Differential Probe
Contents
1. 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 deviation in V div is equal to the attenuation factor multiplied by the range of the vertical deviation selected on the oscilloscope The real vertical deviation will be doubled if a 50Q load is used 14 GY INSTEK MEASUREMENT Example With 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 500 load on the input of the oscilloscope the deviation becomes 200 V div 15 GY INSTEK GDP Series User Manual Apen DIX GDP Series Specifications GDP 025 Bandwidth DC 25MHz 3dB for x50 x200 DC 50MHz for attenuation x20 Attenuation x20 x50 x200 Accuracy 2 Voltage Input lt 140Vp p for x20 45Vrms Range DC AC lt 350Vp p for x50 110Vrms peak to peak lt 1400Vp p for x100 450Vrms Permitted Max Max differential voltage 1400 V DC AC Input Voltage peak to peak or 450 Vrms Max voltage between each input terminal and ground 600 Vrms Input Impedance Differential 4MQ 1 2pF Between terminals and ground 2MQ 2 3pF Output lt 6 5V Output 500 Impedance Rise Time 14ns for x50 and x200 23 4ns for x20 Rejection Rate on 60Hz gt 80dB 100Hz gt 60dB 1M Hz Common Mode gt 50dB Power Supply External 9V DC power supply Consumption 200mA max Environmental Indoor Use only Operating Temperature Reference 20 C to Conditio2. wiring from a cable plug or connection that is engaged ina live socket is extremely hazardous If a cable or plug is deemed hazardous turn off the mains power and remove the cable any fuses and fuse assemblies All hazardous wiring must be immediately destroyed and replaced in accordance to the above standard GY INSTEK GETTING STARTED G ETTING STARTED The Getting Started chapter introduces the probe s features appearance and functions Main Features Model name Bandwidth Max differential voltage GDP 025 25MHz 450Vrms GDP 050 SOMHz 6500Vrms GDP 100 100MHz 6500Vrms Features e The GDP Series differential probes provide a safe means to measure differential voltages for all models of oscilloscopes e The differential probes convert high voltages 7000 peak for GDP 050 GDP 100 into low voltages lt 7V with ref to ground for display on oscilloscopes e The GDP Series is designed to operate with the 1MQ impedance oscilloscopes When combined with a 50Q load the attenuation will be 2 times Accessories e AC Adapter 110V or 220V depending on GDP 025 region e BNC to BNC cable 500 resistance RG58C UL 100cm e Banana plug to banana plug silicon wire UL 6kV 18AWG Length 60cm red x1 black x1 e ICclip UL 1000V CAT III red x1 black x1 e Alligator clip UL 1000V CATII 10A red x1 GY INSTEK GDP Series User Manual black x1 Accessories e Adapter 110V or 220V depending on region GDP 050 e BNC to B
3. Differential Probe GDP 025 050 100 Series USER MANUAL GW INSTEK PART NO 82DP 10000MA1 E ISO 9001 CERTIFIED MANUFACTURER GU INSTEK This manual contains proprietary information which is protected by copyright All rights are reserved No part of this manual may be photocopied reproduced or translated to another 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 Dist New Taipei City 236 Taiwan GY INSTEK TABLE OF CONTENTS Table of Contents SAFETY INSTRUCTIONS tt 4 Safety SY MID OS inadatta 4 Safety Guidelines c cccssccsscssssccsessssessnssessessnsceseessnseeenss 5 Power cord for the United Kingdom 8 GETTING STARTED scaricano 9 M Ai F ed TUES cei 9 Instrument OVerVIEW aaa GEN GE ACO OE ATC 11 CDP 11 G P 050 GDP TOO orta 11 MEASUREMENT cscscscscscscecsccscscscseees 13 SAO Raro 13 PAP EIN DA A doco i E OO a 16 GDP Series SpECIICALIO Sr AA OE SAY AZ 16 EC Declaration of CORTO 20 GY INSTEK GDP Series User Manual SAFETY INSTRUCTIONS This chapter contains important safety instructions that should be followed when operating and storing
