Accuracy IPSC Voltage range Test current 0 12 20 00 Q 0 00 20 00 Q 0 01 3 rdg 3 digits 10A 40 kA for 230 V 10 IPSC 230 V ZI for 400 V 10 IPsc 400 V ZI outside above two ranges IPSC Umeas ZI Depends on ZI accuracy 200 440 V 50 Hz approx 20 44 A internal load of 10 Q for 20 ms 45 Loop impedance Prospective short circuit current ZI IPSC LOW Measurement range ZI Displav range ZI Resolution ZI Accuracv ZI Display range IPSC Calculation IPSC Accuracy IPSC Voltage range Test current Measurement principle Test lead compensation 1 2 9 9 Q 10 500 Q 1 2 9 9 Q 10 500 Q 0 19 1Q 3 rdg 6 digits 0 4 A 191A for 230 V 10 IPSC 230 V ZI outside above range IPsC Umeas ZI Depends on ZI accuracy 200 253 V 50 Hz approx 100 mA pulsed measurement time max 10 s Two wire connection Up to 5 00 Q in RPE function Declared accuracy may be affected in case of capacitive loads connec
4. In linear mode it is assumed there are only linear components involved in discharge process capacitors resistors inductors etc and therefore discharge characteristic is exponential see the diagram below In linear mode displayed result refers to peak value of mains voltage see the figure 13 Coincidental switch off A at any mains voltage Th measured mi t 1s 5s Y Figure 13 Linear mode In linear mode the MT 204 S detects automatically two standard system voltages 230 V sneer Uin 230 V 10 400 V iirinn Uin 400 V 10 To include mains over voltage the measured residual voltage is calculated with reference to peak value of max possible mains over voltage i e Up 230 V x 1 1 x 1 41 358 V standard system voltage 230 V Up 400 V x 1 1 x 1 41 620 V standard system voltage 400 V If actual mains voltage differs from nominal system voltage more than 10 the MT204 S scales the result to peak value of actual voltage Example 1 Uin 173 Vef the value differs more than 10 from 230V result refers to 173 V x 1 41 244 Vp Example 2 Uin 209 Vef the value differs less than 10 from 230V result refers to 230 V x 1 1 x 1 41 358 Vp 28 Residual voltage measurement Non linear mode In non linear mode it is assumed there are also non linear or unknown components involved in discharge process relays gas lamps etc and therefore discharge chara
5. Install EMERGENCY OFF switch into the mains installation outside the dangerous area RE These notes are just extracts of the EN 50191 standard The following notes should be respected when carrying out the measurements e Properly trained persons may only do the tests under supervision of specialized staff and have to be trained regularly e Use safety probes with protection against contact or with two hand operation only Always hold only one probe in one hand e Connecting one terminal to the test object and working with one probe or holding both probes in one hand is prohibited e It is prohibited to touch the unit under test during the test If need be additional measures must be taken e g cover made of insulating mats to protect the person performing the test against inadvertent contact with the unit under test e Testing may commence only after all safety measures were taken e To avoid any risk of use of high voltage test function HV by unauthorized or not properly instructed personnel the lock key must be removed from the key switch 6 when the device is not in use The key can be removed in off position only thus mechanically locking the high voltage test function Other measurement functions remain accessible Appropriate usage WARNING e The instrument may only be used under those conditions and for those purposes for which it was conceived For this reason in particular the safety references the technical data i
6. USB interface to PC USB 2 0 host for barcode reader keyboard or USB memory stick FAT12 FAT16 or FAT32 with a sector size of 512 Byte 0 to 40 C accuracies given in technical data refer to this range 10 C 450 C 10 85 relative humidity without condensation up to 2000 m 230 V 10 50 Hz 230 VA T1 A 250 V 5x20 mm FF12 5 A 500 V 6 3x32 mm FFT A 500 V 6 3x32 mm EN 61010 1 EN 61557 parts 2 3 4 CAT II 300 V CAT IV 300 V CAT III 440 V CAT 1300 V Measurement input output is isolated with basic insulation against ground Maximal output voltage open circuit mains over voltage is 1300 V Degree of pollution Protection class IP protection Dimensions W x L x H Weight 2 IP 40 345 x 320 x 170 mm with handle Approx 7 kg 44 Measurement functions Earth bond resistance RPE 10A Measurement range Display range Resolution Accuracy Test current Test voltage open circuit Measurement principle Test lead compensation 0 12 20 00 Q 0 00 20 00 Q 0 01 9 3 rdg 2 digits approx 10 A AC mains voltage 230 V 10 standard test leads 2 x 2m and external resistance 0 1 Q approx 5 5 V AC floating Two wire connection Up to 5 00 by pressing the COMP key Protection against ext voltage Fuse F2 Earth bond resistance RPE 0 2A Measurement range Display range Resolution Accuracy Test current Test voltage open circuit
7. keys clear action must be confirmed by pressing the J menu key MEMORY PROPERTIES Display of the number of occupied and free memory locations AV O USB K CLEAR MEMORY PROPERTIES EA NS ee p Fig 16 LC Display menu MEMORY e Ifin CLEAR menu the option TOTAL or individual customer or individual machine or individual location is selected all data under selected address will be erased Another security query takes place before final realization e USB memory stick shall be connected to USB interface USB2 Three sound signals will follow after plugging it to USB2 connector as a confirmation the memory stick is recognized by the Machinery Tester MT204 S The USB memory stick has to be FAT12 FAT16 or FAT32 formatted sector size 512 Byte The data is written in a file that can be read by Software es control 31 DATE OPERATOR menu There are the following selection possibilities DATE Setting of actual date Use the W A and B menu keys to set the date then confirm it by pressing the menu key OPERATOR Entry of the operator After date confirmation the cursor is automatically placed to the last character of the operator s name Modify enter the name by using the VW A and eT menu keys then confirm it by pressing the menu key DATE 01 01 2009 OPERATOR SAMPLEMAN Figure 17 LC Display menu DATE OPERATOR e The date and operator are attached to each
