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INSULATION TESTER

TM-507

HB2TM5070000

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Summary of Contents for TM-507

Page 1: ...INSULATION TESTER TM 507 HB2TM5070000 ...

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Page 3: ...nuity test 8 4 4 1 ZERO mode 9 4 4 2 Anomalous cases which may occur during Ω measurement 10 4 5 LoΩ Continuity test on earth protective and equalizing potential conductors 11 4 5 1 ZERO mode 12 4 5 2 Anomalous cases which may occur during LoΩ measurement 13 4 6 MΩ Insulation resistance measurement test voltage 250V 500V 1000V DC 14 4 6 1 Measurement time setting mode 15 4 6 2 Anomalous cases whic...

Page 4: ...ng pools etc and 50V in ordinary places to avoid risks of electrical shocks The following symbols are used CAUTION refer to the instruction manual an improper use may damage the instrument or its components DC voltage AC voltage 1 1 PRELIMINARY INSTRUCTIONS This instrument has been designed for use in environments of pollution degree 2 It can be used for tests on electrical installations of overvo...

Page 5: ...SSIS 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 measurements on primary overcurrent protection devices and ripple control units Measurement category III is for measurements performed in the building installation Examples are measurements on dis...

Page 6: ...rior to shipment All possible cares and precautions were taken to let you receive the instrument in perfect conditions Notwithstanding we suggest you to check it rapidly eventual damages may have occurred during transport if so please contact the local distributor from whom you bought the item Make sure that all standard accessories mentioned in paragraph 6 3 are included Should you have to return...

Page 7: ...ARROW keys to select measurements 4 1 1 Turning on When the instrument is turned on all display segments are lit for just a while Then the instrument is ready for DC voltage measurement 4 1 2 Auto power off The instrument automatically turns off 15 minutes after last pressure of keys To resume operation turn on the instrument again When the instrument must be used for long voltage measurements the...

Page 8: ...terminals of the instrument 4 If necessary insert the croco clips on the test probes 5 Connect the cables to the desired points of the circuit under test as shown in Fig 2 The voltage value will be displayed 6 DC voltage value Example of display of DC voltage value 4 2 1 Anomalous cases which may occur during measurements 1 The maximum input voltage is 550 10 V If the detected voltage value exceed...

Page 9: ...terminals of the instrument 4 If necessary insert the croco clips on the test probes 5 Connect the cables to the desired points of the circuit under test as shown in Fig 3 The voltage value will be displayed 6 AC voltage value Example of display of AC voltage value 4 3 1 Anomalous cases which may occur during measurements 1 The maximum input voltage is 550 10 V If the detected voltage value exceed...

Page 10: ...g input terminals of the instrument Resistance value 4 If the measuring cables being used have not been calibrated first calibrate them as described in paragraph 4 4 1 5 Position the test probes on the desired points of the circuit under test see Fig 4 6 Press GO to perform the measurement 7 Example of display of resistance value If such value is lower than 30Ω the instrument emits an acoustic sig...

Page 11: ... parts of test probes and crocodiles are in good touch 3 Message 100 0 Ω means that the instrument dected a resistance higher than 100 0 Ω Fig 5 Connection of the instrument s terminals during calibration procedure 4 Press GO to perform the measurement 5 Press ZERO the instrument resets the resistance of the cables the symbol ZERO is displayed 6 The measured value is stored by the instrument and u...

Page 12: ...nstrument is 199 9Ω If the resistance value is higher than this value or in case of open or interrupted probes the instrument displays the screen beside 2 If the voltage present at the terminals is higher than 24V the instrument does not perform the test The screen beside is displayed Input voltage ...

Page 13: ...he instrument s terminals during LoΩ test 1 Turn on the instrument 2 Press the arrow keys to select LoΩ 3 Insert the black and red cables in the corresponding input terminals of the instrument Resistance value 4 If the measuring cables being used have not been calibrated first calibrate them as described in paragraph 4 5 1 5 Position the test probes on the desired points of the circuit under test ...

Page 14: ...ic parts of test probes and crocodiles are in good touch 3 Message 5 00 Ω means that the instrument dected a resistance higher than 5 00 Ω Fig 7 Connection of the instrument s terminals during calibration procedure 4 Press GO to perform the measurement 5 Press ZERO the instrument resets the resistance of the cables the symbol ZERO is displayed 6 The measured value is stored by the instrument and u...

Page 15: ...instrument is 19 99Ω If the resistance value is higher than this value or in case of open or interrupted probes the instrument displays the screen beside 2 If the voltage present at the terminals is higher than 24V the instrument does not perform the test The screen beside is displayed Input voltage ...

Page 16: ...f doubt bifore performing an insulation test perform a Ω 0 2A measurement by short circuiting the cables under test at a point of the plant which is as far as possibile from the measuring clips Remove the short circuit before performing the insulation test Fig 8 Connection of the instrument s terminals during MΩ test 1 Turn on the instrument 2 Press the arrow keys to select MΩ 3 Insert the black a...

Page 17: ... is an excellent insulation value generally much higher than the minimum requirements prescribed by standards 12 Press LOCK and GO to perform the measurement in continuous mode the symbol LOCK is displayed Press GO another time to stop the continuous mode measurement 13 In lock mode the instrument emits an acoustic signal and the auto power off is disabled 4 6 1 Measurement time setting mode Press...

Page 18: ...t terminals to avoid electrical shocks 1 Switch off the instrument 2 Remove test leads from the input terminals 3 Remove the battery compartment cover by using a screwdriver 4 Remove all batteries replacing them with new ones all of the same type refer to paragraph 6 1 3 respecting the polarity signs 5 Re allocate the battery pack taking care that the part from which the black and red wires come o...

Page 19: ...is lower than 30Ω Ω 0 2A Continuity of protection conductors Range Resolution Accuracy Overload protection 0 01 19 99Ω 0 01Ω 2 0 rdg 3 dgt 605V max RMS Test current 200mA DC up to 5Ω measuring cables resistance included Test current 45mA DC over 5Ω measuring cables resistance included Open circuit voltage 4 V0 24V MΩ Insulation resistance Auto Range Test voltage Range Resolution Accuracy Overload ...

Page 20: ...pply Battery type 6 batteries 1 5 V LR6 AA AM3 MN 1500 Low battery indication the symbol is displayed when the battery voltage is too low Battery life Multimeter About 50 hours LoΩ 1000 tests 1Ω MΩ 250V 1000 tests 480kΩ MΩ 500V 1000 tests 480kΩ MΩ 1000V 1000 tests 480kΩ Display Features 4 LCD with max reading 9999 counts symbol and decimal point 6 2 ENVIRONMENT 6 2 1 Environmental conditions Refer...

Page 21: ...it Repairs made necessary by previous attempts for repair carried out by non skilled or unauthorized personnel Instruments for whatever reason modified by the customer himself without explicit authorization of our Technical Dept The contents of this manual may not be reproduced in any form whatsoever without the manufacturer s authorization Our products are patented and our logotypes registered We...

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Page 24: ...TENMARS ELECTRONICS CO LTD 6F 586 RUI GUANG ROAD NEIHU TAIPEI 114 TAIWAN E mail service tenmars com http www tenmars com ...

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