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Kyoritsu Electrical Instruments Works KEW 4506, Instruction Manual

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Kyoritsu Electrical Instruments Works KEW 4506 Instruction Manual Download Page 9

̶ 7 ̶

(2) LCD

          

　　　

                         Fig. 3-2

　　　

Displayed segments and symbols

Testable and selectable socket system:

*   “

”  blinks  only  when  testing  for  the  first  time 

with default setting.

Ready to detect test voltage

Ready to measure N-E resistance 

 

Low battery warning

 

Buzzer is disabled.

Appears during judgement is in progress.

Indicates voltage between L-N.
Indicates  the  following  values  based  on  the 

measured N-E voltage.

- less than 8.0 V: resistances between 

 

            

0.0 Ω and 1999 Ω

- 8.0 V or higher: voltages between 

 

            

8.0 V and 20.0 V.

Summary of Contents for KEW 4506

Page 1: ...Instruction Manual INTELLIGENT SOCKET TESTER KEW 4506 ...

Page 2: ...and neutral wire N 11 6 1 2 N E wiring check based on polarities of voltage signal from signal source KEW 8343 12 6 1 3 Socket test procedures 13 6 1 4 Connection of KEW 8343 15 6 1 5 How to use KEW 4506 25 6 2 2P outlet 30 7 Settings 33 7 1 Disabling resistance measurement of earth wire E and neutral wire N 3P outlet 33 7 2 Buzzer and backlight settings 34 8 LCD backlight 35 9 Battery replacement...

Page 3: ...anual at hand to enable quick reference whenever necessary The tester is to be used only in its intended applications Understand and follow all the safety instructions contained in the manual When using the optional KEW 8343 Signal source together with KEW 4506 read the instruction manual for KEW 8343 as well It is essential that the above instructions are adhered to Failure to follow the instruct...

Page 4: ...nd to electrical environments with greater momentary energy so a measuring instrument designed for CAT III environments can endure greater momentary energy than one designed for CAT II O None Other Circuits which are not directly connected to the mains power supply CAT II Primary electrical circuits of the equipment connected to an AC electrical outlet by a power cord CAT III Primary electrical ci...

Page 5: ...ine with the metal tips of KEW 4506 during a measurement It may cause personal injury Do not exceed the maximum allowable input of any measuring range Never open the battery compartment cover during a measurement WARNING Always verify the proper operation on a well known power source before starting to use the tester If any breaks or cracks are noted on the tester or tip plugs or exposed metal par...

Page 6: ... sunlight extremely high temperature and humidity or dew fall Use a damp cloth with neutral detergent or water for cleaning the tester Do not use abrasives or solvents If the tester is wet make sure to let it dry before putting it into storage The following symbols are marked and used on the tester or in this instruction manual Before starting to use the tester please read and understand the meani...

Page 7: ...orrect or reverse When NE reverse connection is detected LCD visually shows incorrect wiring e g L N Reverse or E Non connect etc Compatible with 3P and 2P outlets To connect the tester to 2P outlet commercially available 3P 2P conversion adapter is required At 3P outlet testing the tester measures resistance between N E and displays the value on the LCD Test current is 10 mA max therefore RCDs ra...

Page 8: ...own 0 5 sec or longer with a bare finger Tester measures potential differences between the operator and N terminal by touching the pad at test and check miswiring 3P 2P button Selects 3P or 2P 3P is always on when powering on KEW 4506 Power button Powers on off KEW 4506 by holding down at least 1 second LCD With auto backlight turns on off automatically depending on the ambient brightness Illumina...

Page 9: ...setting Ready to detect test voltage Ready to measure N E resistance Low battery warning Buzzer is disabled Appears during judgement is in progress Indicates voltage between L N Indicates the following values based on the measured N E voltage less than 8 0 V resistances between 0 0 Ω and 1999 Ω 8 0 V or higher voltages between 8 0 V and 20 0 V ...

Page 10: ...r 20 0 V Indicates N E resistance measurement is disabled Displayed only when the test voltage is used for wiring check Indicates the result is judged by test voltage detection method Indicates correct wiring Indicates miswiring Indicates N E connection is unjudgeable Indicates wiring errors are detected Indicates abnormal voltage across terminals Indicates incomplete connection Indicates miswirin...

Page 11: ...n power button 1 sec to power on KEW 4506 A long press 1 sec or longer is required to power on the tester for safety purpose A long press of power button is also required to power off the tester 2 Confirm that battery level indicator isn t displayed at the upper left on the LCD Note Use of size AA Alkaline battery is recommended The battery level indicator may not be properly displayed if the othe...

Page 12: ...continue testing with battery level warning indicator is displayed on the LCD 6 1 Outlet with earth pole 3P Note The tester may show E Non connect although the outlet is correctly wired if the earth resistance of the circuit under test is high or voltage between L E is extremely low due to large leakage currents The tester measures the following values and judges whether wall outlets are properly ...

