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OVERVIEW 

31 

 Measurement Procedure (Power supply) 

 

NOTE 

•

 

Make sure the sum of the current consumption of 
the connected current probe(s) does not exceed the 
rated output current of the GCP-425P (See Fig.1) 
on page 25. 

•

 

When using the GCP-425P with Model GCP-530 or 
GCP-1030 Current Probe, in general only one 
current probe may be connected. However, 
depending on the current level of the object under 
test, two current probes may be connected 
simultaneously. 

•

 

The current consumption of a current probe is 
dependent upon the current level of the object 
under test. 

 

Содержание GDP-025 Series

Страница 1: ...DifferentialProbe GDP 025 050 100 Series USER MANUAL GW INSTEK PART NO 82DP 10000MA1 ISO 9001 CERTIFIED MANUFACTURER ...

Страница 2: ... without prior written consent of Good Will Corporation The information in this manual was correct at the time of printing However Good Will continues to improve its products and therefore reserves the right to change the specifications equipment and maintenance procedures at any time without notice Good Will Instrument Co Ltd No 7 1 Jhongsing Rd Tucheng Dist New Taipei City 236 Taiwan ...

Страница 3: ... Safety Symbols 4 Safety Guidelines 5 Power cord for the United Kingdom 8 GETTING STARTED 9 Main Features 9 Instrument Overview 11 GDP 025 11 GDP 050 GDP 100 11 MEASUREMENT 13 Operation 13 APENDIX 16 GDP Series Specifications 16 EC Declaration of Conformity 20 ...

Страница 4: ...the instrument in the best condition Safety Symbols These safety symbols may appear in this manual or on the instrument WARNING Warning Identifies conditions or practices that could result in injury or loss of life CAUTION Caution Identifies conditions or practices that could result in damage to the instrument or to other objects or property DANGER High Voltage Attention Refer to the Manual Protec...

Страница 5: ...id severe impact or rough handling that may damage the instrument Use only mating connectors not bare wires for the terminals The instrument should only be disassembled by a qualified technician Measurementcategories EN61010 1 2001specifies the measurement categories and their requirements as follows The GDP Series falls under categoryIII MeasurementcategoryIVis for measurementperformed at the sou...

Страница 6: ...n conductive pollution Note below Relative Humidity 10 to 85 Temperature 0 C to 50 C Pollution Degree EN61010 1 2001specifies pollution degrees and their requirements as follows The instrument falls underdegree 2 Pollution refers to addition of foreignmatter solid liquid or gaseous ionized gases thatmayproduce a reduction of dielectric strength or surface resistivity Pollution degree 1 No pollutio...

Страница 7: ...ified environment to keep the probe dry Reference environment Location Indoor Relative Humidity 70 Temperature 20 to 30 C Disposal Do not dispose this instrument as unsorted municipal waste Please use a separate collection facility or contact the supplier from which this instrument was purchased Please make sure discarded electrical waste is properly recycled to reduce environmental impact ...

Страница 8: ...connectedto the terminal which is markedwith the letter N or colouredBlue or Black The wire which is colouredBrown must be connected to the terminal markedwith the letter L or P or colouredBrown or Red If in doubt consult the instructions provided with the equipment or contact the supplier This cable appliance should be protected by a suitably ratedand approved HBC mains fuse refer to the rating i...

Страница 9: ...scilloscopes The differential probes convert high voltages 7000 peak for GDP 050 GDP 100 into low voltages 7V with ref to ground for display on oscilloscopes The GDP Series is designed to operate with the 1MΩ impedance oscilloscopes When combined with a 50Ω load the attenuation will be 2 times Accessories GDP 025 AC Adapter 110V or 220V depending on region BNC to BNC cable 50Ω resistance RG58C UL ...

Страница 10: ...x1 HV IC clip Max 6500V DC ACp p red x1 black x1 Alligator clip UL 1000VCATII 10A red x1 black x1 Accessories GDP 100 Adapter 110V or 220V depending on region BNC to BNC cable 50Ω resistance RG58C UL 100cm Banana plug to banana plug silicon wire UL 20kV 18AWG Length 60cm red x1 black x1 Test lead UL 1000V CATIII red x1 black x1 HV IC clip Max 6500V DC ACp p red x1 black x1 Alligator clip UL 1000VC...

