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KYORITSU KEW6201A, Instuction Manual

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KYORITSU KEW6201A Instuction Manual Download Page 15

— 13 —

  

   Press  Null|250V/500V  switch with contacting the Test Lead and the 

metal parts, the resistance of Test Lead will be displayed on the LCD as 
shown above fig.10 for 2sec.

  

   Then,  the  instrument  cancels  the  resistance  value  of  Test  Lead  and 

adjust the displayed value to  0.00  as shown below fig.10.

  

   At this bout, 

NULL

 mark is displayed in the LCD.

  

   Null setting cannot be done when a resistance is 3

Ω

 or more. 

  

   A message  no  appears to indicate a resistance is exceeding the Null 

setting range.

    Display at Null setting

 ⑷

  Null  setting  can  be  released  by  pressing  Null|250V/500V   switch  for 

2sec. The 

NULL

 mark on the LCD will disappear when Null setting is 

released. 

  

 Null setting and release can be done on Class I Test function only.

5.2.4  Voltage setting for insulation resistance measurement

   

(How to change 250V and 500V)

 ⑴

  Set  the  function  switch  to  Class  II  Test  function,  and  press  the 

Null|250V/500V   switch.  Then  the  mark  to  indicate  the  selected 

voltage  is  shown  on  the  LCD.  By  pressing  Null|250V/500V   switch, 

250V and 500V can be changed over.

Fig. 10

Fig. 11

Summary of Contents for KEW6201A

Page 1: ...PORTABLE APPLIANCE TESTER KEW6201A INSTRUCTION MANUAL ...

Page 2: ...rence test condition 10 5 Preparation before a measurement 11 5 1 Visual inspection 11 5 2 Connection to main power supply 11 5 2 1 Connection of mains cord 11 5 2 2 Check the power supply voltage 11 5 2 3 Null setting Protective conductor resistance function 12 5 2 4 Voltage setting for insulation resistance measurement 13 6 Measuring method 14 6 1 Class I Test 14 6 2 Class I Test Select the Leak...

Page 3: ...ce with the instructions KYORITSU will not accept liability for any damage or injury caused by misuse or non compliance with the instructions or with the safety procedures It is essential to read and to understand the safety rules contained in the instructions or with the safety procedures The symbol indicated on the instrument means that the user must refer to the related sections in the manual f...

Page 4: ...e or serious personal injury may be caused Verify proper operation on a known source before use or taking action as a result indication of the instrument It is essential that the above instructions are adhered to Failure to follow the above instructions may cause injury instrument damage and or damage to equipment under test Kyoritsu is by no means liable for any damage resulting from the instrume...

Page 5: ...tion of service Be careful when the same main power supply is used for PCs We are not liable for loss of data on PC during testing with this instrument The device under test DUT is powered on during most tests but please turn it to OFF position after use Use a cloth dipped in water or neutral detergent for cleaning the instrument Do not use abrasives or solvents 2 Procedure of removing cover KEW 6...

Page 6: ...ass I and Class II categories As a guide IEC standard define these two categories as follows Class I Appliances which have a functional insulation throughout and an earth connected case These are often described as earthed appliances Class II Appliances which have both functional and additional insulation where any metal parts cannot become Live under fault conditions 3 2 Test Function KEW6201A ha...

Page 7: ...on the insulation resistance test Null function for the protective conductor resistance test Warning for the over range value in the LCD Capable of judging pass fail of tests by LED on the panel and by buzzer 3 4 INSTRUMENTS LAYOUT Terminal Block Test socket Insert the mains plug of DUT to this socket for the polarity test of protective conductor resistance insulation resistance and Leakage curren...

Page 8: ...nductor resistance and insulation resistance exceeds the limit dictated by applicable standards LED lights up in red When it is within the limit LED lights up in green Start Stop switch A measurement starts by pressing this switch Pressing the Start Stop Switch again during Leakage Current Test stops measurements Null 250V 500V switch Class I test measurement It is used in order to push the Null b...

Page 9: ...om it To measure contact current the socket of the main power supply is to be equipped with an earth terminal Test Lead with safety alligator clip M 7129A and Probe with Blade type Prod M 7161A The adapter of a tip part is exchangeable for an alligator clip and a test stick type Please use it according to a measurement use Extension leads adaptor M 7140 This is for connecting the instrument and a ...

Page 10: ...overheating of the transformer When the overheat symbol appears on the LCD screen the unit will cease to operate until it cools down to normal operating temperature and the overheat symbol disappears from the screen Normal operation then resumes 3 6 Applicable standards Instrument operation AS NZS 3760 In service safety inspection and testing of electrical equipment Safety IEC EN61010 1 CAT III 30...

Page 11: ... Insulation resistance RINS Rating 250V 20MΩ and 500V 20MΩ Measuring range 0 1 19 99MΩ Resolution 10kΩ Rated voltage 250V 500V DC 20 10 1MΩ Short circuit current 2 5mA DC or less Accuracy 2 rdg 3dgt Leakage current test Measuring range AC0 1 19 99mArms Resolution 0 01mA Accuracy 3 rdg 5dgt Examination time Max 15 seconds Note For MOV appliances use Leakage Current test 4 2 Threshold and display Eq...

Page 12: ...NFORCED INSULATION Caution Refer to the accompanying instruction manual This instrument satisfies the marking requirement defined in the WEEE Directive 2002 96 EC This symbol indicates separate collection for electrical and electronic equipment Measurement categories To ensure safe operation of measuring instruments IEC 61010 establishes safety standards for various electrical environments categor...

