Kyoritsu Electrical Instruments Works, Ltd. KEW 6010B Instruction Manual Download Page 6 | Manualshive

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2. INSTRUMENT LAYOUT

Test Lead with IEC Connector

Test Lead for Continuity and Insulation Testing

LCD DISPLAY

Fig.

１

I

Δ

n SELECT SWITCH: Available FUNCTION NO.6, 7, 8, 9, 10

(MEMORY SELECT SWITCH)

0°/180°SELECT SWITCH: Available FUNCTION NO.4, 6, 7, 8, 9

(MEMORY RECALL SWITCH)

UL VALUE SELECT SWITCH: Available FUNCTION NO.6, 7, 8, 9

(ENTER SWITCH)

AUTO NULL SWITCH: Available FUNCTION NO.1

(MEMORY CLEAR SWITCH)

MEMORY MODE SWITCH

(MEMORY MODE EXIT SWITCH)

The switch name shown in ( ) is used in MEMORY MODE.

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Summary of Contents for KEW 6010B

Page 1: ...KEW 6010B MULTI FUNCTION TESTER INSTRUCTION MANUAL KYORITSU ELECTRICAL INSTRUMENTS WORKS LTD ...

Page 2: ...17 7 3 Automatic over temperature cut out 18 7 4 The loop impedance test 19 7 5 Loop impedance at 3 phase equipment 20 8 RCD Uc Tests 21 8 1 Purpose of RCD Test 21 8 2 What does the RCD test really do 21 8 3 What is Uc 22 8 4 Uc Testing 23 8 5 Operation of KEW 6010B RCD testing 23 8 6 RCD testing 23 8 6 1 NO TRIP and TRIP test 23 8 6 2 FAST TRIP test 25 8 6 3 Testing DC sensitive RCDs 25 8 6 4 Tes...

Page 3: ...ause dangerous voltages are present Only fully trained and competent electrical engineers should open the case If a fault develops return the instrument to your distributor for inspection and repair 7 If the overheat symbol appears in the display disconnect the instrument from the mains supply and allow to cool down 8 For loop impedance tests to prevent unwanted tripping during loop testing all re...

Page 4: ...nductors are incorrectly wired the WIRING CHECK LED function cannot identify the incorrect connection Other procedures and test must be conducted to check and confirm that the wiring is correct prior to making measurement Do not use this instrument to check the correct wiring of the power supply Kyoritsu will not be held liable for any accident that may result from incorrect wiring of the power su...

Page 5: ...endure greater momentary energy than one designed for CAT II O Circuits which are not directly connected to the mains power supply CAT II Primary electrical circuits of equipment connected to an AC electrical outlet by a power cord CAT III Primary electrical circuits of the equipment connected directly to the distribution panel and feeders from the distribution panel to outlets CAT IV The circuit ...

Page 6: ...ilable FUNCTION NO 6 7 8 9 10 MEMORY SELECT SWITCH 0 180 SELECT SWITCH Available FUNCTION NO 4 6 7 8 9 MEMORY RECALL SWITCH UL VALUE SELECT SWITCH Available FUNCTION NO 6 7 8 9 ENTER SWITCH AUTO NULL SWITCH Available FUNCTION NO 1 MEMORY CLEAR SWITCH MEMORY MODE SWITCH MEMORY MODE EXIT SWITCH The switch name shown in is used in MEMORY MODE ...

Page 7: ... EN 50581 RoHS The instrument is supplied with 1 KAMP10 lead for Loop RCD Uc testing at socket outlets 2 Model 7122B lead for Continuity and Insulation testing Protective fingerguard It is a part providing protection against electrical shock and ensuring the minimum required air and creepage distances When the instrument and the test lead are combined and used together whichever lower category eit...

Page 8: ...ector The test can selected from either the positive 0 or from the negative 180 half cycle of voltage This will prevent tripping of some polarized RCDs when Loop testing 20Ω range only and may give a more accurate reading when testing RCDs UL touch voltage limit Select UL 25V or 50V with pressing the UL value change and Uc value select switch Where Uc value exceeds monitoring UL UcH v will be disp...

Page 9: ...ernal Loop Range Accuracy 230V 10 15 50Hz 25A 10ms 20Ω 3 rdg 8dgt 15mA 350ms max 2000Ω KAMP10 Test lead RCD Function Rated Voltage AC Test Current Test Current Duration Accuracy Test Current Trip Time x1 2 230V 10 15 50Hz 10 30 100 300 500mA 2000ms 8 2 1 rdg 3dgt x1 10 30 100 300 500mA 2000ms 2 8 FAST 150mA 50ms DC 10 30 100 300mA 2000ms 10 500mA 200ms Auto Ramp Goes up by 10 from 20 to 110 of IΔn...

