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ENGLISH User`s manual

1. EN 15 EN HT IMP57 e H the instrument is LOOP 05 06 02 overheated the display will show the message 2 Q on side R 0Q X Q Please wait until the RES LED STATUS on IMP57 V1 2 461V FRQ 50 0HZ get back to Green light VP DP Z2Q FUNC ZSTD ICAL IRMT Instrument overheated If You get the message ad 05 06 02 on side after pressing START button please 2 Q e R DRE Q Saon contact HT Service IKSTD A V1 2 461V FRQ 50 0H7 rror P P 22Q FUNC ZSTD ICAL RMT PREVIOUS RESULT CAN T BE STORED INTO INSTRUMENT MEMORY If the instrument Boo 05 06 02 The gt symbol indicate measure an impedance that the measure is higher higher than 1999mQ will Z gt 19999 than 1999mQ show the message on is aa aaia side Disable the Z2Q High Resolution V1 2 461V FRQ 50 0HZ measurement mode and execute standard LOOP measurement DP Z2Q FUNC ZSTD ICAL RMT You can save these results by pressing the SAVE button twice EN 16 NY HT IMP57 6 2 OPERATING INSTRUMENT FOR TYPE 2 INSTRUMENT Operating Instruction are given according to Table 1 Instrument Type definition 6 2 1 Instrument Settings Select LOOP rotary switch position Select one of the following connection by means FUNC button P P P N P PE available among the functions P P P N P PE Ra Q
2. Press Un lAn to enable the High Resolution Measurement Z2Q working mode correspondently the LOWQ and LOOP symbols will be displayed in the lower part of the display When Z2Q working mode is enabled it s possible to select one of the following measurement mode by means the FUNC button cz P N The instrument execute the High Resolution Phase Neutral impedance measurement and calculate the Prospective Short circuit Current P P The instrument execute the High Resolution Phase Phasel impedance measurement and calculate the Prospective Short circuit Current P PE The instrument execute the High Resolution Phase ground impedance measurement and calculate the Prospective Short circuit Current Press Un lAn button to quit High Resolution Measurement mode Z2Q 6 2 2 Prospective Short Circuit Current Calculation Independently by the connection selected the instrument calculated the Prospective short circuit current as SR LS STD Z us Standard Prospective Short Circuit current where Voltage Unom 230V 10 lt Vmeasured lt 230V 10 230V 230V 10 lt Vmeasured lt 400V 10 Vmeasured 400V 10 lt Vmeasured lt 400V 10 400V EN 17 HTI IMP57 6 2 3 Run the Test When the IMP57 has been connected according to paragraph 5 and the MASTER instrument has been set according to paragraph 6 2 1and 6 2 2 you can run the Test by means the START button During the test the S
3. LEGEND 1 MASTER Instrument 2 RS232 cable C2001 or C232NG1 Fig 2 Connecting IMP57 to MASTER instrument EN 6 NY HT IMP57 The instrument is fully controlled by means the RS232 serial interface The IMP57 can be connected to the following MASTER instruments MASTER Instrument Instrument Type Firmware Upgrading Proc GSC57 GSC53 GENIUS5080E 1 1 37 or successive User GSC53N SIRIUS 89 MACROTEST 5035 SIRIUS 87 2 1 16 or successive User COMBITEST 2019 1 33 or successive HT COMBITEST420 COMBITEST419 3 1 02 or successive GE SPEEDTEST 418 FULLTEST4058 4 1 08 or successive HT FULLTEST4050 5 A3 0 or successive HT Table 1 Instruments Type If the Firmware release is older please execute the Firmware upgrading procedure described in file Readme_Leggimi pdf included in package HT recommends to check the Firmware release of the MASTER instrument before attempt to execute the test This information is present in the Switch ON screen of the MASTER instrument Test results are sent by IMP57 to MASTER instrument through C2001 or C232NG1 cable All the stored test results can be reviewed on the MASTER instrument display and sent to a personal computer EN 7 EN HT IMP57 5 OPERATING INSTRUCTIONS 5 1 PHASE TO PHASE IMPEDANCE MEASUREMENT AND PHASE TO PHASE THREE PHASE PROSPECTIVE SHORT CIRCUIT CURRENT CALCULATION
4. apparatus and or its components or injure the operator e When the instrument is connected to the tested circuit never touch any test lead which is not being used e The STATUS LED blinking in red indicates that the instrument is overheating You will have to wait until STATUS LED get back to GREEN status before executing new test e Never execute more than 50 test in one hour e The red colour fixed of STATUS LED indicates a dangerous situation Disconnect immediately Test Leads from the Circuit under Test 1 3 AFTER USE e Always disconnect alligator clips from the circuit under Test before disconnecting Test cables from Instrument s inputs 1 4 DEFINITION OF MEASURING OVERVOLTAGE CATEGORY The norm EN 61010 Safety requirements for electrical equipment for measurement control and laboratory use Part 1 General requirements defines what a measuring category usually called overvoltage category is Circuits are divided into the following measurement categories e Measurement category IV is for measurements performed at the source of the low voltage installation Examples are electricity meters and measurements on primary overcurrent protection devices and ripple control units e Measurement category Ill is for measurements performed in the building installation Examples are measurements on distribution boards circuit breakers wiring including cables bus bars junction boxes switches socket outlets in the fix