Page 13: ...th M7123 mains cord CAUTION Always be sure to check there is no abnormal conditions or damages on the instrument and cords If any evidence of abnormality found measurement shall be stopped immediately The outlet of main power supply must have earth terminal This instrument can be only connected to the commercial power of 240V 10 10 50Hz 5 2 2 Check the power supply voltage There is no power switch...

Page 14: ...ing Null 250V 500V switch The procedure of Null setting is shown below The Null function is not released even if power off the instrument therefore there s no need to do Null setting at every measurement However when replacing fuses or test leads it is recommended to do Null setting again Procedure Set the function switch to Class I Test function Connect the mains supply and the instrument with M7...

Page 15: ...rs to indicate a resistance is exceeding the Null setting range Display at Null setting Null setting can be released by pressing Null 250V 500V switch for 2sec The NULL mark on the LCD will disappear when Null setting is released Null setting and release can be done on Class I Test function only 5 2 4 Voltage setting for insulation resistance measurement How to change 250V and 500V Set the functio...

Page 16: ...re parts and accessible conductive parts is within the range defined in the standards To conduct the tests of protective conductor resistance and insulation resistance for DUT connect the mains plug of DUT to the test socket 1 described in clause 3 4 INSTRUMENTS LAYOUT and PE probe terminal 5 Use the following setups depending upon the type of DUT Fig 12 Clip except for the part which rotates or b...

Page 17: ... value exceeds measuring range OL mark over range display appears on the LCD Do not touch the device under test while testing is in progress Since a high voltage of 500V user may get electrical shock Protective conductor resistance RPE 1Ω Appliance switch test 3 Insulation resistance between L N and PE LnE 1MΩ Light up in red no Con value will be repeated on the LCD Light up in red no LnE value wi...

Page 18: ... stop of the test Then 1 Protective conductor resistance will be restarted Fig 12 indicates how to connect the devices Class I Test Select the Leakage current test Flowchart Start 1 Protective conductor resistance RPE 1Ω 2 Power on Leakage current test LEA 5mA Light up in red no Con value will be repeated on the LCD Light up in red Stop the test and no LEA value will be repeated on the LCD Value o...

Page 19: ...are should also be taken to light and heat generated by the device Firmly insert the plugs of DUT to the AU socket of this instrument Plugs may be heated if Leakage current test is performed with improper connection Do not connect remove the plugs during Leakage current test It may cause reading error Do not use the instrument on the device which has a power of 2kVA or more 6 3 Class Ⅱ Test The Cl...

Page 20: ...e pressing Select switch Power on leakage current test will be carried out instead of Insulation resistance test When Leakage current test is chosen DUT will operate actually Clip a metal part of the machine tool except for the rotating part with Test Lead M 7129A In order to stop testing the leakage current while measuring press START STOP To start a test again press START STOP again after about ...

Page 21: ...d heat generated by the device Firmly insert the plugs of DUT to the AU socket of this instrument Plugs may be heated if Leakage current test is performed with improper connection Do not connect remove the plugs during Leakage current test It may cause reading error Do not use the instrument on the device which has a power of 2kVA or more Power on Leakage current test LEA 1mA Light up in red Stop ...

Page 22: ...eck Protective conductor resistance between accessible conductive parts and connection of protective earth Insulation resistance between L N and PE Polarity check of the Line and Neutral terminal of plug and socket Test procedure and the connection are as follows Fig 14 ...

Page 23: ...ange OL mark over range display appears on the LCD Do not touch the device under test while testing is in progress Since a high voltage of 500V user may get electrical shock 1 Protective conductor resistance test RPE 1Ω 2 Insulation resistance test between L N and PE 3 Polarity test between L L and N N L L N N 10Ω Light up in red no Con value will be repeated on the LCD Light up in red no LnE valu...

Page 24: ...easuring range OL mark over range display appears on the LCD The test will stop A message Stp appears on the LCD but values of Leakage current aren t displayed 1 Protective conductor resistance test RPE 1Ω 2 Power on Leakage current test LEA 1mA Light up in red no Con value will be repeated on the LCD Light up in red Stop the test and no LEA value will be repeated on the LCD Value of 1 and 2 will ...

Page 25: ...not light on even the Class I Class II thresholds are exceeded Set the function switch to Leakage Current Test position Refer to the Fig12 or Fig13 for connection of an appliance After set up is done press START STOP switch Check the switch of DUT is ON DUT will operate for 15 seconds and the maximum value of the leakage current will be displayed on the LCD If the leakage from the DUT is greater t...

Page 26: ...s during Leakage current test It may cause reading error Do not use the instrument on the device which has a power of 2kVA or more 7 Fuse replacement When the fuse blows during use please replace with new one according to below procedure Use a flat head screwdriver and turn it about 45º to left and remove the fuse cap and fuse Remove the fuse from the fuse cap and replace it with new one Install t...

Page 27: ...strument should fail to operate correctly return it to your distributor Please remember to give all the information possible concerning the nature of the fault as this will mean that the instrument will be serviced and returned to you more quickly 9 Case and strap assembly Strap belt and probe case can be attached to the instrument as below Pass the strap belt down through the side panel of the ma...

Page 28: ...92 1843E 9 14 Kyoritsu reserves the rights to change specifications or designs described in this manual without notice and without obligations DISTRIBUTOR ...

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