8. read the instruction manual or to comply with the warnings and references contained herein can result in serious bodily injury or instrument damage Introduction You have acquired a high quality measurement instrument manufactured by BEHA AMPROBE GmbH which will enable you to perform repeatable measurements for a very long period of time The Machinery Tester MT204 S is a measurement instrument used for final inspection and documentation of electrical equipment of machines control cabinets switchgears as well as devices complying with EN 60204 1 The following features characterise the Machinery Tester MT 204 S Earth bond resistance measurement with 10 A AC or 0 2 A AC Loop Mains impedance measurement up to 440 V Display of prospective short circuit current Insulation resistance measurement with 500V DC available also adjustable test voltage from 250 500 V DC High voltage test with 1000V AC 50 Hz Residual voltage measurement and discharge time Easy operation using the rotary switch and the START STOP button Automatic start and save function for earth bond resistance and loop impedance allow both hands measurements on measured objects that are difficult to access Data memory for approx 2000 measurement results Integrated interface USB 2 0 for transfer of measurement results to PC Separate interface USB 2 0 for connection of USB barcode reader USB keyboard or USB memory stick Graphic LC Display for measurement val
9. so that the measurement value can be stored correctly 18 Measurements according to EN 60204 1 Earth bond resistance measurement RPE function e Complying with EN 60204 1 continuity of protective bonding circuit between PE terminal and relevant points of the protective conductor system must be checked by injecting a measurement current of 0 2 A up to approx 10 A e Limit values are the values which correspond to the length cross section and material of measured conductor 1 2 3 4 5 6 7 8 Set the measurement function selector 5 to RPE position Select measurement current 10 A or 0 2 A by using the Im menu key 14 For limit value setting press the LIM menu key 14 The limit value can be set by using the and menu keys Connect test probes or crocodile clips to the unit under test Start the measurement by pressing the START STOP button 7 or select automatic start and save function by pressing the F AUT menu key 14 Pilot lamp ON 8 indicates active measurement Read displayed result considering appropriate limit value Stop the measurement by pressing the START STOP button again Ree MAN C L0 5510 10A 1 0 30 Q COMP ae S 2 3 4 5 Figure 7 Measurement function RPE 1 Display of measurement function test lead compensation mark set limit value and parameters 2 F AUT F MAN menu key for selection of automatic manual start and store function 3 COMP men
10. the voltage is stabilized READY mark appears on the LC Display 9 Turn off main ON OFF switch on tested machine and wait measurement result to be displayed Residual voltage or Discharge time pay attention to corresponding limit values 26 URES LIN 1s H 1 2 v bo6 Figure 11 Measurement function URES 1 Display of measurement function parameters and set limit value 2 F t F U menu key for selection of measurement function Residual voltage or Discharge time 3 MODE menu key for selection of measurement mode LIN or UNLIN 4 TIME menu key for selection of measurement time 1 s or 5 5 tRES Umax 60V is H1 2s mam 2 3 Fig 12 Measurement function tRES 1 Display of measurement function parameters and limit value 2 F t F U menu key for selection of measurement function Residual voltage or Discharge time 3 LIM menu key for selection of discharge time limit value 1 s or 5s e For saving displayed measurement result press the SAVE function key 12 twice for further instructions see the Memorizing example section e If in linear mode the mains voltage is disconnected at too low value lt 20 of peak value it means scaling of measurement result to peak value is not possible In this case REPEAT THE MEASUREMENT message appears on the display and the measurement must be repeated 27 Explanation of linear and non linear mode Residual voltage measurement Linear mode
11. via internal resistance of approx 3 MQ The unit under test can retain dangerous voltage in case of premature removal of test leads Ensure 22 that the unit under test is discharged through the measurement instrument not through short circuit For saving displayed measurement result press the SAVE function key 12 twice for further instructions see the Memorizing example section Note Connect COM test lead to chassis if the object under test is grounded In case of reversed test leads measurement result may be affected by Instruments internal resistance of 10 MQ 23 High voltage test HV function According to EN 60204 1 electric equipment must withstand a voltage test between shorted active conductors of power circuit and the earth bonding system for approx 1 s The test shall be carried out at twice the rated supply or 1000 V whichever is greater 50 Hz Components not rated for this test voltage may be disconnected before carrying out the test Doane DANGER OF ELECTRICAL SHOCK The Machine tester MT204 S supplies high voltage of a dangerous power According to EN 50191 the following precautionary measures must be taken prior to a test Block access to danger area Put up warning signs Attention High voltage danger to life Install warning lamps red green to be easily visible Install EMERGENCY OFF switch into the mains installation outside the dangerous area Electrical trained personnel may only
12. 8 Residual voltage measurement Linear mode eee 28 Residual voltage measurement Non linear mode sss sese 29 Trigger conditions sse sese eee 29 Menu Pl on 1 C 30 General operation INSEMICIONS sse eee eee 30 MEMORY mMenu EA 31 DATE OPERA TOR menu ma 32 LANGUAGE OTST chsh RA roses aerate Gaertn A een 33 CONTRASTA MENU ice aeaaea lj a FRENE 33 BACKLIGHT ula 34 TESTERINFO MGM a ae a a reb rr SS 34 Memory feat g i ae ea aa an a AEE aaa E Aaaa ur anaE aa uses 35 Memory S ELUF TTT 35 General memory operations mis iii ski pis din 36 Memorizing e ami 0 i daag added 37 Recall data sss 38 Entry of memory address using external keyboard sss sese 39 Enter of memory address using bar code reader sen 40 dTa RT la al TA 41 A a A 41 Calibration Internal sia i i i i neon 41 99611 areas 41 Fuse replacement mains fuse F1 eee 42 Fuse replacement fuse F2 for RPE10A ZI RISO and HV functions 42 Fuse replacement fuse F3 for RPEO 2A function eee e eee 43 Technical data i it the eens ee ect Sie Ba na 44 General data ei i i mia Ha 44 Measurement functions Limited warranty and limitation of liability It is guaranteed that this BEHA AMPROBE product is free of material and manufacturing damages for the time period of 24 months starting from the date of purchase This warranty does not include fuse malfunctions as well as damages caused by accidents negligence misusage unauthorised modifications abnormal op
