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Summary of Contents for KYORITSU KEW 6010B
- Page 1 INSTRUCTION MANUAL MULTI-FUNCTION TESTER KEW 6010B KYORITSU ELECTRICAL INSTRUMENTS WORKS， LTD. 1.800.561.8187 information@itm.com www. .com...
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Page 2: Table Of Contents
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．... -
Page 3: 1．Safe Testing
10. For safety reasons only use accessories (test leads, probes, fuses, cases, etc) designed to be used with this instrument and recommended by KYORITSU. The use of other accessories is prohibited as they are unlikely to have the correct safety features. - Page 4 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 supply line.
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Page 5: 2．Instrument Layout
2. INSTRUMENT LAYOUT 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) -
Page 6: 3．Features
3. FEATURES KEW 6010B Multi-Function tester performs six functions in one instrument. 1. Continuity tester 2. Insulation resistance tester (500V/1000V) 3. Loop impedance tester 4. RCD tester 5. Uc tester 6. Mains voltage warning when operating the Loop, RCD and Uc mode. - Page 7 Wiring check Three LEDs indicate if the wiring of the circuit under test is correct. Over temperature Detects overheating of the internal resistor (used for Loop tests) and of the current control protection MOS-FET (used for RCD and Uc tests) displaying a warning symbol "...
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Page 8: 4．Specification
4. SPECIFICATION Measurement Specification Continuity Open Circuit Short Circuit Range Accuracy Voltage (DC) Current Up to 2Ω ± (3%rdg + 4dgt) Greater than 20/200Ω Greater than 6 V 200mA@2Ω Auto - Ranging Over 2Ω ± (3%rdg + 3dgt) Insulation Resistance Open Circuit Function Rated Current... - Page 9 Voltage Measurement Rated Voltage (AC) Measuring Range (AC) Accuracy 100-250V 50Hz 100-300V 3% rdg @ Loop/RCD/Uc Range To prevent wrong connection of test leads and to maintain safety, the dedicated terminals used for continuity and insulation tests are automatically covered when using the terminals for Loop impedance, RCD and Uc tests.
- Page 10 ● Operating instrumetal uncertainty of RCD (IEC 61557-6) Function Operating uncertainty of trip current ×1/2 -10% - ×1, FAST 0% -+10% Auto Ramp -10% -+10% The influencing variations used for calculating the operating error are denoted as follows: Temperature : 0℃ and 35℃ Earth electrode Resistance (shall not exceed below) : Earth electrode resistance (Ωmax.) IΔn (mA)
- Page 11 LED 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.
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Page 12: 5．Continuity (Resistance) Tests
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. - Page 13 4． Release the test button. Press the test button and ensure the display reads zero before proceeding. While using the Continuity null function, " " appears on the LCD. The null value will be stored even if power off the instrument. The memorized null value can be cancelled by disconnecting the test leads and pushing the AUTO NULL SWITCH with the test button pressed or locked.
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Page 14: 6．Insulation Tests
This charge must be removed from the system at the end of the test, a function which is automatically performed by KEW 6010B. If an alternating voltage is applied between the conductors, the system continuously charges and discharges as the applied voltage alternates, so that there is a continuous alternating leakage current flowing to the system. -
Page 15: 6． 1． 3 Conduction Current
6． 1． 3 Conduction Current Since the insulation resistance is not infinite, a small leakage current flows through the insulation between conductors. Since Ohm's Law applies, the leakage current can be calculated from applied voltage (V) Leakage current (μA) = insulation resistance (MΩ) Fig 5 6．... -
Page 16: 6． 2 Damage To Voltage Sensitive Equipment
The system is charged to the full test voltage, and will be dangerous if left with this charge. KEW 6010B provides an automatic path for discharging current as soon as the test button is released to ensure that the circuit under test is safely discharged. -
Page 17: 6． 3 Preparation For Measurement
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"... - Page 18 3． If the mains warning LED lights and/or the buzzer sounds DO NOT PRESS THE TEST BUTTON but disconnect the instrument from the circuit. Make the circuit dead before proceeding. Fig 8 4. Press the test button when the display will show the insulation resistance of the circuit or the appliance to which the instrument is connected.
