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Summary of Contents for KYORITSU KEW 2413R
- Page 1 INSTRUCTION MANUAL DIGITAL CLAMP METER KEW SNAP Series KEW 2413R KYORITSU ELECTRICAL INSTRUMENTS WORKS， LTD.
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Page 2: Table Of Contents
Contents １．Safety Warnings ………………………………………………………１ ２．Features ………………………………………………………………４ ３．Specifications …………………………………………………………５ ４．Instrument Layout ……………………………………………………９ ５．Operation ５-１ Preparation ……………………………………………………11 ５-２ AC Current Measurement ……………………………………11 ５-３ How to Use Peak Hold Function ……………………………14 ５-４ How to Use The Frequency Selector Switch ………………16 ５-５ How to Use Data Hold Function ………………………………17 ５-６ How to use Back Light …………………………………………17 ５-７ Analogue Output How to Use Model 7073 Output Cord ……18 ６．Battery Replacement …………………………………………………19... -
Page 3: １．Safety Warnings
● Understand and follow all the safety instructions contained in the manual. Failure to follow the 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 instrument in contradiction to this cautionary note. - Page 4 ● Do not install substitute parts or make any modification to the instrument. Return the instrument to Kyoritsu or your distributor for repair or re-calibration. ● Do not try to replace the battery if the surface of the instrument is wet.
- Page 5 CAUTION ● Do not expose the instrument to the direct sun, extreme temperatures or dew fall. ● Be sure to set the function selector switch to the “OFF” position after use. When the instrument will not be use for a long period of time, place it in storage after removing the battery.
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Page 6: ２．Features
２．Features KEW 2413R is a unique digital clamp meter for both very low current and high current measurements. Its shielded transformers jaws minimizes the effect of external stray magnetic field, enabling leakage current measurements. ● Measures from 0.1mA to 1000A AC and provides frequency response higher than 1kHz on all measuring ranges. -
Page 7: ３．Specifications
３．Specifications Measuring Ranges and Accuracy ● AC Current Accuracy Time Limit for Ranges Frequency Range Response Measurements WIDE 50/60Hz * Add 2% at CF ≧ 2 * only sine wave 0〜199.9mA 200mＡ CF≦3.0 0〜1.999A ±1.8％rdg±5dgt (50／60Hz) 2Ａ CF≦3.0 ±3.0％rdg±5dgt (40〜1kHz) 0〜19.99A 20Ａ... - Page 8 — 6 —...
- Page 9 Analogue Output (Output impedance: Approx. 1k Ω ) ● AC Output Range AC Output Voltage Accuracy Measuring Range 200mA 0〜200mA ±2.0％rdg±0.5mV 0〜2A 0〜200mV 0〜20A 200A 0〜200A ±2.5％rdg±0.5mV 0〜500A 0〜50mV ±3.0％rdg±0.5mV 1000A 501A〜1000A 50〜100mV ±5.0％rdg±0.5mV *Voltage proportional to the current under test is output with “WIDE”...
- Page 10 Operating System ：Dual Integration Display ： Field effect 3 ・ 1/2 digit liquid crystal display with maximum count of 1999 Range selection ：Manual Overrange Indication ： “1” is displayed on the highest digit except for 1000A AC range. Response Time ：Approx.
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Page 11: ４．Instrument Layout
４．Instrument Layout ⑦ ⑩ ① ② ⑥ ⑤ ⑪ ⑧ ⑨ ④ over range indication ③ Fig.2 ① LCD Field effect liquid crystal display with maximum indication of 1999. Function symbol(mA, A) and decimal point automatically appear as the function / range switch is turned. — 9 —... - Page 12 “ ” is displayed on the lower right side for low battery warning and “1” is displayed only at the highest digit for overrange indication. ② Data Hold Button Allows for easy reading in dimly lit or hard-to-reach-locations. The display can be observed away from the conductor after pushing in the button.
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Page 13: ５．Operation
５．Operation ５- １ Preparation (1) To Check battery set the function/range switch ⑤ To the desired position. If the display is clear without symbol “ ” showing, battery voltage is sufficient. If the display blanks or “ ” is indicated, replace the battery in accordance with the battery replacement procedures as described in section 6. - Page 14 CAUTION ● Transformers jaws , especially their tips, have been precisely adjusted to obtain maximum accuracy. Take sufficient care to avoid shock, vibration or excessive force when handing the instrument. ● When a foreign substance is stick in the jaw tips or they cannot properly engage, the transformer jaws do not fully close.
- Page 15 Fig.3 Normal AC Current F ig.4 Earth Leakage Current Measurements Measurements 3-phase 3-wire system. Single-Phase 2-wire system (in 3-wire system with neutral (in 4-wire system with neutral clamp onto all 4 wire) clamp onto all 3 wire) Fig.5 Measurements out of balance Leakage Note：...
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Page 16: How To Use Peak Hold Function
(3) Slide the peak hold switch back to the OFF position for a reset. Note 1： KEW 2413R uses an analogue peak hold circuit to ensure a quick response to input current. Because of the nature of this circuit, the peak hold reading may gradually fall or, in a rare case, rise with time. - Page 17 Note 2： If it is necessary to read the display away from the conductor in a peak hold measurement, press the data hold switch ② first and then remove the instrument from the conductor. Otherwise, the peak hold reading may be higher than the actual value due to the electrical noise caused by the opening and closing of the transformer jaws.
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Page 18: How To Use The Frequency Selector Switch
Peak hold function, but this is not a malfunction. ５- ４ How to Use The Frequency Selector Switch KEW 2413R has a very good frequency response because of the electromagnetic property of its transformers jaws. Therefore, it measured, AC current not only of fundamental frequency of 50Hz or 60Hz, but of high frequencies and harmonics superimposed on the fundamental frequency. -
Page 19: How To Use Data Hold Function
Note： Selection with the frequency selector switch dose not apply to AC output of the two-way analogue output. DC output of the two-way analogue output reflects the frequency selector switch setting. Refer to Figure. 1 for frequency characteristics. ５- ５ How to Use Data Hold Function Push in the Data Hold button to freeze the reading. -
Page 20: Analogue Output How To Use Model 7073 Output Cord
See Figure 8. With the 2413R in the peak hold mode, DC voltage corresponding to 1/ √ 2 of a peak current value can be held and output. Refer to section 5-3, How to Use Peak Hold Function. KEW 2413R — 18 —... -
Page 21: ６．Battery Replacement
６．Battery Replacement ”symbol appears on the LCD. Replace the battery when“ (1) Set the function/range switch to the OFF position. (2) Unscrew and remove the battery compartment cover from the rear of the case. (3) Install a new 9V battery of type 6F22 or equivalent observing correct polarity. -
Page 22: ７．Cleaning
７．Cleaning Use a damp cloth detergent for cleaning the body of the instrument. To avoid possible deforming or discoloring, do not use solutions containing solvent. CAUTION ● Never use paint thinner, benzene or other solutions containing solvent for cleaning the instrument. Otherwise, deforming or discoloring of the instrument body may result. -
Page 23: ８．Before Sending For Repair
８．Before Sending for Repair Use the following troubleshooting guide for hints on problems with instrument operation. Condition Possible Cause Remedy Display blanks after power- B a t t e r y i s i m p r o p e r l y Install the battery correctly. - Page 24 DISTRIBUTOR Kyoritsu reserves the rights to change specifications or designs described in this manual without notice and without obligations. 6-22 92-1870B...
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