13. So A AMPROBE MT204 S Machinery Tester Users Manual ED So AAMPROBE MT 204 S Users Manual Limited warranty and limitation of liabilitv en 6 SEVICE A ER haa 6 References marked on the instrument or in this instruction manual 7 UALPOGU fej ia g cierre ae hes elt aidui face ae ai e 8 The following features characterise the Machinery Tester MT 204 S 8 Scope of Supply siea a a a eaaa aa aa aaa 9 Transport and storage 7 ii rt i 9 Safety TAS CS a i A ad s 10 Approprateusige 15 tune thant 11 Operation elements and Connectors w nn nn 12 Front panel of the Machinerv Tester MT 204 S en 12 INSEFLIBIER L COVER 22 2 2212 20 oc 29 5297979197979 7919 p e AP a a o 9 eE oE Tagi 12 Kase OTT 14 Saletvimeastif ES A ka 15 Preparation of the Machinery Tester MT 204 S en 16 Turning on the Machinerv Tester MT 204 S sse 16 Test lead compensation ie eee eee eee 16 Limit value setting sese eee l mini 17 External voltage display display in case of blown fuse sese eee 18 Automatic start and save function sse 18 Measurement according to EN 60204 1 Le 19 Earth bond resistance measurement RPE function L 19 Loop impedance Prospective short circuit current Measurement ZI IPSC FUNCTION L iii i a a b 20 Insulation resistance measurement RISO function L 22 High voltage test HV function ie e e f 24 Residual voltage Discharge time measurement URES TRES function 26 Explanation of linear and non linear mode sese sees eee 2
14. ads are compensated RPE MAN C L2 600 0 2A 0 00 o Gera INTA NET Figure 4 Measurement function RPE with compensated test leads IS The compensation is respected in all further measurements in both functions RPE and ZI Compensation value is saved also after the measurement instrument had been switched off 16 Limit value setting This function is available in measurement functions RPE ZI and RISO For limit value setting press the LIM menu key 14 then use the and menu keys to set appropriate limit value The EXIT function key shall be used to exit limit value setting display RPE MAN C L0 51Q 0 2A 0 519 D Ge ad Figure 5 Limit value setting IS In case test result comply with set limit value there are two short sound signals present after finishing the measurement In case of non compliance there is a corresponding warning symbol displayed accompanied with one longer sound signal after finishing the measurement The limit value is saved as a parameter of the measurement result and is transferred to PC in case of data transfer 17 External voltage display display in case of blown fuse e If there is an external voltage present at test tips in RPE RISO or HV functions prior to a measurement the VOLTAGE sign appears on the display and start of the measurement is blocked e If there is an external voltage applied to test tips after starting the RPE 10A meas
15. cally approx 2 s after selecting previous one Menu key 1 Enter entry is completed Function key EXIT Entry will be aborted Recall RCL Recall in this menu it is possible to clear individual measurement by pressing the menu key CLR e When entering fields for client machine and location alphanumeric characters A Z 0 9 symbols _ and space are available e When selecting the No field measurement number numeric figures 001 up to 999 are available The number is automatically increased by 1 for any next measurement to be saved e The measurement number No can be manually listed forward and backward It is also possible to overwrite already saved measurement result e Default value for new names clients machine and location is XXXX Memorizing example In order to save measurement result to a particular storage address follow the following instructions 1 Carry out the measurement 2 Press the SAVE function key 12 3 Level CUS customer is already marked Select already entered customer name by using the lt and gt menu keys If wished customer name is not entered yet then setup a new customer by using menu key K offered default name is XXXX Press the REN menu key and delete default name XXXX by using the lt menu key 4 Enter a new customer name for example CUS001 by using the Y and A menu keys Confirm entry by pressing the key 36 5 6
16. command The following structure of the memory address is offered CUS Customer 1 aoaaa eee MAC Machine 1 Machine 2 Machine 3 LOC Location 1 Location 2 Location 3 NO 001 RPE 10A RPE 0 2A RPE 10A NO 002 ZLOOP RLOOP URES NO 003 URES tRES RISO 500V NO 004 RISO 500V RISO 250V HV NO 005 HV HV NO 999 Figure 22 Storage structure CUS Customer max 17 characters MAC Machine max 17 characters LOC Location max 17 characters NO Measurement no of the test within address Location max 3 fig e The date and operator are attached to any measurement result automatically after finishing the measurement e In Software es control the field CUS customer is assigned to Client and the field MAC machine is assigned to Appliance The fields LOC location and NO measurement number are joint together hyphenated and entered into column Loc No to each test step 35 General memory operations Menu key Storage level customer machine location No is selected Menu keys lt and gt Already entered names for customer machine location Nr can be selected A new name can be opened by using the gt menu key Menu key REN Rename already entered name can be modified Menu key e Individual characters are deleted Menu keys WV and A Entry of characters A Z 0 9 _ and space can be selected Cursor moves to the next character automati