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Page 19: 7． Loop Impedance Tests
○ Even though the test current in the 2000 ohm range (15mA test current) is low some RCD's may trip due to sensitivity or where there may already be additional leakage in the circuit being tested. ○ The Loop impedance in a TN system is small and therefore it is not recommended to test in the 2000 ohm range. -
Page 20: 7． 3 Automatic Over-Temperature Cut-Out
● Impedance of the power transformer secondary winding. ● Impedance of the phase conductor resistance from the power transformer to the location of the fault. ● Impedance of the protective conductor from the fault location to the local earth system. ●... -
Page 21: 7． 4 The Loop Impedance Test
1．Power on the instrument. 2．Set the function switch to Loop 20Ω range. 3． If testing sockets, 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). -
Page 22: 7． 5 Loop Impedance At 3 Phase Equipment
WARNING Do not connect phase to phase as this instrument is rated at 230V. 7.5 Loop impedance at 3 phase equipment Use the same procedure as in 7.4 above ensuring that only one phase is connected at a time i.e.: First Test: red lead to phase 1, black lead to neutral, green lead to earth. -
Page 23: 8．Rcd/Uc Tests
RED (L) GREEN (PE) BLACK (N) Fig 12 8. RCD/Uc TESTS DISCONNECT THE INSTRUMENT FROM THE CIRCUIT UNDER TEST BEFORE OPERATING THE FUNCTION SWITCH TO SELECT THE RCD OR UC TEST RANGE SELECT "RCD" OR "UC" 8.1 Purpose of the RCD test The RCD must be tested to ensure that operation takes place quickly enough to ensure that there is unlikely to be serious danger to a person experiencing an electric shock from the system. -
Page 24: 8． 3 What Is Uc
When with the Uc Test letting flow IΔN to the RCD, the Uc is calculated. Fig 13 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. -
Page 25: 8． 4 Uc Testing
6．If the LEDs are correctly lit, press the test button. 8.5 Operation of KEW 6010B RCD testing The RCD range of KEW 6010B has been improved comparing with our Model 6010A. Therefore, may differ a little bit from Model 6010A. ● Distortion factor of test current ... - Page 26 3． Set the phase angle to indicate 0°in the display. (The initial value is 0°) 4．Set the UL value 50V or 25V. (The initial value is 50V) 5． Connect the instrument to the RCD to be tested either via a suitable socket outlet (see Fig 11) or using the Model 7133B (OMA DIEC) test lead set (see Fig 12).
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Page 27: 8． 6． 2 "Fast Trip" Test
8.6.4 Testing Auto Ramp " " KEW 6010B has a facility to test the current that are tripped the RCD under test. Proceed as follows: 1． Set the function switch to "Auto Ramp" and the IΔN select switch to the rated residual operating current of the RCD under test. -
Page 28: 8． 7 Testing Time Delayed Rcd's
OPERATION OF THIS TEST. Note: ● KEW 6010B calculates the Uc voltage with the impedance measured, and if the calculated Uc voltage exceeds UL, KEW 6010B indicates the warning "UcH v" on the LCD and stops the measurement. If the value is less than UL, the unit proceeds with the measurement of a RCD. -
Page 29: 9．Store / Recall A Measured Result
9. STORE / RECALL A MEASURED RESULT Measured result at each function can be stored in the memory of the instrument. (MAX : 300) When KEW 6010B is in MEMORY MODE, " " is being displayed on the LCD. 9.1 How to store the data Store the result according to following sequence. -
Page 30: 9． 2 Recall The Stored Data
9.2 Recall the stored data Stored data can be displayed on LCD according to following sequence. (1) Press to enter into MEMORY MODE (" " appears on LCD). NORMAL MODE MEMORY MODE (2) Press to recall. Undo (3) Press and select ... -
Page 31: 9． 3 Delete The Stored Data
9.3 Delete the stored data Stored data can be deleted according to following sequence. (1) Press to enter into MEMORY MODE (" " appears on LCD). NORMAL MODE MEMORY MODE (2) Press to recall. Undo (3) Press and select Data No. ("ALL"... -
Page 32: 9． 4 Transfer The Stored Data To Pc
(1) Firmly insert the D-SUB 9Pin female connector of Model 8212 into the socket (D-SUB 9Pin male) of PC. (2) Insert Model 8212 into KEW 6010B as shown in Fig 14. Test Leads shall be removed from KEW 6010B at this time. -
Page 33: 10．Battery / Fuse Replacement
10. BATTERY / FUSE REPLACEMENT WARNING NEVR OPEN THE BATTERY COVER WHILE MAKING MEASUREMENT. TO AVOID POSSIBLE ELECTRICAL SHOCK, DISCONNECT THE TEST LEAD AND POWER OFF THE INSTRUMENT BEFORE OPENING THE BATTERY COVER FOR BATTERY OR FUSE REPLACEMENT. 10.1 Battery replacement When the display shows the low battery indication "... -
Page 34: 11．General
11. GENERAL The test button can be locked down for ease of use by pressing it and turning clockwise. Do not forget to release test button by turning it counterclockwise before disconnecting the instrument from the test points. Failure to do so may leave the tested circuit in a charged condition when carrying out insulation test. -
Page 35: 13．Case, Strap And Shoulder-Pad Assembly
13. CASE, STRAP AND SHOULDER-PAD ASSEMBLY Correct assembly is shown in Fig 16. By hanging the instrument round the neck, both hands will be left free for testing. ① Pass the strap DOWN through the first case lug,under the case and UP through the other lug.
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Questions and answers
Can this meter test fault loop on single pole rcds , or will it trip under test?
No, the KYORITSU KEW 6010B meter may trip single pole RCDs during fault loop testing. The test draws current from phase and returns it through earth, which can activate the RCD. To avoid this, the RCD must be removed from the circuit and temporarily replaced with a suitably rated MCB during the loop test.
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