5. U NOM i I T Generic STD Z MIS Generic Prospective Short Circuit Current where 4 JUS Rar ee and Voltage Unom Cun Cmax 230V 10 lt Vmeasured lt 230V 10 230V 0 95 1 05 230V 10 lt Vmeasured lt 400V 10 Vmeasured 1 00 1 10 400V 10 lt Vmeasured lt 400V 10 400V 0 95 1 05 6 1 3 Run the Test When the IMP57 has been connected according to paragraph 5 and the MASTER instrument has been set according to paragraph 6 1 1 and 6 1 2 you can run the Test by means the START button During the test the STATUS LED will get Orange colour and when the Test is completed the results will be shown on instrument display EN 12 IMP57 6 1 4 Test results analysis e P P Test result After the Test the instrument will show a screen as indicated below Measured Voltage Ze 35 IkMax3Ph 14kA Frequency V1 2 394V FRQ 50 0HZ The Prospective Short Circuit Current is calculated according to one of the relationship DP Z2Q Phase Phase Impedance mQ LOOP 05 06 02 Phase Phase Resistance mQ oe AES ma Phase Phase Reactance mQ Prospective Short Circuit Current FUNC ZSTD ICAL RMT indicates in paragraph 6 1 2 for Phase Phase connection You can save these results by pressing the SAVE button twice e PN Test result After the Test the instrument will show a screen as indicated below
6. Z P P P P Phase Phase 2 2 P P Three Phase Minimum Prospective Short Circuit Current Three Phase Maximum Prospective Short Circuit Current U NOM U NOM P P 2 P P I MIN2ph Cun 7 HOT I MAX 2ph 7 un 7 P P P P Two Phase Minimum Prospective Short Circuit Current Two Phase Maximum Prospective Short Circuit Current U NOM U NOM Phase Neutral Iun p n Cun a Jun wuar P N Z P N Z P N Single Phase Minimum Prospective Short Circuit Current Single Phase Maximum Prospective Short Circuit Current U NOM U NOM I ac P PE I 0 P PE Phase Protection conductor MIN P PE MIN Z HOT MAX P PE MAX Z P PE P PE P PE Fault to Ground Minimum Prospective Short Circuit Fault to Ground Maximum Prospective Short Circuit Current Current U NOM I Generic STD Z MIS Generic Prospective Short Circuit Current where HOT _ 2 2 Z p_x 1 5 Rp_y X px X P N PE and Voltage Unom Cmn Cmax 230V 10 lt Vmeasured lt 230V 10 230V 0 95 1 05 230V 10 lt Vmeasured lt 400V 10 Vmeasured 1 00 1 10 400V 10 lt Vmeasured lt 400V 10 400V 0 95 1 05 EN 23 IMP57 6 3 3 Run the Test When the IMP57 has been connected according to paragraph 5 and the MASTER instrument has been set according to paragraph 6 3 1 and 6 3 2 you can run the Test by means the START button During the test the STATUS LED will get Orange colour and when the Test is completed the results will be shown on instrument d
7. 10 lt Vmeasured lt 400V 10 400V 0 95 6 5 3 Run the Test When the IMP57 has been connected according to paragraph 5 3 and the MASTER instrument has been set according to paragraph 6 5 1 and 6 5 2 you can run the Test by means the START button The TEST led turns on indicating that l IMPS7 is testing During the test the STATUS LED will get Orange colour and when the Test is completed the results will be shown on instrument display 6 5 4 Test result analysis The instrument carries out measurement of Phase to Earth line impedance between the two points where IMP57 crocodiles are connected The result is considered as good indicated by a brief sound signal bip bip after completing measurement or not good indicated by a long sound which breaks off just pressing STOP key if the value of phase to earth minimum prospective short circuit current is higher or lower than the current limit threshold value llim The value of llim depends on the values set for rated current of magneto thermal device and type of magneto thermal device see par 6 5 1 If necessary save the result pressing SAVE key EN 32 EN HT IMP57 6 5 5 Anomalous results 1 Display of message not rdv indicates that IMP57 is not reacting the commands sent by FULLTEST4050 through serial interface Check that FULLTEST4050 is connected to IMP57 by means of C232NG1 cable and that IMP57 is powered green LED If after pressing START key the m
8. 4 4 Check if the STATUS LED is light in Green 5 Switch ON the MASTER instrument select the Phase to Neutral Measurement mode and Start the Test see chapter 6 For further details description about Test results and Save procedure see paragraph 6 EN 9 NY H TI IMP57 5 3 PHASE TO PE PROTECTION CONDUCTOR IMPEDANCE MEASUREMENT AND PHASE TO PE PROSPECTIVE SHORT CIRCUIT CURRENT CALCULATION WARNING e Never use the instrument in electrical plants with Nominal phase to phase voltage higher than 415V or a Nominal phase to neutral voltage or phase to ground voltage higher than 240V e The Phase to PE impedance measurement entails the flowing of a current up to 116A between the above said conductors This can cause tripping of magnetothermal switch having rated value lower than 116A and will cause the db RCD tripping If necessary execute the measurement upstream the switch or RCD e f possible disconnect all the low impedance loads connected downstream the point where the test is to be carried out as the impedance of the above said loads results to be in parallel with the impedance under test e Always make sure that the upper and lower metal plate of the alligator clips make good contact with the conductors of the circuit under test e Never disconnect the Alligator clips or Test leads during the Test Fig 5 Instrument connection for phase to ground impedance measurement 1 Connect the IMP57 RS232 to
9. MASTER instrument through RS232 cable see paragraph 4 2 2 Connect the alligator clip to the Electrical pant according to Fig 5 3 Insert the 4 safety connectors into corresponding instrument s inputs according to sequence P1 P2 C2 C1 see Fig 5 4 Check if the STATUS LED is light in Green 5 Switch ON the MASTER instrument select the Phase to PE Measurement mode and Start the Test see chapter 6 For further details description about Test results and Save procedure see chapter 6 EN 10 EN HT IMP57 6 MASTER INSTRUMENT SETTINGS Operating Instruction are given according to Table 1 Instrument Type definition 6 1 OPERATING INSTRUMENT FOR TYPE 1 INSTRUMENT 6 1 1 Instrument Settings Select LOOP rotary switch position Select one of the following connection by means F1 button P P P N P PE available among the functions P P P N P PE Rak Q Press F2 to Enable the High Resolution Measurement Z2Q working mode correspondently the Z2Q symbol will be displayed in the lower part of the display When Z2Q working mode is enabled it s possible to select one of the following measurement mode by means the F1 button P N The instrument execute the High Resolution Phase Neutral impedance measurement and calculate the Prospective Short circuit Current Calculation selected P P The instrument execute the High Resolution Phase Phase impedance measurement and calculate the Pr