Страница 11: ... GDP 025 Intput terminals Over range indicator Attenuation function switch Power indicator Power supply input Output GDP 050 GDP 100 Intput terminals Power indicator Attenuation function switch Over range indicator Power supply input Output ...

Страница 12: ...r Indicator The power indicator lights when the external power supply is connected Over range indicator The over range indicator lights when the input voltage exceeds rating Power supply input External power supply input 9V 200mA Output Differential probe output 6 5V into 1MΩ ...

Страница 13: ...ils Operation Connection 1 Connect the test leads to the GDP differential probe INPUT terminal Connect the low potential to the negative terminal Connect the high potential to the positive terminal 2 Connect the test lead to the EUT 3 Connect the probe to the oscilloscope using the BNC to BNC cable 3 1 2 Procedure 1 Adjust the vertical position on the oscilloscope 2 Adjust the attenuation ratio an...

Страница 14: ...al Deviation on the Oscilloscope in V div Real Division in V div X 1000 X 500 X 200 X 100 X 50 X 20 Model GDP 050 GDP 100 GDP 050 GDP 100 All GDP 050 GDP 100 GDP 025 GDP 025 1 1000 500 200 100 50 20 0 5 500 250 100 50 25 10 0 2 200 100 40 20 10 4 0 1 100 50 20 10 5 2 50m 50 25 10 5 2 5 1 20m 20 10 4 2 1 0 4 10m 10 5 2 1 5 0 2 5m 5 2 5 1 0 5 0 25 0 1 2m 2 1 0 4 0 2 0 1 40m Note The real vertical de...

Страница 15: ...ith the probe set to a factor of X200 the oscilloscope set to a vertical deviation of 0 5V div the real vertical deviation is 200 x 0 5 100V div With a 50Ω load on the input of the oscilloscope the deviation becomes 200 V div ...

Страница 16: ...tage between eachinput terminal and ground 600 Vrms Input Impedance Differential 4MΩ 1 2pF Between terminalsandground 2MΩ 2 3pF Output 7 0V Output Impedance 50Ω Rise Time 14ns for x50 andx200 23 4ns for x20 Rejection Rate on Common Mode 60Hz 80dB 100Hz 60dB 1MHz 50dB Power Supply External 9V DC power supply Consumption Max 35mA 0 4 Watt Environmental Operating Conditions Indoor Use only Temperatur...

Страница 17: ...APENDIX 17 Electrical Safety to IEC 1010 1 Dual Insulation Installation Category III Degree of Pollution 2 Rated Voltage or Max Line Earth 600Vrms ...

Страница 18: ...fferential 54MΩ 1 2pF Between terminalsandground 27MΩ 2 3pF Output 7 0V Output Impedance 50Ω Rise Time 7ns for x200 x500 and x1000 14ns for x100 Rejection Rate on Common Mode 60Hz 80dB 100Hz 60dB 1MHz 50dB Power Supply External 9V DC power supply Consumption Max 35mA 0 4 Watt Environmental Operating Conditions Indoor Use only Temperature Reference 20 C to 30 C Use 0 C to 50 C Storage 30 C to 70 C ...

Страница 19: ...al 54MΩ 1 2pF Between terminalsandground 27MΩ 2 3pF Output 7 0V Output Impedance 50Ω Rise Time 3 5ns for x200 x500 and x1000 7ns for x100 Rejection Rate on Common Mode 60Hz 80dB 100Hz 60dB 1MHz 50dB Power Supply External 9V DC power supply Consumption Max 35mA 0 4 Watt Environmental Operating Conditions Indoor Use only Temperature Reference 20 C to 30 C Use 0 C to 50 C Storage 30 C to 70 C Relativ...

