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__________________________________________________

Chapter 2 Measurement Procedure

_____________________________________________

1. Close the clamp jaws when

the clamp jaws are opened.

2. Make sure that the unit's

power switch is OFF.

3. Connect the clamp-on CT

connector to the unit.

4. Turning the power on the unit.

5. Press the DMAG switch to

magnetize.
(See 2.2 Demagnetizing
(DMAG))

6. Pull the sensor slider, so that

the clamp opens.

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Содержание 9277

Страница 1: ...CT 9278 200X XX X XXXXA98X XX XX X 2009 1 8 January 2009 Revised edition 8 9277A981 08 09 01H Instruction Manual UNIVERSAL CLAMP ON CT 9277...

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Страница 3: ...1 1 1 2 5 1 7 1 1 7 1 2 8 2 9 2 1 9 2 2 12 3 13 4 17 4 1 17 4 2 17...

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Страница 5: ...1 __________________________________________________ _____________________________________________ HIOKI 9277 9278 CT...

Страница 6: ...2 __________________________________________________ _____________________________________________ IEC 61010 DC AC...

Страница 7: ...3 __________________________________________________ _____________________________________________ CAT I CAT II CAT III CAT IV CATII 600V CATIII 300V IEC61010 CAT CAT CAT CAT CAT CAT IEC60664...

Страница 8: ...4 __________________________________________________ _____________________________________________ f s rdg f s rdg...

Страница 9: ...5 __________________________________________________ _____________________________________________ CT AC600 V CATII AC300 V CATIII CT 2 2 1...

Страница 10: ...6 __________________________________________________ _____________________________________________ 0 40 3...

Страница 11: ...7 __________________________________________________ 1 _____________________________________________ 1 1 1 20 A 9277 200 A 9278 AC DC...

Страница 12: ...8 __________________________________________________ 1 _____________________________________________ LOCK UNLOCK 1 2...

Страница 13: ...9 __________________________________________________ 2 _____________________________________________ 3 10 10 20 cm 2 2 1...

Страница 14: ...10 __________________________________________________ 2 _____________________________________________ 1 2 OFF 3 CT 4 ON 5 DMAG 2 2 6 7...

Страница 15: ...11 __________________________________________________ 2 _____________________________________________ 2 3 8 LOCK...

Страница 16: ...12 __________________________________________________ 2 _____________________________________________ DMAG DMAG 3 DMAG DMAG DMAG DMAG DMAG 2 2 DMAG...

Страница 17: ...V 20 A 2 V 200 A DC 3kHz 50 Arms 75 Apeak 350 Arms 500 Apeak DC 0 05 m 0 002 m 50 23 3 DC 45 66 Hz 30 0 5 rdg 0 05 f s 0 2 DC 1 DC 1 kHz 1 0 1 k 50 kHz 2 5 50 k 100 kHz 5 0 DC 1 kHz 0 5 1 k 50 kHz 2...

Страница 18: ..._____________ 3 _____________________________________________ 9277 9278 600 V CAT II 300 V CATIII 20 mm 2 000 m 12 V 15 V 12 V 150 mA 250 mA Max 3 6 W Max 7 2 W 176 W 69 H 27 D mm 470 g 3 m 9375 1 1 6...

Страница 19: ..._______________________________________ 3 _____________________________________________ GND ID3 ID1 ID2 GND 12 V 15 V 0 5 A 12 V 15 V 0 5 A Vout 2 V f s GND 9277 9278 ID1 GND GND ID2 N C GND 0 5 A GND...

Страница 20: ...16 __________________________________________________ 3 _____________________________________________ 9277 9278...

Страница 21: ...17 __________________________________________________ 4 _____________________________________________ 4 4 1 4 2 TEL 0268 28 0823 FAX 0268 28 0824...

Страница 22: ...18 __________________________________________________ 4 _____________________________________________...

Страница 23: ...9277 9278 This warranty is valid only in Japan 06 03 386 1192 TEL 0268 28 0555 FAX 0268 28 0559...

Страница 24: ......

Страница 25: ...9277 9278 UNIVERSAL CLAMP ON CT INSTRUCTION MANUAL...

Страница 26: ......