10. Press MENU button select LOOP by means AV buttons and press ENTER button Mod Select by means gt buttons the virtual button Mod and by means A V buttons the Z2Q function The instrument shows LOOP CH 15 V1 2 230V FRQ 50Hz P N Z2Q Mod ICAL RMT Funz Select by means lt gt buttons the virtual button Funz and by means A V buttons the function e P N the instrument execute the High Resolution Phase Neutral impedance measurement and calculate the Prospective Short circuit Current Calculation selected e P P the instrument execute the High Resolution Phase Phase impedance measurement and calculate the Prospective Short circuit Current Calculation selected e P PE the instrument execute the High Resolution Phase ground impedance measurement and calculate the Prospective Short circuit Current ICAL Select by means gt buttons the virtual button ICAL which allows the selection of Prospective Short Circuit current calculation according to paragraph 6 3 2 by means A XV buttons RMT Select by means gt buttons the virtual button RMT The instrument will show e IMP57 Serial Number e Firmware release e calibration date EN 22 IMP57 6 3 2 Prospective Short Circuit Current Calculation The instrument calculated the Prospective short circuit current as Connection NOM NOM Up_p U pP 3 V3 Loge 3 ph Cran ZAOT 1 ax 3ph wus
11. Resolution Accuracy 47 5 52 5Hz 0 1Hz 0 2Hz 9 1 1 Safety Guidelines e IMP57 comply with EN 61010 EN61557 e Insulation Class 2 Double Insulation e Pollution degree 2 e max altitude 2000m e Overvoltage category CAT III 240V to ground CAT III 415V between inputs P1 C1 P2 C2 9 1 2 Safety standards The instrument complies with CEI 64 8 612 6 3 EN61557 3 EN60909 0 VDE 0413 9 1 3 General Characteristics e Dimensions 340mm L x 300mm W mm x 150mm H e Weigh approx 4100g without accessories Power Supply e Nominal Voltage 220 415V between P1 and P2 e Frequency 50Hz 5 EN 35 NY HT IMP57 9 2 ENVIRONMENT 9 2 1 Environmental condition Reference temperature 23 C 5 C Operating temperature 0 C 40 C Allowed relative humidity lt 80 HR Storage temperature 10 C 60 C Storage humidity lt 80 HR This product conforms to the prescriptions of the European directive on low voltage 2006 95 EEC LVD and to EMC directive 2004 108 EEC 9 3 ACCESSORIES e C7000 2 measuring cables L 3m with alligator clip e C2001 optical cable for communication e B80 carrying bag for test leads e 1509000 calibration certificate e CD ROM for MASTER Instrument upgrading e User manual EN 36 Miezn IMP57 10 SERVICE 10 1 WARRANTY This instrument is guaranteed against any defect in material and manufacturing in compliance with the general sales terms and conditions Throug
12. Voltage measured Ze 01 Frequency V1 2 226V _FRQ 50 0HZ The Prospective Short Circuit Current is calculated according to one of the relationship P N 220 Phase Phase Impedance mQ LOOP 05 06 02 Phase Phase Resistance mQ 7 Phase Phase Reactance mQ Ce IkMaxP N 8 9kA Prospective Short Circuit Current indicates in paragraph 6 1 2 for Phase Neutral connection FUNC ZSTD ICAL RMT You can save these results by pressing the SAVE button twice EN 13 NY HT IMP57 e P PE Test result After the Test the instrument will show a screen as indicated below LOOP 05 06 02 Phase Phase Impedance mQ R el Phase Phase Resistance mQ R 5 3m X 26 4mQ e IkMaxP N 8 5kA Phase Phase Reactance mQ V1 2 226V FRQ 50 0HZ ES Frequency po Prospective Short Circuit Current P PE Z209 Voltage Measured FUNC ZSTD ICAL RMT The Prospective Short Circuit Current is calculated according to one of the relationship indicates in paragraph 6 1 2 for Phase Neutral connection You can save these results by pressing the SAVE button twice 6 1 5 Anomalous results for P P P N P PE Test LOOP 05 06 02 des ep e e es e Q R Q X Q IkSTD A V1 2 231V FRQ 50 0HZ NO IMP57 P N_Z20 FUNC ZSTD ICAL RMT The message LM indicate tha
13. an impedance measure is higher than 1999mQ higher than 1999mQ Z gt 1999mQ will show the message R gt 1999mQ X gt 1999mO on side Disable the IkSTD A Z2Q High Resolution v1 2 230V FRQ 50Hz measurement mode and execute standard LOOP measurement SH 720 SIE Mod ICAL RMT Ca You can save these results by pressing the SAVE button twice or by pressing the SAVE button and then the ENTER button EN 27 Mie IMP57 6 4 OPERATING INSTRUMENT FOR TYPE 4 INSTRUMENT Operating Instruction are given according to Table 1 Instrument Type definition 6 4 1 Instrument Settings 1 E Press power switch 2 ED Press the FUNC key to select CONTINUITY 3 O gt Press the MODE key to select CONTINUITY EXT mode The instrument mi shows a screen as nearby Seege A d q Hy READY 4 E Press the SET DISPLAY key to CONTINUITY e EXT select the mode of setting the magnetothermal protection WI 1 A nominal current In Through the L LI arrow keys 7 ON select the nominal current 5 Press the SET DISPLAY key CONTINUITY once again to select the mode of setting the protenction type Through the arrow keys EXT EYPE b select the protection type type B or C Press the SAVE key to confirm the modifications 6 OR lt gt Press the ESC RECALL key to quit without saving EN 28 ENVAHIT IMP57 6 4 2 Prospective Short Circuit Current Calculation The instrum
