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Copyright HT ITALIA 2013

Version EN 3.00 - 04/01/2013

ENGLISH

User’s manual

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Summary of Contents for IMP57

Page 1: ...Copyright HT ITALIA 2013 Version EN 3 00 04 01 2013 ENGLISH User s manual...

Page 2: ......

Page 3: ...or TYPE2 Instrument 17 6 2 1 Instrument Settings 17 6 2 2 Prospective Short Circuit Current Calculation 17 6 2 3 Run the Test 18 6 2 4 Test result analysis 18 6 2 5 Anomalous results for P P P N P PE...

Page 4: ...stances etc 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 imp...

Page 5: ...s Circuits are divided into the following measurement categories Measurement category IV is for measurements performed at the source of the low voltage installation Examples are electricity meters and...

Page 6: ...e instrument execute a 4 wire measurement Volt ampermetric measurement mode the results aren t affected by Test Leads and alligator clips and it s not necessary to execute any Test Cable calibration T...

Page 7: ...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 supplied by the Test Leads and the electrical network...

Page 8: ...s 2 STATUS LED 3 RS232 Serial interface Fig 1 Instrument description 4 1 1 STATUS LED The STATUS LED can assume the following colour OFF Instrument not supplied GREEN Instrument ready for Test ORANGE...

Page 9: ...sive 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 fi...

Page 10: ...out as the impedance of the above said loads results to be in parallel with the impedance under test Always make sure that the upper and lower metal plate of the alligator clips make good contact wit...

Page 11: ...dance of the above said loads results to be in parallel with the impedance under test Always make sure that the upper and lower metal plate of the alligator clips make good contact with the conductors...

Page 12: ...be carried out as the impedance of the above said loads results to be in parallel with the impedance under test Always make sure that the upper and lower metal plate of the alligator clips make good...

Page 13: ...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 Hi...

Page 14: ...ircuit Current Phase Protection conductor P PE HOT PE P NOM PE P MIN PE P MIN Z U C I Fault to Ground Minimum Prospective Short Circuit Current PE P NOM PE P MAX PE P MAX Z U C I Fault to Ground Maxim...

Page 15: ...p indicates in paragraph 6 1 2 for Phase Phase connection You can save these results by pressing the SAVE button twice P N Test result After the Test the instrument will show a screen as indicated bel...

Page 16: ...ice 6 1 5 Anomalous results for P P P N P PE Test LOOP 05 06 02 Z R X IkSTD A V1 2 231V FRQ 50 0HZ NO IMP57 P N Z2 FUNC ZSTD ICAL RMT The message NO IMP57 indicate that IMP57 doesn t reply to RS232 co...

Page 17: ...button the message on side indicate that the mains voltage is 460V 415V 10 LOOP 05 06 02 Z R X IkSTD A V1 2 461V FRQ 50 0HZ HIGH VOLTAGE P P Z2 High Voltage Indication FUNC ZSTD ICAL RMT After pressi...

Page 18: ...HT Service LOOP 05 06 02 Z R X IkSTD A V1 2 461V FRQ 50 0HZ Error 5 P P Z2 FUNC ZSTD ICAL RMT PREVIOUS RESULT CAN T BE STORED INTO INSTRUMENT MEMORY If the instrument measure an impedance higher than...

Page 19: ...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 impedan...

Page 20: ...isplay 6 2 4 Test result analysis P P Test Results After the Test the instrument will show a screen as indicated below LOW LOOP 100 0m P P 392V 4 0kA Phase Phase Impedance m Measured Voltage Prospecti...

Page 21: ...y pressing the SAVE button twice 6 2 5 Anomalous results for P P P N P PE Test LOW LOOP no ins con The message no con inS indicate that IMP57 doesn t reply to RS232 commands of the MASTER instrument P...

Page 22: ...After pressing START button the message on side indicate that test current is too low 10A Please check that alligator clip are in contact with mains conductors LOW LOOP Lo cur If the instrument is ove...

Page 23: ...INTO INSTRUMENT MEMORY If the instrument measure an impedance higher than 1999m will show the message on side Disable the Z2 High Resolution measurement mode and execute standard LOOP measurement LOW...

Page 24: ...te 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...

Page 25: ...Circuit Current Phase Neutral P N HOT N P NOM N P MIN N P MIN Z U C I Single Phase Minimum Prospective Short Circuit Current N P NOM N P MAX N P MAX Z U C I Single Phase Maximum Prospective Short Circ...

Page 26: ...Impedance m Phase Phase Resistance m Phase Phase Reactance m Prospective Short Circuit Current P P Z2 Funz Mod ICAL RMT Voltage Measured The Prospective Short Circuit Current is calculated according...

Page 27: ...ates in paragraph 6 3 2 for Phase Protection conductor connection 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...

Page 28: ...0A Please check that alligator clip are in contact with mains conductors L O O P Z R X I k S T D A V1 2 460V FRQ 50Hz Current NOT OK P P Z2 Funz Mod ICAL RMT After pressing GO STOP button the message...

Page 29: ...be strored into instrument memory If the instrument measure an impedance higher than 1999m will show the message on side Disable the Z2 High Resolution measurement mode and execute standard LOOP meas...

Page 30: ...mode The instrument shows a screen as nearby m A V 4 Press the SET DISPLAY key to select the mode of setting the magnetothermal protection nominal current In Through the arrow keys select the nominal...

Page 31: ...paragraph 6 4 1 and 6 4 2 you can run the Test by means the 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 instrum...

Page 32: ...message on side indicate that test current is too low 10A Please check that alligator clip are in contact with mains conductors After pressing START STOP button the message on side indicate that the...

Page 33: ...sult of the Test the instrument will show a screen as indicated on side m V A If the instrument measure an impedance higher than 1999m will show the message on side V A m You can save these results by...

Page 34: ...NOM PE P MIN PE P MIN Z U C I Fault to Ground Minimum Prospective Short Circuit Current Where 2 2 5 1 PE P PE P HOT PE P X R Z and Voltage UNOM CMIN 230V 10 Vmeasured 230V 10 230V 0 95 230V 10 Vmeasu...

Page 35: ...t the voltage detected by IMP57 exceeds the preset limit 4 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 reache...

Page 36: ...e instructions for use and storage reported in this manual to avoid any possible damage or danger during use 2 Do not use this tester under unfavourable conditions of high temperature or humidity Do n...

Page 37: ...uracy 0 1999A 1A related to Z accuracy and relationship of paragraph 6 1 2 and 6 2 2 and 6 3 2 and 6 4 2 2 0 9 9kA 0 1kA 10 1999kA 1kA VOLTAGE Range 50Hz 5 Resolution Accuracy 190 460V 1V 1 0 reading...

Page 38: ...C Storage humidity 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 C7000 2 measuring cables...

Page 39: ...kaging Any repair that might be necessary as a consequence of service actions carried out by unauthorised personnel Any modification of the instrument carried out without the authorisation of the manu...

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