17. cteristic is non exponential or even unpredictable see the diagram below Coincidental switch off A at any mains voltage Relay may be switched off L 1s 5s l URES measured t Y Figure 14 Discharge diagram in non linear circumstances In this case result can not be scaled to peak value so actual value after the end of measuring time is registered and evaluated In this operation mode the measurement must be repeated several times to ensure the unit under test was tested under varying shut off conditions The highest measured value must be recorded Trigger conditions The instrument recognizes disconnection of mains voltage when one of the following two conditions occurs ACor DC input voltage If mean value of input voltage drops down with a slope of at least 25 V s mean value measured each period AC input voltage only If momentary voltage differs from ideal sine waveform value more than 40 of peak value of previous half period momentary voltage sampled 100 times per period e If in linear mode the mains voltage is disconnected at too low value lt 20 of peak value it means scaling of measurement result to peak value is not possible In this case REPEAT THE MEASUREMENT message appears on the display and the measurement must be repeated 29 Menu functions For further selection entry and display of instrument s settings press the MENU function key 12 the following sel
18. curacy LIN mode AC input 0OV 15V Measurement range tRES 0 8 300 0 s Display range tRES 0 0 300 0 s Accuracy tRES 2 rdg 2 digits Measurement trigger Automatic see the chapter Trigger conditions Input resistance 20 MQ Measurement time limit value Selectable 1s or 5s Residual voltage limit value 60 V DC Tolerance URES 0V 6V Subject to technical changes without notice 04 2010 PAEB90850000 47 Visit www Amprobe eu for e Catalog e Application notes e Product specifications e User manual
19. d must be removed e Use only fuses specified and rated in technical specifications e Use of unspecified fuses and in particular shorting fuse holders is prohibited e Spare fuses can be obtained in electric supplies wholesale shops or in our factory service 41 Fuse replacement mains fuse F1 In case mains switch pilot lamp 3 does not illuminate after connecting the Machinery Tester MT204 S to mains outlet and switching on the mains switch and neither the LC Display 16 shows any indication it is very likely mains fuse 2 to be blown To replace the fuse proceed as follows 1 Open the fuse holder 1 2 above the ON OFF switch by using an appropriate screwdriver 2 Remove the defective fuse and replace it with a new one T 1 A 250 V 5 x 20 mm 3 Close the fuse holder again Fuse replacement fuse F2 for RPE10A ZI RISO and HV functions Internal fuse F2 FF 12 5 A 500 V 6 3 x 32 mm has blown if e Text FUSE F2 12 5A appears on the LC Display in RPE10A RISO or HV function e Measurement values in ZI function are very low ZI lower than 0 05 Q or IPSC higher than 4 6 kA e Check the fuse also if FUSE F2 F3 appears on the LC Display in RPEO 2A or RPE10A function To replace the fuse proceed as follows 1 Unlock corresponding fuse holder 4 by using an appropriate screwdriver 2 Remove the defective fuse and replace it with a new one FF 12 5 A 500 V 6 3 x 32 mm 3 Lock the fuse holder again
20. ded Never directly touch test probes e The instrument may only be used in dry and clean environments Dirt and humidity reduce insulation resistance and may lead to electrical shocks in particular for high voltages e Never use the instrument in precipitation such as dew or rain In case of condensation due to temperature jumps the instrument may not be used e A perfect display of measurement values may only be ensured within the temperature range of 0 C to 40 C e Prior to opening the instrument ensure that it is switched off and disconnected from all current circuits e To ensure a safe measurement only use original test leads and accessories e Dangerous voltages may be present at units under test caused by insulation test or high voltage test Do not touch the units under test danger of electrical shock e Start any test series by earth bond resistance measurement e At insulation resistance high voltage and earth bond resistance measurement unit under test must be voltage free If necessary check the unit is voltage free i e by using a voltage tester 10 AA HIGH VOLTAGE DANGER OF ELECTRICAL SHOCK e The Machinerv Tester MT 204 S supplies high voltage of dangerous power According to EN 50191 the following precautionary measures must be taken prior to a test Block access to danger area Put up warning signs Attention High voltage danger to life Install warning lamps red green to be easily visible
21. do the tests under supervision of specialist staff and have to be trained regularly Use safety probes with protection against contact or with two hand operation only Always hold only one probe in one hand Connecting one test terminal to the object under test and working with one probe or holding both probes in one hand is prohibited It is prohibited to touch the unit under test during the test If need be additional measures must be taken e g cover made of insulating mats to protect the person performing the test against inadvertent contact with the test object Testing may commence only after all safety measures were taken Ensure that all switches on the unit under test are closed in order to test all it s components For the purpose of measurement all active conductors L1 L2 L3 N shall be shorted 1 Release the HV measurement function by using the key switch 6 and by turning it counter clockwise 2 Set the measurement function selector 5 to HV position 3 Use the It menu key 14 and select appropriate trip current 5 50 mA start with the minimum value of response 4 Connect test probes or crocodile clips to the unit under test 5 Start the test by pressing the START STOP button 7 6 Pilot lamp ON 8 indicates active measurement Additionally a red pilot lamp 1000 V 10 will switch on and an acoustic sounds signals indicate active dangerous high voltage present at test tips 24 e In cas