14. hEA ee See 6 5 4 Test result analysis 6 5 5 Anomalous results 7 TEST RESULTS DOWNLOAD 8 ETC e EE 8 1 Geer esses 8 2 Instrument cleaning 83 Endless sn annees 9 TECHNICAL SPECIFICATIONS Set 2 a Hee Kee Re ee ee a a eee 35 GE EE 35 9 12 Safety Standards 4 Lost LM sinu def gege den kea Eana aE restante nan enter es Ant ees abel ht dr de eege gd ees ege 35 9 1 3 G n ral e Ee E EE 35 9 2 Se EU 36 9 2 1 Environmental condition 10 SERVICE 10 1 Warranty OS E EN 1 EN HT IMP57 1 SAFETY PRECAUTIONS AND PROCEDURES This apparatus conforms with safety standards EN61557 and EN 61010 relating to electronic measuring instruments For your own safety as well as that of the apparatus you are recommended to follow the procedures described in this instruction manual and carefully read all the notes preceded by the symbol A WARNING Should you fail to keep to the prescribed instructions you could damage the instrument and or its components or endanger your safety Strictly keep to the following instructions before and during measurements Do not take measurements in wet environments Do not effect measurements in environments with explosive gas fuels or dust Keep you insulated from the object under test waiting for measuring Avoid any contact with exposed metal parts ends of test leads not in use circuits etc Do not effect any measurement in case of unusual conditions of the instrumen
15. mode the results aren t affected by Test Leads and alligator clips and it s not necessary to execute any Test Cable calibration The instrument is provided of special cables with double contact alligator clip the back and red part of the alligator clip are electrically separated and make two different test points So the red sides of the alligator clips represent the Current Circuit C1 and C2 while the black sides P1 and P2 represent the Voltage measurement circuit The instrument is directly supplied by the Test Leads and the electrical network under test It s not provided of a keyboard because all commands and results are exchanged by means the RS232 serial interface with the MASTER instrument For further details see paragraph EN 4 ies IMP57 3 PREPARATION FOR USE 3 1 INITIAL CONTROL This instrument has been checked mechanically and electrically prior to shipment Any care has been taken to ensure that the instrument reaches you under safe conditions You are recommended however to carry our a rapid check to detect any possible damage which might have been caused during transport Should this be the case immediately contact HT Italia Check also that the packaging contains all the parts listed under paragraph 9 3 In case of discrepancies contact the dealer In case you have to send the instrument back please follow the instructions reported in paragraph 10 3 2 POWER SUPPLY The instrument is directly suppli
16. 57 6 5 OPERATING INSTRUMENT FOR TYPE 5 INSTRUMENT Operating Instruction are given according to Table 1 Instrument Type definition 6 5 1 Instrument Settings 1 Using arrow keys TV select function CONTINUITY 12V gt 10A 2 Pressing SET LIMIT TIME key twice in a quick succession as well as CLR key LOOP mode can be set 3 Press SET LIMIT TIME key twice in a quick succession The instrument sets under mode for setting type of magneto thermal device which may Type B o Type C 4 Using arrow keys TY select the type of magneto thermal device 5 Press SET LIMIT TIME key The instrument stores the current setting of magneto thermal device type and sets under mode for setting rated current of magneto thermal device which may have the following values 6 10 16 20 25 32 50 63 A 6 Using arrow keys TV select the rated current of the magneto thermal device 7 Press SET LIMIT TIME key The instrument stores the current setting for rated current of the magneto thermal device and sets under starting test mode 6 5 2 Prospective Short Circuit Current Calculation The instrument calculated the Prospective short circuit current as NOM U es a e I MIN P PE Cum Z HOT P PE Fault to Ground Minimum Prospective Short Circuit Current Where HOT 2 2 Lp pr y 1 KR wel Arpi and Voltage Unom Cmin 230V 10 lt Vmeasured lt 230V 10 230V 0 95 230V 10 lt Vmeasured lt 400V 10 Vmeasured 1 00 400V
17. ADY EN 29 IMP57 After pressing START STOP button the message on side indicate that the mains voltage is too low lt 190V After pressing START STOP button the message on side indicate that the mains voltage is gt 460V 415V 10 After pressing START STOP button the message on side indicate that test current is too low lt 10A Please check that alligator clip are in contact with mains conductors After pressing START STOP button the message on side indicate that the instrument is overheated Please wait until the LED STATUS on IMP57 get back to Green light After pressing START STOP button if the instrument indicate the message on side please contact HT Service lt A HEE Sy VOLTAGE IN INPUT HEE gt UE A VOLTAGE IN INPUT A HEE Lurr NOT OK D LE HOT A E ER mr Previous results can t be strored into instrument memory EN 30 Mie IMP57 After a negative result of the Test the CONTINUITY instrument will show a screen as te indicated on side J d mQ HUE SEI NOT OK If the instrument measure an CONTINUITY impedance higher than 1999mQ will r show the message on side gt j d d 7 7 77 A d 1 H EXT m Q LO You can save these results by pressing the SAVE button twice EN 31 Miezn IMP
18. ENGLISH User s manual Er LE Copyright HT ITALIA 2013 Version EN 3 00 04 01 2013 Mie IMP57 Contents 1 SAFETY PRECAUTIONS AND PROCEDURES 0 ccscceseeeceeeeeeeeeeeeneeeeeeeesensseaeeeseeeenseeeeaeeeseeesneeeeeees 2 1 1 SEET E 2 ER Du e eco xzcececeessxecessecosscecesnctesseecessceessceeasacecvacecessceevasececuscevssecesscesscsceuscceaseecesascatusteesacteuscere vaste sacecearccsaeecesastessctssartesacecesactesanecezsrcesanecezstiessts 3 De ATOS a A AAEE 3 1 4 Definition of measuring overvoltage category sn GENERAL DESCRIPTION seen PREPARATION FOR USE 3 1 Initial Control 3 2 Power Supply Kee Ce E 34 SGE e 4 INSTRUMENT DESCRIPTION is 4 1 Gudde el de VE AS STATUS E EE 4 2 Instruments commands un 5 OPERATING INSTRUCTIONS 5 1 Phase to Phase impedance measurement and Phase To Phase Three Phase Prospective Short Circuit Current Calculation 8 5 2 Phase to Neutral impedance measurement and Phase To Neutral Prospective Short Circuit Current Calculation 02 9 5 3 Phase To Pe Protection Conductor impedance measurement and Phase to Pe Prospective Short Circuit Current Calculation 10 6 MASTER INSTRUMENT SETTING Sin cccccscisscosicnnencsanhssnasnpndesceanenandnannesenntannacniezeted denks svesgainnatnenninsensn bled 6 1 Operating Instrument for TYPE 1 Instrument rennes 6 1 1 Instrument Settings cceee