4. Humidity Reference lt 70 Use 10 to 85 10 to 90 Storage 10 to 90 240mm x 80mm x 30mm 280g Dual Insulation Installation Category III Degree of Pollution 2 Rated Voltage or Max Line Earth 6500Vrms GU INSTEK APENDIX GDP 100 Bandwidth DC 100MHz 3dB for x200 x500 x1000 DC 50MHz for attenuation x100 Attenuation X100 x200 x500 x1000 Accuracy 2 Voltage Input lt 700Vp p for x100 230Vrms Range DC AC lt 1400Vp p for x200 460Vrms peak to peak lt 3500Vp p for x500 1140Vrms lt 7000Vp p for x1000 2300Vrms Permitted Max Max differential voltage 7000 V DC AC Input Voltage peak to peak Max voltage between each input terminal and ground 6500 Vrms Input Impedance Differential 54MQ 1 2pF Between terminals and ground 27MQ 2 3pF Output lt 7 0V Output 500 Impedance Rise Time 3 5ns for x200 x500 and x1000 7ns for x100 Rejection Rate on 60Hz gt 80dB 100Hz gt 60dB 1MHz Common Mode gt 50dB Power Supply External 9V DC power supply Consumption 200mA max Environmental Indoor Use only Operating Temperature Reference 20 C to Conditions 30 C Use 0 C to 50 C Storage 30 C to 70 C Relative Humidity Reference lt 70 Use 10 to 85 10 to 90 Storage 10 to 90 Dimensions and 240mm x 80mm x 30mm 280g Weight Electrical Safety to Dual Insulation IEC 1010 1 Installation Category III Degree of Pollution 2 Rated Voltage or Max Line Earth 6500V
5. NC cable 500 resistance RG58C UL 100cm e Banana plug to banana plug silicon wire UL 20kV 18AWG Length 60cm red x1 black x1 HV IC clip Max 6500V DC ACp p red x1 black x1 e Alligator clip UL 1000V CATII 10A red x1 black x1 Accessories e Adapter 110V or 220V depending on region GDP 100 e BNC to BNC cable 500 resistance RG58C UL 100cm e 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 e Alligator clip UL 1000V CATII 10A red x1 black x1 10 GU INSTEK GETTING STARTED Instrument Overview GDP 025 Attenuation Power supply Ui e mana function switch input Over range indicator Power indicator Output GDP 050 GDP 100 Attenuation Power supply a i function switch input Over range Power indicator iu Output indicator 11 GY INSTEK GDP Series User Manual Input terminals Category III input terminals Power Indicator The power indicator lights when the external power supply is connected Over range The over range indicator lights when the input indicator voltage exceeds rating Power supply External power supply input 9V 200mA input Output Differential probe output lt 7V into IMO 12 GY INSTEK MEASUREMENT M EASUREMENT AN Risk of electric shock The GDP Series differential voltage probes are de
6. NSTEK GDP Series User Manual Power cord for the United Kingdom When using the instrument in the United Kingdom make sure the power cord meets the following safety instructions NOTE This lead appliance must only be wired by competent persons WARNING THIS APPLIANCE MUST BE EARTHED IMPORTANT The wires in this lead are coloured in accordance with the following code Green Yellow Earth Blue Neutral Brown Live Phase As the colours of the wires in main leads may not correspond with the coloured marking identified in your plug appliance proceed as follows The wire which is coloured Green amp Yellow must be connected to the Earth terminal marked with either the letter E the earth symbol or coloured Green Green amp Yellow The wire which is coloured Blue must be connected to the terminal which is marked with the letter N or coloured Blue or Black The wire which is coloured Brown must be connected to the terminal marked with the letter L or P or coloured Brown 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 rated and approved HBC mains fuse refer to the rating information on the equipment and or user instructions for details As a guide a cable of 0 75mm2 should be protected by a 3A or 5A fuse Larger conductors would normally require 13A types depending on the connection method used Any exposed