22. e of flashover in the unit under test the test is terminated immediately both pilot lamps 8 and 10 switch off and the FAIL mark is displayed 7 Stop the test by pressing the START STOP button again e After finishing the high voltage test set the measurement function selector 5 to any function but HV and lock the HV function against unauthorized use by removing the lock key e If the Machinery Tester MT 204 S is in mean time switched off or disconnected from mains the sign HV LOCKED appears on the LC Display after pressing the START STOP button Measurement function selector has to be turned out of the HV position and in again HV 1000VAC 5mA 1 1094v mm IN m 2 Figure 10 Measurement function HV 1 Display of measurement function and parameters 2 It menu key for selection of tripping current e For saving displayed measurement result press the SAVE function key 12 twice for further instructions see the Memorizing example section 25 Residual voltage Discharge time measurement URES tRES function What are residual voltages Residual voltages are such voltages that exist even after switch off a machine or a device This can be caused e g by built in capacitors or subsequent generators This measurement is performed using the function URES tRES According to EN 60204 1 accessible live parts connected to dangerous voltage must discharge within 5 seconds permanentl
23. ection menu appears MEMORY T DATE OPERATOR LANGUAGE CONTRAST BACKLIGHT 2 TESTER INFO oo Figure 15 LC Display Main menu Selected menu function Other available menu functions Y menu key down A menu key up 1 menu key Enter UBWN A General operation instructions Use the W and A menu keys to select wished menu function then confirm it by pressing the key Entered menu function may be aborted by pressing the EXIT function key 12 Inside selected submenu SAVE TO USB or CLEAR a storage address is to be selected by using the lt gt and Y menu keys By pressing the REN menu key entered names customer machine location can be modified use the lt menu key to erase previous characters By pressing the selected function is activated 30 MEMORY menu In this menu the following selections are available SAVE TO USB Transfer of stored data to USB memory stick The whole storage individual customer machine measurement location or only measurement result can be transferred Data records to be transferred can be selected with the lt gt and Y menu keys and transfer action by pressing the J menu key CLEAR Erasing of measurement results The whole memory individual customer machine measurement location or only measurement result can be erased Data records to be erased can be selected by using the lt gt and Y menu
24. elcome accessory when inserting memory address construction customer machine and location in order to do the job quickly and simply Connect the USB keyboard to USB2 connector three sound signals follow after plugging it as a confirmation of USB device recognition Now the external keyboard is operational The following keyboard keys are active to control the MT 204 S USB keyboard Function MT 204 S F1 F2 F3 F4 Menu keys 1 to 4 14 F5 F6 F7 F8 S keys SAVE RCL MENU Esc Function key EXIT 12 ENTER Menu key a 14 bet Menu keys W A 14 lt gt Menu keys lt gt 14 A B C Z Entry of storage address 0 1 2 9 Entry of storage address PEA S Entry of storage address special symbols Space Entry of storage address space Pos 1 Home Moves cursor to start position when entering memory address Moves cursor to end position when Ende entering memory address Deletes character left from the lt 1 cursor when entering memory address Deletes character at the cursor when Entf entering memory address Menu key 14 Menu key 14 Table 1 Functions of the USB keyboard 39 Entry of memory address using barcode reader The optional USB barcode reader is a welcome accessory when inserting memory address structure customer machine and location in order to do the job quickly and simply Connect the USB barcode reader to USB2 co
25. ent values limit values and parameters Front panel fastening screws 4 peaces Instrument cover 18 19 Brief instructions with limit values Compartment for test leads and measurement accessories Measurement accessories are stored in the compartment under the instrument cover Instrument cover holds also a card with brief instructions and limit values according to EN 60204 1 12 EN 60204 limit Zu L N L PE Rt Pe Ipsc Ik Ipsc Ik 0 12 20 2 0 2 A 10 A 0 12 20 Q 200 253 V 440 V Ipsc iK 10 3333 A URES 10 440 V 158 55 tRES 0 300 s Riso 0 12 100 MO 250 500 V DC 1 mA HV 1 kV AC 5 50 mA AECE FF12 5A 500V TESTt RPE FF1A 500V A Comp RPE Zi Figure 1 Machine Test MT 204 S 13 LC Display Display in a measurement function e g RPE RPE MAN C L 2 6009 10A 1 0 58 a PAU ee Sa SR 3 Figure 2 LC Display in measurement function RPE 1 Line for display of measurement function limit value and parameters 2 Display of measurement value and unit 3 Menu keys line Menu display after pressing the MENU key MEMORY E DATE OPERATOR LANGUAGE CONTRAST BACKLIGHT 2 TESTER INFO o Figure 3 LC Display main menu 1 Selected menu function 2 Other available menu functions 3 Menu key Y down 4 Menu key A up 5 Menu key J enter 14 Safety measures A et e Correct functionality of the instrument must be veri
26. erating conditions or improper handling The sales offices do not have the right to extend the warranty on behalf of BEHA AMPROBE Service All instruments that are sent in for repair or calibration within or beyond the warranty period must contain the following data Name of the client name of the company address contact telephone number and a proof of purchase Please enclose also the test leads and a short description or a service form of the problem detected or of desired maintenance Amprobe Test Tools Europe BEHA AMPROBE GmbH In den Engematten 14 79286 Glottertal Germany Tel 49 0 7684 8009 0 Fax 49 0 7684 8009 410 www amprobe eu info amprobe eu References marked on the instrument or in this instruction manual T Warning of a potential danger comply with instruction manual Reference please pay utmost attention Symbol for marking of electrical and electronic equipment ey AN Caution dangerous voltage Danger of electrical shock A WEEE Directive Conformitv svmbol the instrument complies with the valid C C directives It complies with the EMC Directive and the Low Voltage Directive Danii e The instruction manual contains information and references necessary for safe operation and maintenance of the instrument Prior to using the instrument the user is kindly requested to thoroughly read the instruction manual and comply with it in all sections e Failure to
