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Users Manual

KMP7020 / KMP7021

Digital RCD (ELCB) Tester

Summary of Contents for AMPROBE KMP7020

Page 1: ...Users Manual KMP7020 KMP7021 Digital RCD ELCB Tester ...

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Page 3: ...KMP7020 Digital RCD ELCB Tester with Fast Trip KMP7021 Digital RCD ELCB Tester with Auto Ramp Users Manual June 2011 Rev 1 2011 Amprobe Test Tools All rights reserved Printed in China English ...

Page 4: ... be remitted in the form of a check a money order credit card with expiration date or a purchase order made payable to Amprobe Test Tools In Warranty Repairs and Replacement All Countries Please read the warranty statement and check your battery before requesting repair During the warranty period any defective test tool can be returned to your Amprobe Test Tools distributor for an exchange for the...

Page 5: ...021 Red Live Green Earth Blue Neutral 1 1 2 3 4 8 6 2 3 LCD Display PHASE Button I n Button TEST Button 6 7 8 Connecting Terminals for Test Lead Rotary Mode Switch Indicators for Wiring Connection Test Lead 4 5 5 7 ...

Page 6: ...1 KMP7020 KMP7021 CONTENTS SYMBOLS 2 UNPACKING AND INSPECTION 2 SAFETY INFORMATION 2 FEATURES 4 OPERATION 5 SPECIFICATION 8 MAINTENANCE AND REPAIR 9 ...

Page 7: ...1 UK Mains Test cord set 1 User s Manual 1 Carrying Case 1 Strap If any of the items are damaged or missing return the complete package to the place of purchase for an exchange Safety Information This operation manual includes the user guidance and safety instruction when using the tester please read it before using CAUTION Before using the tester please read the operating manual When using the te...

Page 8: ...WARNING Do not open or disassemble the tester during testing If the test instrument appear abnormal for example no completed display incorrect calculation housing damage noise issue during the measurement etc please contact our service department for repair Do not use the tester if your hands are wet Any test and measurement procedures in circuits equipped with residual current devices should only...

Page 9: ...between the N conductor and earth may influence the measurements Leakage currents in current circuits following the RC circuit breaker may have an influence on the test as well as a voltage between protective conductor or neutral conductor and ground Attached loads or operating supplies which contains capacitors or circulating machines can elongate the trip time Measurements may be influenced by p...

Page 10: ...neutral point of the distribution system and earth before the test is started a possible voltage between the N conductor and the earth may influence the measurements Leakage currents in the circuit following the residual current protection device may influence the measurements The earth electrode resistance of a measuring circuit with a probe shall not exceed 5 Ohm The potential fields of other ea...

Page 11: ...ect connection of L and N terminals may cause leakage current Danger If the connection is incorrect please don t proceed the test It may cause incorrect measurement and danger to the user 3 Press I n button to set the nominal residual currents I n of the RCD breakers as the default tripping current value Default Value I n 30mA Phase 0 4 Measurement Methods 4 1 Measurement range Non tripping Test X...

Page 12: ...shall open KMP7020 only AUTO RAMP TEST RCD shall open Screen will display tripping time and tripping current KMP7021 only 4 3 Press PHASE 0 180 button to switch phase to 180 default setting is phase 0 Screen will display 180 Repeat step 4 2 to begin measurement with phase 180 Press PHASE button again to switch phase to 0 The tester will interrupt measurement if a voltage between N conductor and Ea...

Page 13: ... 500mA 300mS X 5 10 20 30mA 40mS 250mA Fast Trip 250mA Fixed 40mS KMP7021 Function Voltage AC Trip Current Setting l n Trip Time MAX Accuracy Trip Current Trip Time X 1 2 230V Tolerance 15 10 Frequency 50Hz 10 20 30 100 300 500mA 2000mS Tolerance 10 0 2 rdg 2LSD X 1 10 20 30 100 300mA 1000mS Tolerance 0 10 500mA 300mS X 5 10 20 30mA 1000mS Auto Ramp Test 10 20 30 100 300 500mA RAMP increase to 10 ...

Page 14: ...00 meter Storage Condition Temperature 20 C 60 C 4 F to 140 F Relative Humidity 75 RH Product Size L x W x D 160 x 101 x71mm 6 3 x 2 77 x 3 94 In Product Net Weight About 500g 1 1 lb MAINTENANCE AND REPAIR If there appears to be a malfunction during the operation of the meter the following steps should be performed in order to isolate the cause of the problem repair of the meter should be performe...

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