Страница 20: ...arding the Electromagnetic Compatibility and Low Voltage EquipmentDirective the followingstandardswereapplied EMC EN 61326 1 Electrical equipment for measurement control and laboratory use EMC requirements 1997 A1 1998 A2 2003 Conducted andRadiatedEmissions EN 61326 1997 A1 1998 A2 2 003 Class B Electrostatic Discharge IEC 61000 4 2 1995 A1 1998 A2 2000 Current Harmonic EN 61000 3 2 2006 Radiated ...

Страница 21: ...Current Probe and Power Supply USER MANUAL GW INSTEK PART NO 82CP 425P0M01 ISO 9001 CERTIFIED MANUFACTURER ...

Страница 22: ...her language without prior written consent of Good Will Corporation The information in this manual was correct at the time of printing However Good Will continues to improve its products and therefore reserves the right to change the specifications equipment and maintenance procedures at any time without notice Good Will Instrument Co Ltd No 7 1 Jhongsing Rd Tucheng City Taipei County 236 Taiwan ...

Страница 23: ... for Measurement Current Probe 20 Demagnetizing and Zero Adjustment 22 Measurement Procedure Current Probe 24 Preparations Power supply 30 Measurement Procedure Power supply 31 APPENDIX 32 Fuse Replacement for GCP 206P only 32 Change the power supply voltage setting 34 Current Probe Specifications 35 Model specific specifications 35 Common specifications for GCP 530 and GCP 1030 36 Power Supply Sp...

Страница 24: ...TABLE OF CONTENTS 4 ...

Страница 25: ...he 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 particularly important information that the user should read before using the device Indicates that application around or removal from live lines is only permitted on condition that the lines are insulated Indicates a grounding terminal Indicates ...

Страница 26: ...o the user or damage to the device NOTE Indicates advisory items related to performance or correct operation of the device Measurement categories EN 61010 1 2001 specifies the measurement categories and their requirements as follows The device falls under category I Measurement category IV is for measurement performed at the source of a low voltage installation Measurement category III is for meas...

Страница 27: ...ing hazards never attach the GCP 530 or GCP 1030 to a circuit that operates at more than 300V or over bare conductors When conductors being measured carry in excess of the safe voltage level SELV E and not more than 300 V to prevent short circuits and electric shock while the core section is open make sure that conductors to be measured are insulated with material conforming to 1 Measurement Categ...

Страница 28: ...n construction Make sure that the waveform measuring equipment connected to this device s output terminal BNC is equipped with a protective earthing with double insulation construction If the waveform measuring instrument being connected to the output terminal BNC on this device is equipped with any other measurement terminals take the following precautions to ensure that the other instrument does...

Страница 29: ...10 031 IEC61010 2 032 Be sure to observe all operating precautions for the waveform monitoring instrument oscilloscope or recorder and other measurement instruments to which this device is connected When using a measurement instrument that does not provide isolation between its input terminals and chassis or other input terminals please pay attention to the following points If a signal is applied ...

Страница 30: ... transporting and handling Be especially careful to avoid physical shock from dropping This device should be installed and operated indoors only between 0 and 40 C 32 to 104 F and 80 RH or less Do not store or use the device where it could be exposed to direct sunlight high temperature or humidity or condensation Under such conditions the device may be damaged and insulation may deteriorate so tha...

Страница 31: ...ened 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 When the power is on keep the core section of the sensor closed except when clamping them onto the conductor to be measured The facing surface of the core section can be scratched while it is open Keep the clamp jaws and core slits free fr...

Страница 32: ...ear transformers and high current conductors or in the presence of strong electromagnetic fields such as near radio transmitters When sending the device for repair carefully to prevent damage in transit Include cushioning material so the instrument cannot move within the package Be sure to include details of the problem ...

Страница 33: ...nd by clamping on a conductor to be measured allows the current waveform to be easily captured Features Highly accurate current detection Easy current measurement Broadband frequency characteristics DC to 50 MHz for GCP 530 Broadband frequency characteristics DC to 100 MHz for GCP 1030 Compact and permits measurement of low current levels Easy protect function at excessive input ...

Страница 34: ...GCP Series User Manual 14 Names of Parts Current Probe External view ...