27. f short circuit current press the IPSC menu key 14 Stop the measurement by pressing the START STOP button again Z MAN C L1500 20A 1 0 58 Q9 2 3 4 5 Figure 8 Measurement function ZI 1 Display of measurement function parameters test lead compensation mark and set limit value 2 F AUT F MAN menu key for selection of automatic manual start and store function 3 Z Ipsc menu key for selection of loop impedance or short circuit current function 4 Im menu key for selection of measurement current 20 A or LOW 5 LIM menu key for limit value setting 20 e For saving displayed measurement result press the SAVE function key 12 twice for further instructions see the Memorizing example section e By setting the test current to 20 A the loop impedance measurement will be executed quickly and accurately Potential motor protection switch or residual current device RCD can be triggered during the measurement because of high test current e By setting the test current to LOW low test current is used and the motor protection switch or RCD will not be triggered during the measurement However the measurement takes more time and the measurement range as well as resolution are reduced 21 Insulation resistance measurement RISO function e According to EN 60204 1 the insulation resistance between shorted active conductors of power circuit and the earth bonding system must be checked applyin
28. fied prior to any use e Attention must be paid to proper condition of the test leads measurement accessories and measurement instrument itself e Test leads and measurement accessories may only be touched on protected areas Touching of conductive probes is prohibited at all times e The instrument may be used within specified measurement ranges only WARNING e During measurement of earth bond and insulation resistance as well as during High voltage test the unit under test must be voltage free and disconnected from mains voltage In case of doubt verify the voltage state by using a voltage tester e The instrument is protected against overload up to 440 Veff AC e Measurement input of the Machinery Tester MT 204 S may be connected to max 440 V AC pay also attention to overvoltage category CAT IV 300 V CAT III 440 VI e Measurement function selector must be set to required position prior to connecting test probes to the unit under test e Test leads must always be removed from the tested object before selecting a new function or another measurement range e Be aware that during measurement of earth bond resistance contact resistances at the place of measurement affects the measurement result Ensure good contact between the test probe or crocodile clip and the unit under test e Results of earth bond resistance measurements may be affected by impedances of additional operating current circuits connected in parallel or by eq
29. g a test voltage of 500 V DC The limit value is 1 MQ e Ensure that all switches on the unit under test are closed in order to test all it s components For purpose of the measurement all active conductors L1 L2 L3 N must be shorted 1 2 3 4 5 6 7 8 Set the measurement function selector 5 to RISO position Use the Uiso menu key 14 to select the measurement voltage 500 V or adjustable 250 V 500 V For limit value setting press the LIM menu key 14 The limit value can be set by using the and menu keys It can be also set directly to 1 MQ by pressing the 1MQ menu key Connect test probes or crocodile clips to the unit under test Start the measurement by pressing the START STOP button 7 Pilot lamp ON 8 indicates active measurement Read the displayed result considering the appropriate limit value Stop the measurement by pressing the START STOP button again RISO L1 00MQ 250V 1 0 05 mo S mia BI RIDA 4 D 6 Figure 9 Measurement function RISO 1 Display of measurement function parameters and limit value 2 Uso menu key for selection of test voltage 500 V or adjustable 250 V 500 V 3 LIM menu key for limit value setting 4 U and U menu keys for test voltage setting e Due to the measurement of insulation resistance capacitive units under test will be charged with test voltage The unit under test will be discharged after finishing the measurement
30. measurement result automatically after finishing the measurement 32 LANGUAGE menu There are the following selection possibilities ENGLISH GERMAN FRENCH ITALIAN or Spanish language N GERMAN FRENCH ITALIAN SPANISH Km NS ee ee Figure 18 LC Display menu LANGUAGE CONTRAST menu Contrast of the LC Display can be adjusted by using the and menu keys tt 50 Ee aS Eas Eee Figure 19 LC Display menu CONTRAST 33 BACKLIGHT menu Backlight of the LC Display can be switched either off or on by using the OFF and ON menu keys BACKLIGHT Dam a KONI Figure 20 LC Display menu BACKLIGHT TESTER INFO menu The following instrument information can be read in this menu Model Serial number Catalogue number Firmware version and Hardware version MODEL MT204 S SER NO XXXXXXXX CAT NO 9085 FW VER 1 XX HW VER 1 XX Figure 21 LC Display menu TESTER INFO 34 Memory features Any memory address consists of a customer name machine name and location name The memory address should be entered selected before storing measurement results Date and operator must be entered before carrying out the measurements as they are attached to any measurement result immediately after finishing the measurement Memory structure Measurement result limit value and parameters are saved to selected memory address upon receiving the SAVE
31. ncluding environmental conditions and the usage in dry environments must be followed e When modifying the instrument the operational safety is no longer ensured e The instrument may only be opened by an authorised service technician Before opening the instrument must be switched off and disconnected from any electrical circuit 11 Operation elements and connectors Front panel of the Machinery Tester MT 204 S Qn Ln E WN IEC connector for mains supply Mains fuse F1 ON OFF mains switch with red pilot lamp Fuses for measurement functions RPE RISO and HV F2 F3 Measurement function selector HV lock key enabling disabling the High voltage test flash test The key can be removed in HV off position only Dangerous high voltage will be applied to the output sockets 9 after pressing the START STOP button 7 Button START STOP starts or stops the selected measuring function Pilot lamp ON white measurement active Output sockets for all measurement functions Pilot lamp 1000 V red high voltage test active Eyelet for fastening the holding cord of the device cover Keyboard with 4 function keys SAVE RCL recall MENU EXIT USB interface for PC USB1 Keyboard with four menu keys Function of these keys is adjusted to the actual function and can be seen in the bottom line of the LC Display USB interface for USB barcode reader USB keyboard or USB memory stick USB2 Graphic LC Display for measurem