7. a differential probe Read the following before any operation to ensure your safety and to keep the instrument in the best condition Safety Symbols These safety symbols may appear in this manual or on the instrument AN Warning Identifies conditions or practices that WARNING could result in injury or loss of life A Caution Identifies conditions or practices that CAUTION could result in damage to the instrument or to other objects or property DANGER High Voltage Attention Refer to the Manual Protective Conductor Terminal Earth Ground Terminal gt e R GY INSTEK SAFETY INSTRUCTIONS R Do not dispose electronic equipment as unsorted municipal waste Please use a separate collection facility or contact the supplier from which this instrument was purchased Safety Guidelines General e Do not use the probes in a damp environment or Guideline where there is risk of explosion e Do not use the probe with the case open CAUTION e Disconnect the inputs and outputs of the probe before opening the case e The probes are for indoor use only e Do not place heavy objects on the instrument e Avoid severe impact or rough handling that may damage the instrument e Use only mating connectors not bare wires for the terminals e The instrument should only be disassembled by a qualified technician Measurement categories EN 61010 1 2001 specifies the measurement categories and their requir
8. ements as follows The GDP Series falls under category III e Measurement category IV is for measurement performed at the source of a low voltage installation e Measurement category III is for measurement performed in a building installation e Measurement category Il is for measurement performed on circuits directly connected to a low voltage installation e Measurement category is for measurements performed on circuits not directly connected to Mains GY INSTEK GDP Series User Manual Electrical Safety Make sure the maximum differential voltage A does not exceed 1400V DC AC peak or 450 WARNING Vrms for the GDP 025 or 7000V DC AC peak or 2200 Vrms for the GDP 050 GDP 100 e Make sure the maximum voltage between each input terminal and ground does not exceed 600 Vrms for the GDP 025 or 6500 Vrms for the GDP 050 GDP 100 Cleaning the e The probes do not require any particular instrument cleaning e A soft cloth dampened in a solution of mild detergent and water can be used to clean the case e Do not spray any liquid into the instrument e Do not use chemicals containing harsh products such as benzene toluene xylene and acetone Operation e Location Indoor no direct sunlight dust free Environment almost non conductive pollution Note below e Relative Humidity 10 to 85 e Temperature 0 C to 50 C Pollution Degree EN 61010 1 2001 specifies pollution degrees and their requirements as follows The i
9. ns 30 C Use 0 C to 50 C Storage 30 C to 70 C Relative Humidity Reference lt 70 Use 10 to 85 10 to 90 Storage 10 to 90 Dimensions and 195mmx 55mm x 30mm 250g Weight 16 GU INSTEK APENDIX Electrical Safety to Dual Insulation IEC 1010 1 Installation Category III Degree of Pollution 2 Rated Voltage or Max Line Earth 600Vrms 17 GU INSTEK GDP 050 18 Bandwidth Attenuation Accuracy Voltage Input Range DC AC peak to peak Permitted Max Input Voltage Input Impedance Output Output Impedance Rise Time Rejection Rate on Common Mode Power Supply Consumption Environmental Operating Conditions Dimensions and Weight Electrical Safety to IEC 1010 1 GDP Series User Manual DC 50MHz 3dB for x200 x500 x1000 DC 25MHz for attenuation x100 X100 x200 x500 x1000 E2 lt 700Vp p for x100 230Vrms lt 1400Vp p for x200 460Vrms lt 3500Vp p for x500 1140Vrms lt 7000Vp p for x1000 2300Vrms Max differential voltage 7000 V DC AC peak to peak Max voltage between each input terminal and ground 6500 Vrms Differential 54MQ 1 2pF Between terminals and ground 27MQ 2 3pF lt 7 0V 500 7ns for x200 x500 and x1000 14ns for x100 60Hz gt 80dB 100Hz gt 60dB 1MHz gt 50dB External 9V DC power supply 200mA max Indoor Use only Temperature Reference 20 C to 30 C Use 0 C to 50 C Storage 30 C to 70 C Relative