19. TATUS LED will get Orange colour and when the Test is completed the results will be shown on instrument display 6 2 4 Test result analysis P P Test Results After the Test the instrument will show a screen as indicated below LOWQ LOOP Phase Phase Impedance mQ Measured Voltage R Q P Prospective short circuit Current 392 4 0m You can save these results by pressing the SAVE button twice P N Test Results After the Test the instrument will show a screen as indicated below LOWQ LOOP Phase Neutral Impedance mQ Measured Voltage WQ N LJe 2 3 5A You can save these results by pressing the SAVE button twice EN 18 EN HT IMP57 P PE Test Results After the Test the instrument will show a screen as indicated below LOWQ LOOP Phase PE Impedance mQ Measured Voltage TO PE Prospective short circuit Current 232 23m You can save these results by pressing the SAVE button twice 6 2 5 Anomalous results for P P P N P PE Test LOWQ LOOP NO IWS CON The message no con inS indicate that IMP57 doesn t reply to RS232 commands of the MASTER instrument Please check if 1 The MASTER instrument is connected to IMP57 through C2001 optical cable 2 The STATUS LED is green After pressing START LOWQ LOOP button th
20. WARNING e Never use the instrument in electrical plants with Nominal phase to phase voltage higher than 415V or a Nominal phase to neutral voltage or phase to ground voltage higher than 240V e The Phase to Phase impedance measurement entails the flowing of a current up to 200A between the above said conductors This can cause tripping of magnetothermal switch having rated value lower than 200A If necessary A execute the measurement upstream the switch e f possible disconnect all the low impedance loads connected downstream the point where the test is to be carried out as the impedance of the above said loads results to be in parallel with the impedance under test e Always make sure that the upper and lower metal plate of the alligator clips make good contact with the conductors of the circuit under test e Never disconnect the Alligator clips or Test leads during the Test Fig 3 Instrument connection for phase to phase impedance measurement 1 Connect the IMP57 RS232 to MASTER instrument through RS232 cable see paragraph 4 2 2 Connect the alligator clip to the Electrical plant according to Fig 3 3 Insert the 4 safety connectors into corresponding instrument s inputs according to sequence P1 P2 C2 C1 see Fig 3 4 Check if the STATUS LED is light in Green 5 Switch ON the MASTER instrument select the Phase to Phase Measurement mode and Start the Test see chapter 6 For further details and descript
21. al to avoid any possible damage or danger during use 2 Do not use this tester under unfavourable conditions of high temperature or humidity Do not expose to direct sunlight 8 2 INSTRUMENT CLEANING Use a soft dry cloth to clean the instrument Never use wet cloths solvents water etc 8 3 END OF LIFE CAUTION this symbol indicates that equipment and its accessories shall be subject to a separate collection and correct disposal EN 34 NY HT IMP57 9 TECHNICAL SPECIFICATIONS 9 1 TECHNICAL FEATURES Accuracy is indicated as of reading number of digits It refers to the following atmospheric conditions a temperature of 23 C 5 C with a relative humidity lt 60 HR e IMPEDANCE MEASUREMENT Range Resolution Accuracy 0 1 199 9mQ 0 1mQ 5 reading 1mQ 200 1999MQ imQ Max test current 202A e RESISTANCE AND REACTANCE MEASUREMENT for Type 1 and Type 3 instr only see table 1 pag 8 Range Resolution Accuracy 0 1 199 9mQ 0 4mQ g 200 1999mO mO 10 reading 2mQ Max test current 202A e PROSPECTIVE SHORT CIRCUIT CURRENT Range Resolution Accuracy 0 1999A 1A related to Z accuracy and relationship of 2 0 9 9kA 0 1kA paragraph 6 1 2 and 6 2 2 and 6 3 2 and 10 1999kA 1kA 6 4 2 e VOLTAGE Range 50Hz 5 Resolution Accuracy 190 460V 1V 1 0 reading 2digit e FREQUENCY Range
22. e message on A side indicate that the LG mains voltage is too low lt 190V UOL TAG EN 19 IMP57 amp After pressing START button the message on side indicate that the mains voltage is too high gt 460V amp After pressing START button the message on side indicate that test current is too low gt 10A Please check that alligator clip are in contact with mains conductors amp lf the instrument is overheated the display will show the message on side Please wait until the LED STATUS on IMP57 get back to Green light LOWQ LOOP HI UOL TAG LOWQ LOOP LO CUR LOWQ LOOP HOT EN 20 EN H TI IMP57 If You get the message LOWQ LOOP on side after pressing A START button please NTC contact HT Service PREVIOUS RESULT CAN T BE STORED INTO INSTRUMENT MEMORY f the instrument measure DOME ee ie gt symbol indicate that the an impedance higher than measure is higher than 1999mQ 1999mQ will show the 451990 P PE message on side Disable the Z2Q High Resolution measurement mode and execute standard LOOP measurement 232 DEER You can save these results by pressing the SAVE button twice EN 21 EN HT IMP57 6 3 OPERATING INSTRUMENT FOR TYPE 3 INSTRUMENT Operating Instruction are given according to Table 1 Instrument Type definition 6 3 1 Instrument Settings