32. ng will be excluded from warrantv claims Instruments must be stored in drv and closed areas In case of an instrument being transported in extreme temperatures a recoverv time of minimum 2 hours is required prior to instrument operation Safety measures The Machinery Tester MT 204 S has been built and tested in compliance with the valid safety regulations and left the factory in safe and perfect condition In order to maintain this condition and to ensure safe instrument operation the user must pay attention to the references and warnings contained within this instruction manual POD viscid DANGER OF ELECTRICAL SHOCK e In order to avoid electrical shock the valid safety and national regulations regarding excessive contact voltages must receive utmost attention when working with voltages exceeding 120V 60V DC or 50V 25V RMS AC The values in brackets are valid for limited ranges as for example medicine e The respective accident prevention regulations established by the professional associations for electrical systems and equipment must be strictly met at all times e Prior to any operation ensure that test leads used mains cable and accessories are in perfect condition e The instrument may only be connected to mains voltage as indicated on the type shield e The instrument may only be used within the operating ranges as specified in the technical data section e Only touch test leads and test probes at handle surface provi
33. nnector three sound signals follow after plugging it as a confirmation of USB device recognition Connect the barcode reader to USB2 connector Storage address level customer machine or location must be selected first by using the W menu key then scan can be done 40 Maintenance When using the instrument in compliance with the instruction manual no special maintenance is required However should functional errors occur during normal operation our after sales service will repair your instrument without delay Cleaning If the instrument is needed to be cleaned after daily usage it is advisable to use a wet cloth and a mild household detergent Prior to cleaning remove the machinery tester from all measurement circuits and from mains Never use acid based detergents or dissolvent liquids for cleaning After cleaning it do not use the instrument until it is completely dried up Calibration interval We suggest a calibration interval of one year If the instrument is used very often or if it is used under tough conditions we recommend shorter intervals If the instrument is rarely used the calibration interval can be extended on to 3 years Fuse replacement If due to overload or improper operation a fuse blows it is necessary to obey the following notes for replacement L Prior to replacement of blown fuse the Machinery Tester MT 204 S must be disconnected from all measuring circuits and mains supply cor
34. r pressing the SAVE menu key 37 Recall data In order to recall stored measurement result follow the following instructions 1 2 3 4 5 6 Press the RCL menu key 12 Level CUS customer is already marked Select wished customer name by using the lt and gt menu keys Select the next storage level MAC machine by using the V menu key Select wished machine name by using the lt and gt menu keys Select the next storage level LOC location by using the Y menu key Select wished location name by using the lt 4 and gt menu keys Select the next storage level NO measurement number by using the W menu key Select wished measurement number by using the lt and gt menu keys Press the RCL function key 12 again to recall stored measurement result Now it is possible to browse among all measurement numbers under selected storage address by using the lt and gt menu keys CUS AURAN MAC MAC 002 LOC LOC 99 NO 021 RPER Rb Re he SS Figure 24 Recall address Individual recalled measurement results can be deleted by pressing the CLR menu key Storage address with the last stored measurement result is offered always after activating Recall operation If selected storage address is not occupied LOCATION EMPTY appears on the LC Display 38 Entry of memory address using external keyboard The optional USB keyboard is a w
35. ted to measured installation close to measurement location Voltage measurement TRMS at Loop impedance Measurement range Display range Resolution Accuracy Insulation resistance RISO Measurement range Display range Resolution Accuracy Test voltage UN Test voltage tolerance Test current 500 V range Test current 250 V range Short circuit current Discharge finishing 10 440 V 50 Hz 10 440 V 1V 2 rdg 2 digits 0 12 19 99 20 0 100 0 MQ 0 00 19 99 20 0 100 0 MQ 0 01 MQ 0 1 MQ 3 rdg 3 digits 500 V DC or adjustable 250 500 V DC in 10 V steps 0 25 gt 1 mA DC at 500 kQ load gt 1 mA DC at 250 kQ load lt 5 mA DC Internal resistance of 3 MQ after the measurement Note COM terminal is connected to PE with an impedance of approx 10 MOhms High voltage test HV Test voltage UN Open circuit test voltage Accuracy of disp test voltage Output power Short circuit current Breaking current It 1000 V AC 50 Hz floating 1000 up to 1300 V AC 230 V 10 3 rdg 50 VA max 0 4 A approx Selectable 5 mA 10 mA 25 mA or 50 mA 46 Accuracy of trip current 15 of It Breaking time after reaching breaking current lt 20 ms Residual voltage Discharge time URES tRES Input voltage range 0 440 V AC 50 Hz 0 622 V DC Measurement range URES 10 622 DC oder ACp Accuracy URES general 2 rdg 2 V Ac