Page 13: ...s applicable it is recommended to use test voltage signal only with N E resistance measurement function turning off See Outlet with earth pole 3P resistance of earth wire E and turning off resistance measurement of neutral wire N in 7 Settings CAUTION Anti trip technology is applicable to RCDs rated to 30 mA or higher It s not applicable to RCDs rated to 15 mA RCDs rated to 30 mA or higher may tri...

Page 14: ...stance over range RN RE 1999 Ω 6 1 2 N E wiring check based on polarities of voltage signal from signal source KEW 8343 As shown in Fig 6 2 apply test voltage to a neutral wire N via signal source Connect KEW 4506 to a 3P outlet and measure the test voltage between N E and then compare the phase of test voltage and reference value to judge whether the phase is the same with the reference value Cor...

Page 15: ...tion close to the branch circuit breaker to which 3P outlet under test is wired and apply test voltage See 5 Wiring system described in the instruction manual for KEW 8343 6 1 3 Socket test procedures KEW 4506 conducts test in the following procedures VL N Voltage between L N VL E Voltage between L E VN E Voltage between N E VMAX The maximum voltage among L N L E and N E Measured voltage is 70 or ...

Page 16: ...se No potential differences Touch pad test No potential differences Touch pad test N E Volt test 1 Test Volt signal test Resistance test N E unjudgeable 20 V N E unjudgeable N E Reverse N E Volt test 2 Correct VN E 8V RN RE 1Ω or RNE 2Ω or RNE 2000Ω Positive Undetectable VN E 8V VN E 20V VN E 20V RN RE RN RE Negative Fig 6 3 ...

Page 17: ... shown below arrow mark on the clamp shall be towards the outlet Ensure that the transformer jaws are firmly engaged and closed Outlet side Power source side Arrow mark Fig 6 4 Note To apply test voltage correctly check the size of conductor to be tested the maximum measurable conductor size is approx 24 mm so that the jaws close completely ...

Page 18: ...ce of the test voltage signal therefore if the orientation of test voltage injection clamp is incorrect KEW 4506 judges as NE Reverse even if the tested socket is correctly wired Fig 6 5 NE Reverse correctly wired It is impossible to test ungrounding system floating power supply which is mainly utilized in hospital sound room and UPS Uninterruptible Power Supply because test voltage cannot be appl...

Page 19: ...g 6 7 KEW 8343 and KEW 4506 Socket tester cannot perform socket test if they are connected to a live phase and in which one voltage phase is different from other phases in Three phase 4 wire system wye or delta connection That is if you make connections as illustrated on the next page Fig 6 9 and Fig 6 10 for the wiring systems described below correct measurement result cannot be obtained Fig 6 8 ...

Page 20: ... 18 Power supply KEW8343 Fig 6 9 Power supply KEW8343 Fig 6 10 ...

Page 21: ...hase 2 Wire Clamp the neutral wire N with test voltage injection clamp and black voltage detection cable to neutral wire N and red voltage detection cable to hot live wire L Black Red Power supply KEW8343 Fig 6 11 ...

Page 22: ...st voltage injection clamp and black voltage detection cable to neutral wire N and red voltage detection cable to hot live wire either L1 or L2 correctly Then you can test any 3P sockets which are connected to L1 or L2 KEW8343 Power supply Black Red Fig 6 12 ...

Page 23: ...S with the test voltage injection clamp and connect the black voltage detection cable to L2 S and red voltage detection cable to a hot live wire either L1 R or L3 T correctly Then you can test any 3P outlets which are connected to L1 R or L3 T Power supply KEW8343 Black Red Fig 6 13 ...

Page 24: ... injection clamp and black voltage detection cable to neutral wire N and red voltage detection cable to hot live wire either L1 R L2 S or L3 T correctly Then you can test any 3P outlets which are connected to L1 R L2 S or L3 T Power supply KEW8343 Black Red Fig 6 14 ...

Page 25: ...p as explained with Fig 6 5 at the previous clause KEW 4506 may judge as NE Reverse even if the outlet is correctly wired as shown in Fig 6 15 outlet wired to branch circuit breaker B Connect the test voltage injection clamp to the appropriate neutral wire N of the branch circuit breaker with the correct orientation and location Other branch circuit breakers NE Reverse Branch circuit breaker B Bra...

Page 26: ...t is NOT recommended to connect test voltage injection clamp to the position shown in Fig 6 16 This is because KEW 4506 may show if multiple loads are connected to an outlet wired from any of the other branch circuit breakers which is not the one to be tested and where those loads are active Power supply Other branch circuit breakers correct Branch circuit breaker B correct Branch circuit breaker ...

Page 27: ... power cord and test leads supplied with the tester only Kyoritsu is by no means liable for any damage resulting from the use of commercially available power cord and test leads KEW 4506 may not judge the wiring condition if test lead with IEC connector KAMP10 or MODEL 7284 is degraded and the internal resistances are extremely changed Fig 6 17 Firmly connect test lead with IEC connector KAMP10 or...

Page 28: ...r other protective gears and do not touch the earth terminal of the outlet to avoid electrical shock accident due to wiring error CAUTION Do not apply excessive force to the tip of outlet plug Note When conducting a test stand on the floor and do not touch anything other than the tester to measure electrical potentials precisely ...