10. nstrument falls under degree 2 Pollution refers to addition of foreign matter solid liquid or gaseous ionized gases that may produce a reduction of dielectric strength or surface resistivity e Pollution degree 1 No pollution or only dry non conductive pollution occurs The pollution has no influence e Pollution degree 2 Normally only non conductive pollution occurs Occasionally however a temporary conductivity caused by condensation must be expected e Pollution degree 3 Conductive pollution occurs or dry non conductive pollution occurs which becomes conductive due to condensation which is expected In such conditions equipment is normally protected against exposure to direct sunlight precipitation and full wind pressure but neither temperature nor humidity is controlled GY INSTEK SAFETY INSTRUCTIONS Storage e Location Indoor PVO e Relative Humidity 10 to 90 e Temperature 30 C to 70 C Note If the probe is not in use for more than 60 days please store in a de humidified environment to keep the probe dry Reference e Location Indoor environment e Relative Humidity lt 70 e Temperature 20 to 30 C Disposal Do not dispose this instrument as unsorted municipal waste Please use a separate collection R facility or contact the supplier from which this mm instrument was purchased Please make sure discarded electrical waste is properly recycled to reduce environmental impact GY I
11. rms 19 GY INSTEK GDP Series User Manual EC Declaration of Conformity We GOOD WILL INSTRUMENT CO LTD No 7 1 Jhongsing Rd Tucheng Dist New Taipei City 236 Taiwan GOOD WILL INSTRUMENT SUZHOU CO LTD No 69 Lushan Road Suzhou New District Jiangsu China declares that the below mentioned product GDP 025 GDP 050 GDP 100 Are herewith confirmed to comply with the requirements set out in the Council Directive on the Approximation of the Law of Member States relating to Electromagnetic Compatibility 89 336 EEC 92 31 EEC 93 68 EEC and Low Voltage Equipment Directive 2006 95 EC For the evaluation regarding the Electromagnetic Compatibility and Low Voltage Equipment Directive the following standards were applied EMC Electrical equipment for measurement control and laboratory use EMC requirements 1997 A1 1998 A2 2003 Conducted and Radiated Emissions Electrostatic Discharge EN 61326 1997 A1 1998 A2 2 003 Class IEC 61000 4 2 1995 A1 1998 A2 2000 B Current Harmonic Radiated Immunity EN 61000 3 2 2006 IEC 61000 4 3 2002 A1 2002 Voltage Fluctuation Electrical Fast Transients oe ce ee IEC 61000 4 5 1995 A1 2000 e re IEC 61000 4 6 2003 Al 2004 Voltage Dips Interrupts o Tei O Safety Low Voltage Equipment Directive 2006 95 EC Safety Requirements IEC EN 61010 031 2002 A1 2008 20 GU INSTEK APENDIX 21
12. signed for use with high High voltage voltages When operating with high voltages ensure proper safety precautions are taken at all times Please see the safety section for more details 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 stro LIE Jun Procedure 1 Adjust the vertical position on the oscilloscope 2 Adjust the attenuation ratio and vertical deviation in accordance to the deviation table listed on the next page 13 GY INSTEK GDP Series User Manual AN e The power light must come on Caution e Ensure the range light does not come on before measuring Deviation Table Model GDP 050 GDP 050 All GDP 050 GDP 025 GDP 025 GDP 100 GDP 100 GDP 100 Attenuation X1000 x500 X 200 X 100 X 50 X 20 Voltage input range 7000 Vp p 3500 Vp p 1400 Vp p 700Vp p 350 Vp p 140 Vp p DC AC Peak 3500Vdc 1750Vdc 700Vdc 350Vdc 175Vdc 70Vdc Vertical Deviation Real Division in V div u X1000 X500 X200 X100 X50 X20 Oscilloscope in V div Model GDP 050 GDP 050 All GDP 050 GDP 025 GDP 025 GDP 100 GDP 100 GDP 100 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
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