36. u key for test leads compensation 4 Im menu key for selection of test current 10 A or 0 2 A 5 LIM menu key for limit value setting e To save displayed measurement result press the SAVE function key 12 twice for further instructions see the Memorizing example section 19 Loop impedance Prospective short circuit current measurement ZI IPSC function e According to EN 60204 1 the conditions for protection against electric shock in installations with automatic disconnection of mains voltage are e Measurement or evaluation of fault loop impedance and testing the over current protection device involved in the fault loop e Limit values are shown in the Table 10 of EN 60204 1 1 2 3 4 5 Set the measurement function selector 5 to ZI position Use the Im menu key 14 to select appropriate measurement current 20 A or LOW For limit value setting press the LIM menu key 14 The limit value can be set by using the and menu keys Connect test probes or crocodile clips to the unit under test present voltage will be displayed If the value is within specified range the sign READY appears on the LC display Start the measurement by pressing the START STOP button 7 or select automatic start and save function by pressing the F AUT menu key 14 Pilot lamp ON 8 indicates active measurement Read the displayed result considering the appropriate limit value For display o
37. ualizing currents e In the event that many loop impedance measurements are performed with only short breaks in between the internal protection against over temperature will respond and the display HOT WAIT will appear Next measurement cannot start until the instrument is cooled down approx 5 minutes This protects the instrument against damage 15 Preparation of the Machinery Tester MT 204 S Turning on the Machinery Tester MT 204 S 1 Connect the Machinery Tester MT 204 S to correctly installed schuko mains socket using supplied mains cord 2 Use the mains switch ON OFF 3 to turn on the MT 204 S 3 After turning on the MT 204 S pilot lamp of the power switch 3 will switch on and LC Display 16 will show initial readout of selected function 4 Connect both safety test leads with touch protection to MT 204 S test sockets 9 5 The MT 204 S is now ready for use Test lead compensation 1 Set the measurement function selector 5 to RPE position 2 Connect both test probes to each other If need use enclosed crocodile clips or measurement extensions 3 Start the measurement by pressing the START STOP button 7 Pilot lamp ON 8 indicates active measurement 4 Stop the measurement by pressing the START STOP button again 5 Press the COMP menu key 14 Displayed value is saved as a compensation value and turns to 0 00 In the upper display line sign C compensated appears as a note test le
38. ues limit values and test parameters Compact housing with accessory compartment Connection diagrams and limit values under the instrument cover One pair of sockets and test leads only for all measurement functions Compensation of test lead s resistance for earth bond resistance and loop impedance measurement High voltage test can be locked by using the protection key switch operation available for properly instructed persons only High voltage test with adjustable breaking current Scope of supply 1 pc Machinerv Tester MT 204 S 1 pc HV function lock key 1 pc Mains cord Schuko 1 pc Mains cord Swiss 1 pc Mains cord UK 2 pcs Safety test leads 2 m 2 pcs Safety test lead extensions 10 m 2 pcs Alligator Clips 1 pc USB interface cable 1 pc CD with USB drivers and instruction manual 1pc Instruction manual in English German French Italian Spain Optionally we offer test report forms and professional PC software for quick and easy creation of final test reports complying with EN 60204 1 Available accessories PC Software for creation of test reports es control prof USB Bar code reader USB Keyboard For leakage current measurement Current clamp AC50A measuring range 0 01 A 60 A Leakage current clamp with harmonic measurement CHB 5 measuring range 0 05 mA 50 A Transport and storage Please keep the original packaging for potential later transport e g for calibration Anv transport damage due to faultv packagi
39. urement or if there is an over voltage applied in ZI or HV function fuse F2 may blow The sign FUSE F2 12 5A appears on the LC Display e If there is an external voltage applied to test tips after starting the RPE 0 2A measurement fuse F3 may blow The sign FUSE F3 1A or FUSE F2 F3 appears on the LC display e f an external voltage is applied to test tips during the measurement in RISO function wrong measurement values may be displayed Ree MAN C 12 600 0 2A Ree MAN _ C_ 12 600 0 2A Ree MAN C_ 12 600 0 2A FUSE F2 F3 FUSE F2 12 5A FUSE F3 1A IE AUT JCOMPL RR NO JCOMPL STR 998 Figure 6 Display in case of blown fuse Automatic start and save function The Machinery Tester MT 204 S has an automatic start and save function for earth bond resistance and loop impedance measurements It can be used by pressing the F AUT menu key The measurement starts automatically 1 s after test leads are connected to the unit under test and stops automatically after measurement result is achieved The result is then automatically stored to preset memory address e Automatic start and save function enable both hands measurement without pressing the START STOP button It shall be used especially on measurement objects that are difficult to access e Before using the automatic measurement memory address customer machine and location as well as the date and operator s name must be set entered
40. y connected machines or within 1 second plugged in machines down to 60 V Proof of this must be given through tests In the event of non compliance additional measures discharge devices warning information covers etc according to EN 60204 1 must be taken With the Machinery Tester MT 204 S the residual voltage can be measured 1s or 5s after switching off tested machine Measurement of residual voltage can be carried out in linear or non linear mode see the section Residual voltage Linear mode or section Residual voltage Non linear mode 1 Set the measurement function selector 5 to URES position 2 Use the F t F URES menu key 14 to select the measurement function Residual voltage or Discharge time 3 In Residual voltage function use the MODE menu key 14 to select measurement mode LIN or UNLIN and TIME menu key to select measuring time 1 s or 5 s 4 In Discharge time function use the LIM menu key 14 to select the limit value for discharge time 1s or 5 s 5 Connect test probes or crocodile clips to the unit under test select the accessible points where the residual voltage can cause danger mains connection touchable contacts capacitors active conductors etc 6 Start the measurement by pressing the START STOP button 7 7 Pilot lamp ON 8 indicates active measurement 8 Turn on main ON OFF switch on tested machine the value of present voltage appears on the LC Display Once
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