23. ed by the Test Leads and the electrical network under test the voltage mains must be in 220 415V range and the mains frequency must be in 50Hz 5 range 3 3 CALIBRATION The instrument fulfils the technical specifications listed in this manual The performance of the specifications are guaranteed for one year 3 4 STORAGE In order to grant the accuracy of the measurements after a period of storage in extreme environmental conditions wait for the time necessary so that the apparatus is back to normal measuring conditions see environmental specifications listed in paragraph 9 2 EN 5 Mie IMP57 4 INSTRUMENT DESCRIPTION 4 1 INSTRUMENT DESCRIPTION LEGEND 1 Terminals C1 P1 C2 P2 for impedance T tests 2 STATUS LED 3 3 RS232 Serial interface D Fig 1 Instrument description 4 1 1 STATUS LED The STATUS LED can assume the following colour e OFF Instrument not supplied e GREEN Instrument ready for Test ORANGE Test running e RED blinking Instrument overheated Please wait until LED status get back to GREEN colour before executing new test e RED fixed Disconnect immediately the instrument form the circuit under test Check the nominal voltage range 220 415V and the frequency range 47 5 52 5Hz Also check anomalous situation in paragraph 6 1 5 6 2 5 6 3 5 6 4 5 and 6 5 5 4 2 INSTRUMENT S COMMANDS
24. ed installation and equipment for industrial use and some other equipment for example stationary motors with permanent connection to fixed installation e Measurement category Il is for measurements performed on circuits directly connected to the low voltage installation Examples are measurements on household appliances portable tools and similar equipment e Measurement category is for measurements performed on circuits not directly connected to MAINS Examples are measurements on circuits not derived from MAINS and specially protected internal MAINS derived circuits In the latter case transient stresses are variable for that reason the norm requires that the transient withstand capability of the equipment is made known to the user EN 3 Mie IMP57 2 GENERAL DESCRIPTION Dear Customer we thank you for your patronage The instrument you have just purchased will grant you accurate and reliable measurements provided that it is used according to the present manual s instructions The instrument was designed to grant the user the utmost safety conditions thanks to a new concept assuring double insulation and overvoltage category III 240V to Earth The instrument can perform Phase to Phase Phase to Neutral and Phase to Protection Conductor PE Impedance measurement and Prospective Short Circuit current calculation according to EN 60909 0 As the instrument execute a 4 wire measurement Volt ampermetric measurement
25. eeeeeeeeteeeteeees 6 1 2 Prospective Short Circuit Current Calculation 6 13 RUMANG Test ororen nac ra nei 6 1 4 Test results analysis 6 1 5 Anomalous results for P P P N RRE Test wcccccecscccsetsensecerseessidsscavecevsanevencidsbeavedenstesabesodttaatedavesactsactedaereadbieotedexceass 14 6 2 Operating Instrument for TYPE 2 Instrument iii 17 6 2 Elan CEET 17 6 2 2 Prospective Short Circuit Current Calculation sise 17 Bra RUN NE TES T A steavatsecoaeesatdecacavoeyoseannscesuhevecenbtasayecyocennscssbevaatevsnieascausstansteeeseeay 18 6 2 4 EI EE 18 6 2 5 Anomalous results for P P P N P PE Test sisi 19 6 3 Operating Instrument for TYPE 3 Instrument 22 6 3 1 lun En e CN 22 6 3 2 Prospective Short Circuit Current Calculation sienne 23 6 33 RUN ANS Lebresne deeg 24 GPS DE EE TestresultanalySiS EE 24 6 3 5 Anomalous results for P P P N P PE Test sisi 25 64 Operating Instrument for TYPE 4 Instrument nn 28 6 41 Ennen e CN 28 6 4 2 Prospective Short Circuit Current Calculation sise 29 6 43 RUN MNS TES E 29 6 4 4 TEE 29 6 4 9 A omalous results techs steeccensaytazencasetecsecysadencevsanchaccsds edtechestndbpe saat been decd sara ste cane seat et en nid durs ane 29 6 5 Operating Instrument for TYPE 5 Instrument nn 32 651 Elan CN 32 6 5 2 Prospective Short Circuit Current Calculation sise 32 6 53 RUNANS Test seesueekeuesdeeskueeg eeeugeeggeuEeSKeE
26. ent calculated the Prospective short circuit current as g roM Jus ap Cu TZR P PE Fault to Ground Minimum Prospective Short Circuit Current Where HOT 2 2 Lp_PE V 1 EN Rp_pg X popp and Voltage Unom Cmn 230V 10 lt Vmeasured lt 230V 10 230V 0 95 230V 10 lt Vmeasured lt 400V 10 Vmeasured 1 00 400V 10 lt Vmeasured lt 400V 10 400V 0 95 6 4 3 Runthe Test When the IMP57 has been connected according to paragraph 5 and the MASTER instrument has been set according to paragraph 6 4 1 and 6 4 2 you can run the Test by means the E START STOP button During the test the STATUS LED will get Orange colour and when the Test is completed the results will be shown on instrument display 6 4 4 Test result analysis After the Test the instrument will show a screen as indicated below CONTINUITY EXT f 7 WI im Q Phase Protection j j conductor Impedance mQ Prospective Short a e Summ Circuit Current K oq 244 SN A S Voltage Measured OK Positive result of the test or You can save these results by pressing the SAVE button twice 6 4 5 Anomalous results The message NOT READY indicate CONTINUITY that IMP57 doesn t reply to RS232 moO commands of the MASTER instrument a Please check if the MASTER instrument is connected to IMP57 through 2 ae Bs ees E C232NG1 cable and the STATUS LED A V is green NOT RE
27. essage 180 Err is displayed and a 3 second long beep sound is emitted it means that the voltage detected by IMP57 does not reach the minimum preset limit If after pressing START key the message 480 Err is displayed and a 3 second long beep sound is emitted it means that the voltage detected by IMP57 exceeds the preset limit If after pressing START key the message HOT is displayed and a 3 second long beep sound is emitted it means that the temperature probe reached a too high temperature value If after pressing START key the message Curr Err Is displayed and a 3 second long beep sound is emitted it means that the streaming current is lower than 10A If after pressing START key the message Err 5 is displayed and a 3 second long beep sound is emitted it means that the instrument detects a mistake in data coding by IMP57 If after pressing START key the message O r is displayed and a long beep sound is emitted breaking off just by pressing STOP key it means that the measured impedance is higher than the maximum impedance value EN 33 ENV HT IMP57 7 TEST RESULTS DOWNLOAD Please see MASTER instrument user s manual for download details Always quit the Z2Q High Resolution Measurement mode before attempt the download 8 MAINTENANCE 8 1 GENERAL 1 The tester you have purchased is a precision instrument Strictly follow the instructions for use and storage reported in this manu