Страница 27: ...2 Notes on Use 6 Chapter 1 Overview 9 1 1 Product Overview 9 1 2 Names of Parts 10 Chapter 2 Measurement Procedure 11 2 1 Measurement Procedure 11 2 2 Demagnetizing DMAG 15 Chapter 3 Specification 17...

Страница 28: ......

Страница 29: ...g In particular check the accessories If damage is evident or if it fails to operate according to the specifications contact your dealer or Hioki representative Before using the product the first time...

Страница 30: ...nted on the product indicates that the user should refer to a corresponding topic in the manual marked with the symbol before using the relevant function In the manual the symbol indicates particularl...

Страница 31: ...ser WARNING Indicates that incorrect operation presents a significant hazard that could result in serious injury or death to the user CAUTION Indicates that incorrect operation presents a possibility...

Страница 32: ...device distribution panel Measurement categories Overvoltage categories This product complies with CATII 600V CATIII 300V safety requirements To ensure safe operation of measurement products IEC 6101...

Страница 33: ...ale This is usually the maximum value of the currently selected range rdg reading or displayed value The value currently being measured and indicated on the measuring instrument The measurement catego...

Страница 34: ...or 300 VAC CATIII or over bare conductors UNIVERSAL CLAMP ON CT should only be connected to the secondary side of a breaker so the breaker can prevent an accident if a short circuit occurs Connection...

Страница 35: ...urrent exceeding the selected measurement range is applied for a long time Do not store or use the product where it could be exposed to direct sunlight high temperature or humidity or condensation Und...

Страница 36: ...not bend or pull the cables This product is designed for indoor use and operates reliably from 0 to 40 When measuring the high frequency large current over heating of the core may occur Note that the...

Страница 37: ...amp sensor corresponding to AC DC current The 9277 9278 makes it possible to measure AC DC current in live power lines without cutting into the lines The sensor features good frequency response amplit...

Страница 38: ...__________________ Chapter 1 Overview _____________________________________________ Current direction indication Lever Slider Clamp Cable Sensor LOCK indication UNLOCK indication Output connector Barr...

Страница 39: ...sensor never connect or disconnect a sensor while the power is on The maximum continuous input range is based on heat that is internally generated during measurement Never input current in excess of...

Страница 40: ...sed to increase the relative sensitivity 10 windings multiplies the measured current by about a factor of 10 However in this case the diameter of the winding should be 20 cm or more and radial This pr...

Страница 41: ...__________________ 1 Close the clamp jaws when the clamp jaws are opened 2 Make sure that the unit s power switch is OFF 3 Connect the clamp on CT connector to the unit 4 Turning the power on the unit...

Страница 42: ...s in the core Single phase 2 wire and three phase 3 wire lines clamped together will not produce reading 7 Align the sensor so that the current direction indication corresponds to the direction of cur...

Страница 43: ...face of the core is subjected to shock offset maybe output In this case press the DMAG switch with no input on the clamp When measuring DC current and applying exceed continuous the maximum permissibl...

Страница 44: ...16 __________________________________________________ Chapter 2 Measurement Procedure _____________________________________________...

Страница 45: ...er degaussing Amplitude 0 5 rdg 0 05 f s Phase within 0 2 DC has no provision 1 year Amplitude frequency characteristic deviation from accuracy DC to 1 kHz within 1 0 1 k to 50 kHz within 2 5 50 k to...

Страница 46: ...nt Indoor Height 2000 m 6562 feet ASL Diameter of measurable conductors 20 mm 0 79 or less Supply voltage 12 V to 15 V with accuracy guaranty but tracking Power supply capacity 150 mA with rated input...

Страница 47: ...nal ID2 9 Shield cable 10 GND 12 V to 15 V 12 V to 15 V Vout 2 Vf s rated input GND Output connector pin array 9277 9278 ID1 Connect to GND Connect to GND ID2 N C Connect to GND CAUTION Be careful to...

Страница 48: ..._______________ Chapter 3 Specification _____________________________________________ Frequency Input current 9277 The maximum permissible input range continuous Frequency Input current 9278 The maxim...

Страница 49: ...istened with water or mild detergent Never use solvents such as benzene alcohol acetone ether ketones thinners or gasoline as they can deform and discolor the case If the instrument seems to be malfun...

Страница 50: ...22 __________________________________________________ Chapter 4 Maintenance and Service _____________________________________________...

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