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User’s
Manual

保証書付

CW10

クランプ電力チェッカ

Clamp-on Power Meter

IM CW10-JA: Japanese
IM CW10-EN: English

5th Edition: April 2015 (YMI) 

この取扱説明書は、いつでも使用できるよう 

大切に保管してください。

Store this manual in an easily

 

accessible place  

for quick reference.

Summary of Contents for CW10

Page 1: ...User s Manual CW10 Clamp on Power Meter IM CW10 JA Japanese IM CW10 EN English 5th Edition April 2015 YMI Store this manual in an easily accessible place for quick reference...

Page 2: ...is operator must never attempt to touch equipment or parts marked with this symbol This symbol indicates double insulation or reinforced insulation This symbol indicates direct current DC This symbol...

Page 3: ...ty When you attach or remove the test leads or remove the case for example to charge the battery be sure to remove the test leads from the circuit under measurement When you remove the case for exampl...

Page 4: ...e balanced unbalanced 16 8 10 3 3 phase 4 wire balanced unbalanced 16 8 10 4 Phase Rotation 17 8 11 Mesuring Resistance 19 8 11 1 Resistance 19 8 11 2 Continuity Check 20 8 11 3 Diode Test 20 8 12 HOL...

Page 5: ...st leads With Caps 1000V 10A CAT III 600V 10A CAT IV Without Caps 1000V 10A CAT II Measurement Category Description Remarks O None Other Other circuits that are not directly connect to MAINS Circuits...

Page 6: ...2 When the jaws are open the light will illuminate 3 In case voltage is detected by the jaw the red LED lights up 4 Prevents contact with the wires 5 Retains the measured data or DCA ZERO Zero adjustm...

Page 7: ...e power When the function is not use cancellation Turn off the power Hold down Downward of cursor key turn the function switch to any position The APO display goes off If the instrument is used with t...

Page 8: ...Test leads 7 2 Measuring Current Do not apply more than 600 ADC or 600 Arms 848 5 Apk When you measure the current be sure to remove the test leads from the instrument Squeeze the open close lever to...

Page 9: ...and then press the ENTER key to confirm Upper DC indication is fixed and AUTO AUTO RANGE is displayed To return AUTO SENSE press the ENTER key for more than 2 seconds 8 2 RANGE To select manual range...

Page 10: ...e the cursor key to select Peak Hold and then press the ENTER key to confirm Press the ENTER key to switch between PEAK MAX polarity and PEAK MIN polarity To cancel Peak Hold press the ENTER key for m...

Page 11: ...Peak Hold Press the ENTER key for more than 2 seconds to select PEAK MAX Press the ENTER key to switch between PEAK MAX polarity and PEAK MIN polarity To cancel Peak Hold press the ENTER key for more...

Page 12: ...ENTER key to confirm INRUSH Waiting state after trigger the Inrush current value RMS for 100m seconds measurement period is displayed Press the ENTER key once to return ACA mode Press the ENTER key o...

Page 13: ...y Hz AC mode only 1 Turn the function switch to the voltage or current position 2 Using the ENTER key to confirm AC mode 3 Using the cursor key to select Hz and then press the ENTER key to confirm The...

Page 14: ...is appeared To cancel the function press the HOLD key again 8 8 Harmonic Measurement AC mode only 8 8 1 THD Measurement Harmonic measurements fundamental wave to 25th harmonics can be displayed In ACV...

Page 15: ...he ENTER key for more than 2 seconds Hn nth order harmonic voltage current rms value fundamental wave voltage current rms value 100 RIGHTWARD LEFTWARD DOWNWARD UPWARD LEFTWARD RIGHTWARD DOWNWARD UPWAR...

Page 16: ...ower factor Use the cursor key to select PF and then press the ENTER key to confirm ENTER PF W 600V Line N 600A No 1 W1 Power source Load NOTE The symbol on the jaw must face on the power source side...

Page 17: ...e ENTER key to confirm Active power W W1 W2 sum total Black Red Black Red W W1 W2 3P3W Y star connection Delta connection 3 2 1 No 1 W1 No 2 W2 8 10 3 3 phase 4 wire balanced unbalanced To use three t...

Page 18: ...Turn the function switch to the Active power position 2 Use the cursor key to select RST and then press the ENTER key to confirm 3 Connect the red test lead to the phase Line1and the black test lead...

Page 19: ...the following testing result is displayed Indication testing result Explanation 123 Forward sequence The phase Line1 is ahead of Line2 321 Reversed sequence The phase Line2 is ahead of Line1 It is not...

Page 20: ...V 1 8 V Manual setting When you do not use the AUTO SENSE 8 11 1 Resistance 1 Turn the function switch to the Resistance position 2 Plug the test leads to terminals 3 Use the cursor key to select Res...

Page 21: ...HOLD key right side to hold the measured value To cancel press the HOLD key again Press Hold key NOTE On ACA mode Press the HOLD key for more than 2 seconds for zero adjust See also Section 8 5 DCA Z...

Page 22: ...to power off Leftward of Cursor key Disable cancel Backlight HOLD key ZERO Display all LCD symbols approx 10 sec 9 Battery State display and Battery Replacement 9 1 Battery State display A decrease in...

Page 23: ...nput terminals AC 6880 Vrms 5 seconds between the voltage input terminals and the case Insulation resistance 100 M or greater at 1000 VDC between the core and the case the core and the voltage input t...

Page 24: ...g to accuracy Maximum input voltage 690 Vrms CF 2 460Vrms CF 3 2 Current Rms value detection Function Range Resolution Maximum reading Accuracy DCA 100 A 99 99 A 1 5 20 600 A 600 0 A 1 5 5 ACA 100 A 9...

Page 25: ...V range 100 to 1000 Vrms 100 A range 10 to 100 Arms 400 Hz 600 A range 100 to 600 Arms 400 Hz The measured value approx 10 Hz 0 00Hz 5 Harmonic Measurement Indiviual Harmonic Harmonic order Resolution...

Page 26: ...e 50 f 60Hz PF 1 00 DCW at DCV 10 V and DCA 5 A after DCA zero adjustment 8 Power Factor Function Resolution Measuring reading Accuracy Power factor 1 00 to 0 00 to 1 00 3 2 digits Maximum input volta...

Page 27: ...wa Europe B V office Do not dispose in domestic household waste 12 2 How to Replace and Dispose the Batteries EU Battery Directive This directive is valid only in the EU Batteries are included in this...

Page 28: ...7 12 4 For the Pollution Control of Electronic and Electrical Products of the People s Republic of China They are applicable only in China Pb Hg Cd Cr VI PBB PBDE ASSY GB T 26572 GB T 26572 SJ T 11364...

Page 29: ...should any errors or omissions come to the attention of the user please contact Yokogawa The contents of this manual is subject to change without prior notice because of improvement in performance or...

Page 30: ...Class B and meets the electromagnetic compatibility requirements Registration No KCC REM IMY EEN301 Equipment Name Clamp on Power Meter Trade Name Yokogawa Meters Instruments Corporation Manufacturer...

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