Страница 35: ...ays carry out demagnetizing before measurement The demagnetizing process takes about one second During demagnetizing a demagnetizing waveform is output Zero adjustment dial ZERO ADJ Use the zero adjustment dial to correct for the effect of a voltage offset or temperature drift on the device When beginning measurement after demagnetizing always carry out zero adjustment Coarse adjustment trimmer Us...

Страница 36: ...e is terminated internally Use a high impedance input to the measuring instrument With an input impedance of 50Ω accurate measurement is not possible If using BNC banana plug adapters or similar to connect to input terminals other than BNC connectors make sure the polarity is correct Turn the collar until it clicks and check that it is locked securely ...

Страница 37: ...OVERVIEW 17 Names of Parts Power supply Front view Power indicator Power supply receptacles Power indicator Power supply receptacles GCP 425P Rear View GCP 425P ...

Страница 38: ...GCP Series User Manual 18 Front view GCP 206P Rear View GCP 206P ...

Страница 39: ...OVERVIEW 19 Power Supply Receptacle ...

Страница 40: ...voltage of the power supply being used matches the supply voltage indicated on the rear panel of the GCP 206P or GCP 425P NOTE The output of this device is terminated internally Use a high impedance input to the measuring instrument With an input impedance of 50Ω accurate measurement is not possible 2 Turn the power switch off and connect the power cord 3 Connect the power plug of the GCP 530 or G...

Страница 41: ...OVERVIEW 21 4 Turn the GCP 206P or GCP 425P power switch ...

Страница 42: ...P 1030 to the input connector of the waveform measurement instrument Turn the collar until it clicks and check that it is locked securely CAUTION When disconnecting the output connector be sure to release the lock before pulling off the connector Forcibly pulling the connector without releasing the lock or pulling on the cable can damage the terminator If using BNC banana plug adapters or similar ...

Страница 43: ...emagnetized waveforms are generated when supplying electric power 4 Without clamping the conductor to be measured press the opening lever until the UNLOCK indication disappears and check that the sensor head is properly closed 5 Press the demagnetizing switch DEMAG on the terminator 6 Turn the zero adjustment dial on the terminator to adjust the trace to the zero position 7 If zero adjustment is n...

Страница 44: ...ver so that the sensor head opens 3 Align the sensor so that the current direction indication corresponds to the direction of current flow through the conductor to be measured and clamp so that the conductor is in the center of the sensor aperture 4 Press the opening lever on the sensor head until the UNLOCK indication disappears and check that the opening lever is firmly locked and the sensor hea...

Страница 45: ... 530 or GCP 1030 note that two current probes may not be used simultaneously with the GCP 425P POWER SUPPLY depending on the current to be measured The current consumption of current probes depends on the current to be measured Confirm that the total current consumption of the current probes do not exceed the rated output current of the GCP 425P See Fig 1 Fig 1 600 500 400 300 200 100 0 AC f 50Hz ...

Страница 46: ...ng operation Even if the input current does not exceed the rated continuous maximum continuous input for an extended period of time may result in activation of the safety circuit to prevent damage resulting from heating of the sensor At high ambient temperatures the built in safety circuit may activate at current input levels below the rated continuous maximum Continuous input of current exceeding...

Страница 47: ...m current electric currents in both sides will heat up the wires and raise the temperature thereby causing damage to the sensor When opening the sensor head of the probe be sure to operate with the opening lever If an upper core is forced to open when the sensor head is locked the open close mechanism can be damaged NOTE The output of this device is terminated internally Use a waveform measurement...

Страница 48: ...his does not indicate a malfunction Oscillation can be stopped and operation restored to normal by opening and closing the sensor head Depending on the measured current frequency however some sound may be produced by resonance it has no effect on measurement The measurement may be affected by the position within the clamp aperture of the conductor being measured The conductor should be in the cent...

Страница 49: ...ncy range of the waveform measuring instrument or clamp onto the low voltage side of the circuit as appropriate Accurate measurement may be impossible in locations subject to strong external magnetic fields such as transformers and high current conductors or in locations subject to strong external electric fields such as radio transmission equipment ...

