Kyoritsu 6050 User Manual

MODEL 6050COMBITESTER(LOOP+RCD)INSTRUCTION MANUALKYORITSU ELECTRICAL INSTRUMENTS WORKS，LTD.

̶ 8 ̶● UL value selectorSelect UL (limit of contact voltage value) 25V or 50V. Where Uc (contact voltage) exceeds UL value at RCD testing,

̶ 9 ̶　4. SPECIFICATIONMeasurement SpecificationFunction RangeRated Voltage(AC)TestCurrentAccuracyLOOPPSCFunctionUc20ΩL-PE :+10％230V 50Hz-15%3A15mA15m

̶ 10 ̶FunctionVoltageMeasurementRange100-260VL-L corresponding range:100-440VRated Voltage(AC)100-260VL-L corresponding range:100-440VAccuracy±(2%rdg+

̶ 11 ̶● Reference  conditionsSpecifications are based on the following conditions except where otherwise stated.  1. Ambient temperature : 23±5℃ 

̶ 12 ̶Function Operating error of trip current×1/2 -10%∼0%×1 0%∼+10%×5 0%∼+10%Auto Ramp -10%∼+10%● Operating Errors of trip current (IEC 61557-6)The

̶ 13 ̶5.1 Principles of Measurement5.1-1 Measurement of Fault Loop Impedance and Prospective Fault CurrentIf an electrical installation is protect

̶ 14 ̶For TN systems the earth fault loop impedance is the sum of the following impedances.● Impedance of the power transformer secondary winding.● I

̶ 15 ̶Uo (Volts)120230400>400T (seconds)0.80.40.20.1Fig.11Practical example of verification of the protection is a TT system according to the inter

̶ 16 ̶Note:● For a distribution circuit a disconnection time not exceeding 5s is permitted.● When the protective device is a residual current de

̶ 17 ̶Practical example of verification of the protection is a TT system according to the international Standard IEC 60364.Fig.12The maximum

　CONTENTS1. Safe Testing ... 12. Procedure of removing cover ...

̶ 18 ̶Method of Impedance test between Line and Neutral and Prospective Short Circuited Current testMethod of Impedance test between Line and L

̶ 19 ̶5.2.2 Wiring Check(1) Insert the Test Lead into the instrument.(Fig.15)(2) Connect test lead to object to be tested.(Fig.11,12,13,14)(3) Make s

̶ 20 ̶6.1 Principles of MeasurementThe RCD tester is connected between phase and protective connectors on the load side of the RCD after discon

̶ 21 ̶Typical examples of instrument connectionPractical example of 3-phase + neutral RCD test in a TT system.Practical example of 3-phase + neutral R

̶ 22 ̶6.2 RCD Testing6.2.1 Preparation(1) Turn Function switch and power on the instrument. Select RCD.(2) Press RCD Function switch to select RCD Fun

̶ 23 ̶6.2.3 Testing(1) Press the TEST BUTTON Operating time of RCD is displayed on LCD. At Auto Ramp, operating current value of RCD wi

̶ 24 ̶For the RCD range of Model 6050, distortion factor of test current is improved compared with our traditional instruments. Therefore, at operati

̶ 25 ̶7.2.3 Testing(1) Press the TEST BUTTON.(2) Measured result is displayed on LCD. If the measured result is 100V or more, "UcH

̶ 26 ̶(5) Decide it with ENTER SWITCH("ENT" SWITCH). Data will be stored and back to voltage measurement mode automatically.●

̶ 27 ̶9.3 Delete the stored dataStored data can be deleted according to following sequence.(1) Press MEMORY MODE SWITCH ("MEM MODE" S

̶ 1 ̶　1. SAFE TESTING#Electricity is dangerous and can cause injury and death. Always treat it with the greatest of respect and care. If you are not q

̶ 28 ̶● Model 8212 system requirements(1) PC/AT compatible machine on which Microsoft Windows® 98/ME/2000/XP can operate.(2) Pentium 233MHz o

̶ 29 ̶　11. SERVICINGIf this tester should fail to operate correctly, return it to your distributor stating the exact nature of the fault. Befor

10-1092-1529BDISTRIBUTORKyoritsu reserves the rights to change specifications or designs described in this manual without notice and without o

̶ 2 ̶  # DANGER●  This instrument corresponds to L-PE: 230V+10%-15%50Hz. (for some of ranges; L-L: 400V+10%-15%50Hz)  Be sure to use it within this ra

̶ 3 ̶  # WARNING●  Never open the instrument case - (except for battery replacement and in this case disconnect all leads first) because dangero

̶ 4 ̶　2. PROCEDURE OF REMOVING COVERModel 6050 has a dedicated cover to protect against an impact from the outside and prevent the operation part,

̶ 5 ̶　3. FEATURES3.1 Instrument Layout1... LCD2... RCD FUNCTION SELECT SWITCH (MEMORY RECALL SWITCH)3... 0°/180°SELECT SWITCH (

̶ 6 ̶Black-NeutralRed-PhaseGreen-EarthFig.7Fig.4Optical Adasper Model 8212(Optional Accessory)Test Lead Model 7125 or Model 7121 (Optional Accessory)L

̶ 7 ̶data to PC" for further details.Windows® is a registered trade mark of Microsoft in the United states.3.4 Test Range (Function)Model 6050 pe