28. facturer reserves the right to modify the product specifications and prices if this is aimed at technological improvements 10 2 SERVICE If the instrument does not operate properly before contacting the after sales service check cables as well as test leads and replace them if necessary Should the instrument still operate improperly check that the operation procedure is correct and conforms with the instructions given in this manual If the instrument is to be returned to the after sales service or to a dealer transportation costs are on the customer s behalf Shipment shall be however agreed upon A report must always be enclosed to a rejected product stating the reasons of its return To ship the instrument use only the original packaging material any damage that may be due to no original packing shall be charged to the customer EN 37
29. hout the period of guarantee all defective parts may be replaced and the manufacturer reserves the right to repair or replace the product If the instrument is to be returned to the after sales service or to a dealer transportation costs are on the customer s behalf Shipment shall be however agreed upon A report must always be enclosed to a rejected product stating the reasons of its return To ship the instrument use only the original packaging material any damage that may be due to no original packing shall be charged to the customer The manufacturer declines any responsibility for damages caused to persons and or objects Warranty is not applied in the following cases e Any repair and or replacement of accessories not covered by the guarantee e Any repair that might be necessary as a consequence of a misuse of the instrument or of its use with no compatible devices e Any repair that might be necessary as a consequence of improper packaging e Any repair that might be necessary as a consequence of service actions carried out by unauthorised personnel e Any modification of the instrument carried out without the authorisation of the manufacturer e Use not provided for in the instrument s specifications or in the instruction manual The content of this manual cannot be reproduced in any form whatsoever without prior authorisation of the manufacturer All our products are patented and their trade marks registered The manu
30. ion about Test results and Save procedure see chapter 6 EN 8 EN HT IMP57 5 2 PHASE TO NEUTRAL IMPEDANCE MEASUREMENT AND PHASE TO NEUTRAL PROSPECTIVE SHORT CIRCUIT CURRENT CALCULATION WARNING e Never use the instrument in electrical plants with Nominal phase to phase voltage higher than 415V or a Nominal phase to neutral voltage or phase to ground voltage higher than 240V e The Phase to neutral impedance measurement entails the flowing of a current up to 116A between the above said conductors This can cause tripping of i magnetothermal switch having rated value lower than 116A If necessary execute the measurement upstream the switch e f possible disconnect all the low impedance loads connected downstream the point where the test is to be carried out as the impedance of the above said loads results to be in parallel with the impedance under test e Always make sure that the upper and lower metal plate of the alligator clips make good contact with the conductors of the circuit under test e Never disconnect the Alligator clips or Test leads during the Test Fig 4 Instrument connection for phase to neutral impedance measurement 1 Connect the IMP57 RS232 to MASTER instrument through RS232 cable see paragraph 4 2 2 Connect the alligator clip to the Electrical pant according to Fig 4 3 Insert the 4 safety connectors into corresponding instrument s inputs according to sequence P1 P2 C2 C1 see Fig
31. isplay 6 3 4 Test result analysis P P Test Results e The instrument at the end of the test does a double sound signal that mean by the test is OK and it shows a screen like this on side LOOP CI 15 Phase Phase Impedance mQ Z EE Ee N R lt 138 0mQ X 38 9mQ IkSTD 2 8kA V1 2 394V P P Mod 14 3mQ Phase Phase Resistance mQ Phase Phase Reactance mQ FRQ 50Hz Prospective Short Circuit Current ICAL RMT Voltage Measured The Prospective Short Circuit Current is calculated according to one of the relationship indicates in paragraph 6 3 2 for Phase Phase connection P N Test Results e The instrument at the end of the test does a double sound signal that mean by the test is OK and it shows a screen like this on side LOOP CI mp Phase Neutral Impedance mQ Z Zoga ee aa l R lt 138 9mQ X 39 3mQ IkSTD 1592A V1 2 230V P N 14 4mQ Phase Neutral Resistance mQ oN Phase Neutral Reactance mQ FRQ 50Hz Prospective Short Circuit Current Voltage Measured The Prospective Short Circuit Current is calculated according to one of the relationship indicates in paragraph 6 3 2 for Phase Neutral connection EN 24 IMP57 P PE Test Results The instrument at the end of the test does a double sound signal tha