Page 10: ... The influencing variations used for calculating the operating instrumetal uncertainty are denoted as follows Temperature 0 and 35 Supply voltage 8V to 13 8V Operating instrumetal uncertainty of Loop Impedance IEC 61557 3 Range Measuring range to keep operating uncertainty Maximum percentage operating uncertainty 20Ω 0 4 19 99Ω 30 2000Ω 100 1999Ω The influencing variations used for calculating the...

Page 11: ...ED indication of live Illuminates if there is an alternating voltage of 20V circuit warning AC or more in the circuit under test before Continuity or Insulation resistance tests When DC voltage is detected across the measuring terminal the LED lights up LED indication of The P E and P N LEDs illuminate when the wiring of correct polarity the circuit under test is correct The reverse LED is lit whe...

Page 12: ...ides of the resistor under test Resistance value Ω Voltage V Current A This measurement should not include the resistance of any test leads used The resistance of the test leads needs to be subtracted from any continuity measurement KEW 6010B is provided with a continuity null feature which allows automatic compensation for any test lead resistance Proceed as follows 1 Select the continuity test b...

Page 13: ...test leads to the circuit whose resistance is required see Fig 3 for a typical connection arrangement Having first made sure that the circuit is not live Note that the live circuit warning LED will illuminate if the circuit is live but check first anyway 6 Press the test button and read the circuit resistance from the display The reading will have the test lead resistance already subtracted Note I...

Page 14: ...is current is made up of three components which are 1 capacitive current 2 conduction current and 3 surface leakage current 6 1 2 Capacitive Current The insulation between conductors which have a potential difference between them behaves as the dielectric of a capacitor the conductors acting as the capacitor plates When a direct voltage is applied to the conductors a charging current will flow to ...

Page 15: ...d or dirty the surface leakage current may be significant If it becomes large enough it may constitute a flashover between the conductors Whether this happens depends on the condition of the insulation surfaces and on the applied voltage this is why insulation tests are carried out at higher voltages than those normally applying to the circuit concerned Fig 6 6 1 5 Total Leakage Current The total ...

Page 16: ...f equipment are being connected to electrical installations The solid state circuits in such equipment are likely to be damaged by the application of the levels of voltage used to test insulation resistance To prevent such damage it is important that voltage sensitive equipment is disconnected from the installation before the test is carried out and reconnected again immediately afterwards The dev...

Page 17: ...ning LED is lit if the instrument is connected to a live circuit but test the circuit as well 6 4 Insulation resistance measurement KEW 6010B has a selectable double test voltage of 500V and 1000V DC 1 Select the insulation resistance setting by rotating the function switch to the required test voltage 500V or 1000V as indicated under the insulation test section of the functional switch after maki...

Page 18: ... button BEFORE disconnecting the test leads from the circuit or from the appliance This will ensure that the charge built up by the circuit or the appliance during insulation test is dissipated in the discharge circuit In the discharging process an LED illuminates and the live circuit warning buzzer will sound CAUTION NEVER TURN THE FUNCTION DIAL WHILE THE TEST BUTTON IS DEPRESSED AS THIS MAY DAMA...

Page 19: ...lt current and the longer it will take for the circuit protection fuse or circuit breaker to operate and interrupt the fault To make sure that fuses will blow or that circuit breakers will operate quickly enough in the event of a fault the loop impedance must be low the actual maximum value depending on the characteristics of the fuse or the circuit breaker concerned Every circuit must be tested t...

Page 20: ...0 Impedance of the power transformer secondary winding Impedance of the phase conductor from the power transformer to the location of the fault Impedance of the protective conductor from the fault location to the power transformer 7 3 Automatic over temperature cut out During the short test period the instrument dissipates power of about 6 kW If frequent tests are conducted over a prolonged period...

Page 21: ...s connect the plug lead to the KEW 6010B and push the moulded plug into the socket to be tested see Fig 11 4 Check the wiring LEDs are lit see above 5 Note the mains voltage displayed by the instrument 6 Press the test button The value of the measured loop impedance will be displayed with the appropriate units 7 If testing lighting or other circuits connect the three wire lead Model 7133B OMA DIEC...

Page 22: ...ribed in 7 4 and 7 5 above will measure the Phase Earth loop impedance If you wish to measure the Phase Neutral loop impedance then the same procedure should be followed except the earth lead should be connected to the neutral of the system i e the same point as the black neutral lead If the system has no neutral then you must connect the black neutral lead to the earth i e the same point as the g...

Page 23: ... button on the RCD is pressed operation of the test button simply trips the breaker to ensure that it is working but does not measure the time taken to break the circuit 8 2 What does the RCD test really do The RCD is designed to trip out when the difference between the phase current and the neutral current this is called the residual current reaches the tripping value or rating of the device The ...