Страница 50: ...ection to an improper supply voltage may damage the device and present an electrical hazard DANGER To avoid accidents when using other measurement devices with this one observe the usage precautions described for each device To avoid electric shock or damage when connecting the current probe to a measurement device that does not have its input terminals isolated from the chassis or to an device th...

Страница 51: ...f the GCP 425P See Fig 1 on page 25 When using the GCP 425P with Model GCP 530 or GCP 1030 Current Probe in general only one current probe may be connected However depending on the current level of the object under test two current probes may be connected simultaneously The current consumption of a current probe is dependent upon the current level of the object under test ...

Страница 52: ...are housed in the power input socket on the rear panel Fuse Replacement for GCP 206P only Procedure 1 Turn the power switch off and then disconnect the power cord 2 Using a flat screwdriver pry the catch which holds the fuse holder into the power input socket as shown in the figure and then remove the fuse holder ...

Страница 53: ...PPENDIX 33 3 Remove the fuse on the fuse holder and replace with a new one of the same rating and specification 4 Insert the fuse holder back into the power input socket to finish the replacement of fuse ...

Страница 54: ...page 32 2 Remove the voltage selector from the fuse holder rotate it to the desired supply voltage value and then insert back into the fuse holder The voltage vaule will appear in the voltage window Check the setting value again 3 Insert the fuse holder back into the power input socket to finish setting the supply voltage setting ...

Страница 55: ...dB Characteristics shown in Fig 2A DC to 100 MHz 3 dB Characteristics shown in Fig 2B Rise time 7 ns or less 3 5 ns or less Maximum rated power 5 6 VA 5 3 VA Weight Approx 230g 8 1oz Approx 240g 8 5oz Accessories Instruction manual Soft case Instruction manual Carrying case Fig 2A Frequency characteristics Typical characteristics Amplitude dB 0dB 1V Fig 2B Frequency characteristics Typical charact...

Страница 56: ...lent to 2 5 mArms or less for 20 MHz band measuring instrument Input Impedance Characteristics shown in Fig 4A and 4B Temperature Coefficient for Sensitivity 2 or less During input of 50 Hz 30 Arms within range of 0 to 40 C 32 to104 F Storage Temperature and Humidity Range 10 to 50 C 14 to 122 F 80 RH or less no condensation Location for Use Indoor altitude up to 2000 m 6562 feet Effect of Externa...

Страница 57: ...pprox 6 89 W 0 71 H 1 58 D excluding protrusions Terminator Approx 55 W 27 H 18 D mm Approx 2 17 H 1 06 W 0 71 D Fig 3 Derating according to frequency For GCP 530 30 20 10 0 10 100 1k 10k 100k 1M 10M 100M Frequency Hz Fig 3 Derating according to frequency For GCP 1030 ...

Страница 58: ...GCP Series User Manual 38 Fig 4 Input impedance For GCP 530 Frequency Hz Inpu t inpedance Ω 1m 10m 100m 1 10 100 1k 10k 100k 1M 10M 100M Fig 4 Input impedance For GC P 1030 ...

Страница 59: ... to 600 mA Maximum rated power 170 VA 20 VA Dimensions Approx 80W 119H 200D mm 3 15 W 4 69 H 7 87 D Approx 73W x 110H x 186D mm 2 87 W x 4 33 H x 7 32 D Weight Approx 1 2 kg 42 3 oz Approx 1 1 kg 38 8 oz Accessories Instruction Manual Power cord Power cord Instruction manual Spare fuse F1 0 AL 250 V 20 mm x 5 mm dia for 100 V and 120 V models or F0 5 AL 250 V 20 mm x 5 mm dia for 220 V and 240 V m...

Страница 60: ...emperature influence Within output voltage limits indicated above for ambient temperature in the range 0 to 40 C 32 to 104 F Operating tempera ture and humidity range 0 to 40 C 32 to 104 F 80 RH or less no condensation Storage temperature and humidity range 10 to 50 C 14 to 122 F 80 RH or less no condensation Location for use Standards applying Indoor altitude up to 2000 m 6562 feet ...

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