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Summary of Contents for Kyoritsu Electrical Instruments Works, Ltd. KEW 5410
- Page 1 INSTRUCTION MANUAL DIGITAL RCD(ELCB) TESTER KEW 5410...
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Page 2: Table Of Contents
Contents 1. Safety Warnings ………………………………………………….………….. 1 2. Procedure of removing Cover …………………………………………….… 3 2-1 Method of removing the Cover ………………………………………… 3 2-2 Method of storing the Cover ……………………………………….…. 3 3. Feature …………….…………………………………..…………………….…. 4 4. Specification ……………………………………………..…..…………….…. 5 5. Instrument Layout …………………………………………………………… 8 6. -
Page 3: Safety Warnings
1. Safety Warnings This instrument has been designed, manufactured and tested according to following standards, and delivered in the best condition after passing quality control tests. ● IEC61010-1 Measurement Category CAT.III 300V / CAT.ll 400V Pollution degree 2 ● IEC61010-031 ●... - Page 4 DANGER ● This instrument is designed to measure the earth-to-line voltage 90 ~ 264V and the line-to-line voltage up to 440V (50/60Hz). Do not exceed the maximum allowable input of any measuring range. ● Do not attempt to make measurement in the presence of flammable gasses.
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Page 5: Procedure Of Removing Cover
2. Procedure of removing Cover KEW5410 has a dedicated Cover to protect against impacts from the outside and prevent the operation part, the LCD and the Connector Block from becoming dirty. The Cover can be detached and put on the backside of the main body during measurement. -
Page 6: Feature
3. Feature This instrument is a digital RCD Tester to measure the trip time and trip out current of RCDs. It also equips the function to measure the voltage. ● Measurement of RCD trip time Conducting testing of rated residual non-operating currents at x 1/2 Range, measuring RCD trip time at x1 and x5 Ranges. -
Page 7: Specification
4. Specification ● Measuring range and accuracy (23℃±5℃ , relative humidity 75% or less) Test current Measuring Range Rated Voltage Accuracy IΔn range Trip Time ±(1%rdg+3dgt) 15 / 30 / 50 Testing time / 100mA 0ms ~ 200ms Test Current +2% ~ +8% Trip Time ±(1%rdg+3dgt) - Page 8 ● Used location : Altitude up to 2000m, indoor use ● Operating temperature : 0℃ ~ 40℃ , relative humidity 85% & humidity (no condensation) ● Storage temperature : -20℃ ~ 60℃ , relative humidity 85% & humidity (no condensation) ●...
- Page 9 ● Operating error Operating error (B) is an error obtained under the nominal operating conditions, and calculated with the intrinsic error (A), which is an error of the instrument used, and the error (En) due to variations. － － － － － － － － － － － － － － － － B＝±...
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Page 10: Instrument Layout
5. Instrument Layout 1. LCD 2. 0° / 180° Button (Polarity change) 3. IΔn Button 4. Test Button 5. Backlight Button 6. Function Switch Connector Block Fig. 3 ̶ ̶... - Page 11 Test Lead 1. Test Lead M7128 2. Test lead with alligator clip M7129 Fig. 4 * Long pin for M7128 The Tip pin of M7128 can be replaced with the Long pin M8017. (1) Unscrew and remove ① shown in Fig.4 and remove the Tip pin. (2) Install the Long pin and tighten ①.
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Page 12: Measurement Principle
6. Measurement principle This instrument has a constant current circuit, and drives leakage currents (I) between LINE-NEUTRAL as illustrated in Fig.5 to activate RCDs, moreover, can output and measure leakage currents flowing to the earth as shown in Fig.6. ● Trip time measurement: ... -
Page 13: Preparation
7. Preparation 7-1 Connection of Test Leads Connect the test lead properly. ● Connect the test lead M7128; red cord to the load of the Connector block and black cord to the power supply. ● When using the test lead with Alligator clip, connect the test lead M7128 (red) to the load of Connector block and M7129 to the power. -
Page 14: Setting Of Iδn
7-3 Setting of IΔn Balance the IΔn of the instrument and of the RCD by using the IΔn Button. ● Default value : 30mA ● Selectable values at x 5 Range are 15, 30, 50 and 100mA; 200 and 500mA are not available (Black arrow mark “▼” on the LCD indicates the selected value). -
Page 15: Measurements
8. Measurements 8-1 Connection Connect the instrument according to Fig. 7, 8, 9. DANGER This instrument is designed to measure the earth-to-line voltage 90 ~ 264V and the line-to-line voltage up to 440V (50/60Hz). Do not exceed the maximum allowable input of any measuring range. ... -
Page 16: Rcd Test
8-3 RCD test Press the Test Button while voltage is displayed on the LCD, then RCD test starts. ● x1/2, x1, x5 Ranges Measured RCD trip time will be displayed on the LCD. When the RCD under test doesn't trip, “OL ms” will be displayed instead. ... - Page 17 DANGER ● Voltage to earth of Earth electrodes or Protective conductors is auto- matically detected during RCD test - when applying test currents - at measurement using EARTH in order to prevent electrical shocks caused by the damaged earth. When the detected voltage at RCD test exceeding AC50V (AC100V “x5 range”...
- Page 18 ● Neutral - Line Connect the “PRIMARY” of the Connector Block to the Neutral of the power of RCD, and the “SECONDARY” of the Connector Block to the Line of the load of RCD. Fig. 7 DANGER This instrument is designed to measure the earth-to-line voltage 90 ~ 264V and the line-to-line voltage up to 440V (50/60Hz).
- Page 19 ● Line - Line Connect the “PRIMARY” of the Connector Block to L2 of the power of RCD, and the “SECONDARY” of the Connector Block to L1 of the load of RCD. Fig. 8 DANGER This instrument is designed to measure the earth-to-line voltage 90 ~ 264V and the line-to-line voltage up to 440V (50/60Hz).
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Page 20: Operating Time
● Earth - Line Connect the “PRIMARY” of the Connector Block to Earth, and the “SECONDARY” of the Connector Block to Line of the load of RCD. Connection using Earth Leakage currents may flow to RCD (A), which is installed in the power supply of the RCD (B) under test, when current flows to the EARTH;... -
Page 21: Battery Replacement
9. Battery Replacement DANGER ● Do not open the Battery Cover if the instrument is wet. ● Never replace the batteries during measurements. Set the Function switch to the OFF position and disconnect the test leads from the instrument, when replacing batteries, in order to prevent electrical shocks. -
Page 22: Strap Belt Assembly
10. Strap Belt Assembly Correct assembly is shown in Fig.12. By hanging the instrument round the neck, both hand let free for testing. Fig. 12 Pass the Strap belt down through Pass the Strap through the buckle, the side panel of the main body adjust the strap for length and from the top, and up through the secure. - Page 23 MEMO ̶ ̶...
- Page 24 DISTRIBUTOR 12-10 92-1900B Kyoritsu reserves the rights to change specifications or designs described in this manual without notice and without obligations.
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