Page 29: ...rrectly wired In addition green LED indicator lights up as shown in Fig 6 19 and beep sounds once Fig 6 18 Green LED lights up Fig 6 19 Measured value displayed on the bottom area of LCD Resistance value N E resistance determined by measuring resistance between neutral wire N and earth wire E is displayed Voltage value N E voltage is displayed if voltage between N E is 8 V or higher When N E volta...

Page 30: ...rse Abnormal voltage N Non connect E Non connect N E unjudgeable Fig 6 21 Red LED lights up Measured value displayed on the bottom area of LCD in case of N E Reverse Resistance value N E resistance determined by measuring resistance between neutral wire N and earth wire E is displayed Voltage value N E voltage is displayed if voltage between N E is 8 V or higher When N E voltage is higher than 8 V...

Page 31: ... refer to the manual for signal source and replace batteries with new ones Signal source is clamped in incorrect location Please refer to each Note described in 6 1 4 Connection of KEW 8343 and make connections in correct position observing correct orientation Large load current is flowing through the clamped neutral wire N Signal source cannot apply test voltage correctly if large current exceedi...

Page 32: ...es are 290 V or less The tester doesn t start a test even if the test button is pressed when 290 V or higher voltage is applied to any of the three terminals Blink Blink Fig 6 22 6 2 2P outlet 1 Test method The tester conducts the following two measurements and judges whether wall outlets are properly wired or not 1 Voltage between L N terminals 2 Potential differences between N terminal and touch...

Page 33: ...which is required to connect with 2P outlet isn t supplied with the tester Prepare commercially available 3P 2P conversion adapter to connect the tester to 2P outlet and attach it to the plug part of test lead with IEC connector KAMP10 or MODEL 7284 before conducting a test Observe the correct orientation and connect to the outlet to be tested Note When conducting a test stand on the floor and do ...

Page 34: ...n green LED indicator lights up as shown in Fig 6 24 and beep sounds once Fig 6 23 Fig 6 24 Green LED lights up When the tester detects miswiring the LCD shows either of the following indication as shown in Fig 6 25 and red LED indicator lights up to indicate miswiring with continuous beep sounds Fig 6 26 Red LED lights up L N Reverse Abnormal voltage Fig 6 25 Fig 6 26 Measured result remains disp...

Page 35: ...arth wire E and neutral wire N 3P outlet Disabling N E resistance measurement and using test voltage signal only is recommended if the test site is applied to the conditions mentioned in cautions on page 11 and 12 in this manual Current flows by applying test voltage signal between N E is less than 1 µA Note Use of signal source KEW 8343 is required to conduct a test when N E resistance measuremen...

Page 36: ...sec with holding down button Now the tester enters setting mode 3 Press button and set the displayed function either ON or OFF and then press to confirm the selection and move to the next setting item Fig 7 2 1 Blinking buzzer symbol 2 Blinking backlight symbol Volt Meas screen 1 Buzzer OFF When OFF is selected and set symbol is displayed and buzzer doesn t sound ...

Page 37: ...rightness The sensitivity of the sensor is not adjustable Cover the sensor with your finger to turn on the light manually The illuminance sensor on the tester detects ambient brightness and automatically turns on off the LCD backlight Once the light turn on it stays on for about 15 seconds in a good light place The light turns off automatically after 2 minutes of no use even in a dark place A ligh...

Page 38: ...he battery compartment cover for battery replacement CAUTIOIN Do not mix new and old batteries or mix different types of batteries Insert batteries in correct polarity as marked inside Remove batteries if the tester is to be stored and will not be in use for a long period 1 Power off the tester 2 Loosen one battery compartment cover fixing screw and remove the cover 3 Replace two batteries with ne...

Page 39: ...t and enclosure Insulation resistance 50 MΩ or more 1000 V DC between electrical circuit and enclosure Applicable standards IEC 61010 1 2 030 CAT II 300V Pollution degree 2 IEC 63000 RoHS Dustproof waterproof IEC 60529 IP40 LCD Segment display with backlight Dimension 212 L 56 W 39 D mm Weight Approx 250g including batteries Power source Size AA battery x 2 pcs Alkaline LR6 is recommended Possible...

Page 40: ...the followings depending on the measured result 3P 2P 1 PASS 2 L N Reverse 3 L E Reverse 4 N E Reverse 5 E Not connected 6 N Not connected 7 8 Abnormal voltage 1 PASS 2 L N Reverse 3 Abnormal voltage 3 Resistance measurement between N E only when N E voltage is less than 8 V Resistance between N E is displayed with the judgement result Range Auto ranging Measuring range Test current Accuracy 200Ω ...

Page 41: ... 39 Memo ...

Page 42: ... 40 Memo ...

Page 43: ......

Page 44: ...DISTRIBUTOR Kyoritsu reserves the rights to change specifications or designs described in this manual without notice and without obligations 09 22 92 2376 ...

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