32. ospective Short circuit Current Calculation selected P PE The instrument execute the High Resolution Phase ground impedance measurement and calculate the Prospective Short circuit Current Calculation selected The F3 button allows the selection of Prospective Short Circuit current calculation according to paragraph 6 1 2 By pressing the F4 button the instrument will show the IMP57 Serial Number the Firmware release and the calibration date Press ESC to quit this screen Press F2 button to quit High Resolution Measurement mode Z2Q EN 11 IMP57 6 1 2 Prospective Short Circuit Current Calculation Connection NOM NOM U pp U pP V3 V3 L un 3 ph Cum ZAOT ax 3ph wus E P P P P Phase Phase 2 2 P P Three Phase Minimum Prospective Short Circuit Current Three Phase Maximum Prospective Short Circuit Current Ua Une Jm ph Cum HOT Imax ph 7 C max Z P P Z P P Two Phase Minimum Prospective Short Circuit Current Two Phase Maximum Prospective Short Circuit Current EE Ee Phase Neutral Lane Gage HOT I max p n Cmax Tz P N P N P N Single Phase Minimum Prospective Short Circuit Current Single Phase Maximum Prospective Short Circuit Current I Cyn U pipe I unn Ur Phase Protection conductor MIN P PE MIN Z HOT MAX P PE MAX Z P PE P PE P PE Fault to Ground Minimum Prospective Short Circuit Fault to Ground Maximum Prospective Short Circuit Current Current
33. t IMP57 doesn t reply to RS232 commands of the MASTER instrument Please check if 1 The MASTER instrument is connected to IMP57 through C2001 optical cable 2 The STATUS LED is green amp After pressing START Ay 05 06 02 button the message on KR side indicates that the Ze se Q For operator safety it is MASTER instrument is Een E allowed to execute supplied by using the STD measurement only when the MASTER instrument is External power supply V1 2 231V FRQ 50 0HZ supplied by Batteries adapter Disconnect the External power supply REMOVE POWER adapter HN ZZ FUNC ZSTD ICAL RMT EN 14 HT IMP57 After pressing START button the message on side indicate that the Q mains voltage is too low Ree Eege lt 190V IkSTD A V1 2 181V FRQ 50 0HZ ONO MCE ow Voltage Indication DN Z20 FUNC ZSTD ICAL RMT After pressing START button the message on side indicate that the Ze ss Q mains voltage is gt 460V Aere X Q IKSTD A V1 2 461V FRQ 50 0HZ 415V 10 P P 720 High Voltage Indication FUNC ZSTD ICAL RMT After pressing START button the message on side indicate that test Q current is too low R Q X O gt 10A Please check EE that alligator clip are in V1 2 461V FRQ 50 0HZ contact with mains conductors CURRENT NOTOK P P Z290 FUNC ZSTD ICAL RMT
34. t mean by the test is OK and it shows a screen like this on side LOOP CI 18 Z 14 3mQ R 137 8mQ X 38 3mQ IkSTD 1607A V1 2 230V FRQ 50Hz P PE Z20 J P Phase Protection conductor Impedance mQ Phase Protection conductor Resistance mQ Phase Protection conductor Reactance mQ Prospective Short Circuit Current Mod ICAL RMT Voltage Measured The Prospective Short Circuit Current is calculated according to one of the relationship indicates in paragraph 6 3 2 for Phase Protection conductor connection e You can save these results by pressing the SAVE button twice or by pressing the SAVE button and then the ENTER button 6 3 5 Anomalous results for P P P N P PE Test The message MA Wy indicate that IMP57 doesn t reply to RS232 commands of the MASTER instrument Please check if the MASTER instrument is connected to IMP57 through C2001 optical cable and the STATUS LED is green After pressing GO STOP button the message on side indicate that the mains voltage is too low lt 190V LOOP CI 15 Sege e Q Rices D X Q IkSTD A V1 2 OV FRQ 0 0Hz NO IMP57 P PE 220 Mod ICAL RMT LOOP CI 15 RE Q Baue D X Q IkSTD A V1 2 180V FRQ 50Hz Low voltage P N 220 ECM Mod ICAL RMT EN 25 ____ _ Low Voltage Indication IMP57 Af
35. t such as deformation breakage leakage of substances etc e Pay careful attention when measuring voltages exceeding 20V because of the risk of electric shock The following symbols are used in this manual Caution refer to the instructions manual improper use may damage the apparatus or its components Il Double insulated meter A AC Voltage or Current 1 1 PRELIMINARY INSTRUCTION e This instrument has been designed for use in environments with a degree of pollution 2 e It can be used for tests for Impedance measurements on electrical installations with overvoltage category Ill up to 240V Nominal Voltage to Earth and up to 415V Nominal voltage Phase to Phase e You are recommended to comply with the usual safety regulations aimed at Protecting you against dangerous currents Protecting the instrument against improper use e Only the leads supplied with the instrument guarantee compliance with the safety standards They must be in good conditions and must be replaced if necessary with identical models e Do not effect any measurement in electrical system which doesn t comply with the Voltage limits here indicated e Do not effect any measurement under environmental conditions beyond the limits specified in paragraph 9 2 EN 2 EN HT IMP57 1 2 DURING USE Carefully read the following recommendations and instructions WARNING P No compliance with the Warnings and or Instructions may damage the
36. ter pressing GO STOP button the message on side indicate that the mains voltage is gt 460V 415V 10 After pressing GO STOP button the message on side indicate that test current is too low lt 10A Please check that alligator clip are in contact with mains conductors After pressing GO STOP button the message on side indicate that the electric net frequency is not OK f you get the message on side after pressing GO STOP button please contact HT Service V1 2 481V FRQ 50Hz _____ 7 High Voltage Indication P P Z2Q Mod ICAL RMT LOOP CH 15 V1 2 460V FRQ 50Hz Current NOT OK P P 220 Mod ICAL RMT LOOP CH CT V1 2 460V FRQ 54Hz Sync error P P 220 Mod ICAL RMT LOOP CH 15 J sssss Q R D X Q IkSTD A V1 2 460V FRQ 50Hz Error NTC P P Z20 Mod ICAL RMT EN 26 IMP57 H the instrument is overheated the display will show the message on side Please wait until the LED STATUS on IMP57 get back to Green light Previous results can t be strored into instrument memory Instrument overheated LOOP CI 58 Z Ssss Q R Q X Q IkSTD A V1 2 280V FRQ 50Hz D gt e P N 220 E Mod ICAL RMT SP the instrument LOOP The gt symbol indicate that the measure

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