Page 24: ...ated Uc voltage is calculated based on the Rated Residual Current IΔN with the impedance measured KEW 6010B has two Uc functions as follow Monitors Uc value At Uc range Uc value 0 100V can be displayed Compares Uc value with UL value 50V or 25V Before the RCD trip test at RCD range the Uc value is compared with the selected UL value If Uc exceeds UL the RCD trip test does not operate and UcH v is ...

Page 25: ...a little bit from Model 6010A Distortion factor of test current Difference operating time of some RCD Comparison Uc value with UL value Difference time to compare the Uc value with the UL value more correctly after pressing the test button at RCD ranges Max 3 sec 8 6 RCD testing WARNING DO NOT PROCEED WITH TESTING UNLESS THE P E AND P N LEDs ARE LIT TO CONFIRM THAT THE WIRING IS CORRECTLY CONNECTE...

Page 26: ...played OL the RCD has not tripped 8 Change the phase angle to 180 and repeat the test 9 In the event of the RCD tripping the trip time will be displayed but the RCD maybe faulty 10 Set the function switch to X1 FAST for the trip test which measures the time taken for the RCD to trip with the set residual current 11 Set the phase angle to indicate 0 in the display 12 Make sure that the P E and P N ...

Page 27: ... DC sensitive RCDs KEW 6010B has a facility to test RCDs that are sensitive to DC fault current Proceed as follows 1 Set the function switch to DC and the IΔN select switch to the rated residual operating current of the RCD under test 2 Set the phase angle to indicate 0 in the display 3 Set the UL value 50V or 25V 4 Connect the instrument to the RCD to be tested 5 Check the wiring as 8 6 1 or 8 6 ...

Page 28: ...ating current of the RCD under test RCD will trip and no may be displayed on the LCD If the RCD does not trip the tester will supply the test current for a maximum of 2000ms on the X1 2 and X1 ranges The fact that the RCD has not tripped will be evident because the P E and P N LEDs will still be on WARNING If a voltage exists between the protective conductor and earth it may influence the measurem...

Page 29: ...red result 2 Press to enter into MEMORY MODE appears on the LCD 3 Press or and select Data No 000 299 4 Press Confirmed 5 Press or and select Place No P 00 P 99 6 Press Confirmed Stored To Normal mode Measurement mode Note By pressing MEMORY MODE SWITCH during an operation can also undo the last action or release MEMORY MODE Measurement cannot be performed when Test button is pressed in MEMORY MOD...

Page 30: ... on LCD NORMAL MODE MEMORY MODE 2 Press to recall 3 Press or and select Data No 000 299 4 Press Can check the followings Measured result Function No See Fig 1 Place No Note By pressing MEMORY MODE SWITCH during an operation can also undo the last action or release MEMORY MODE Measurement cannot be performed when test button is pressed in MEMORY MODE ...

Page 31: ...000 299 ALL 4 Press clr is displayed and blinking 5 Press the data is deleted with beep Press the data is not deleted After either operation returns to Data No Note By pressing MEMORY MODE SWITCH during an operation can also undo the last action or release MEMORY MODE Measurement cannot be performed when Test button is pressed in MEMORY MODE Select ALL at STEP 3 to delete all stored data Undo or D...

Page 32: ...ata in KEW 6010B will be transferred to your PC Please refer to the instruction manual of Model 8212 and HELP of KEW Report for further details Fig 14 Note Use KEW Report with version 1 10 or more The latest KEW Report can be downloaded from our HP Model 8212 system requirements 1 OS Operation system Please refer to version label on CD case about Windows os 2 Pentium 233MHz or more recommended 3 R...

Page 33: ...6 batteries taking care to observe correct polarity Replace the battery cover 10 2 Fuse replacement The Continuity test circuit is protected by a 600V 0 5A HRC ceramic type fuse situated in the battery compartment together with a spare If the instrument fails to operate in the Continuity test mode first disconnect the test leads from the instrument and power off Next remove the battery cover take ...

Page 34: ...or Loop RCD Uc testing If this sliding cover is damaged so that it fails to perform its function do not use the instrument and return it to your distributor for attention 12 SERVICING If this tester should fail to operate correctly return it to your distributor stating the exact nature of the fault Before returning the instrument ensure that 1 The leads have been checked for continuity and signs o...

Page 35: ...k both hands will be left free for testing Fig16 Pass the strap DOWN through the first case lug under the case and UP through the other lug Side the sholder pad onto the strap Feed the strap DOWN through the slots in the back of the test lead pouch Pass the strap through the buckle adjust the strap for length and secure ...

Page 36: ...9 18 92 1733D DISTRIBUTOR Kyoritsu reserves the rights to change specifications or designs described in this manual without notice and without obligations ...

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