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High Frequency AC / DC Current Probe

CP1003 / CP503

User Manual

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Summary of Contents for CP1003

Page 1: ...High Frequency AC DC Current Probe CP1003 CP503 User Manual www micsig com ...

Page 2: ...Micsig shall not be liable for errors or incidental or consequential damages arising out of the furnishing use or application of this document or any information contained herein Should a separate written agreement between Micsig and the user contain warranty terms covering the material in this document that conflict with these terms the warranty terms in the separate agreement shall prevail Shenz...

Page 3: ...ries damage due to improper use maintenance or storage b Damage caused by force majeure factors such as natural disasters In the following cases the company will refuse to provide maintenance services or provide maintenance services for a fee a Unable to provide product packaging or anti counterfeiting labels on product packaging b The content of the anti counterfeiting label has been altered or i...

Page 4: ... Main Functions 2 Probe Structures 3 Probe Slider and Wire Grip Probe Control Module Installation 5 Connect to an oscilloscope Degaussing and Zeroing the Probe Function Check and Basic Operation 6 Applications 7 Inductance Measurement Measuring Inductor Turns Technical Specifications 10 Warranted Characteristics Typical Characteristics Nominal Characteristics Maintenance 15 Troubleshooting Cleanin...

Page 5: ...from the circuit under test Observe all terminal ratings To avoid fire or electric shock observe all product ratings and markings Before making connections to the product please consult the product user manual for details on ratings Do not connect the current probe to any wire with a voltage exceeding its rating Do not disassemble the machine Do not use the product for measurements with covers or ...

Page 6: ...ments to this product unless someone else is on site to provide first aid and resuscitation Disconnect Power To avoid electrical shock disconnect power to the instrument before disconnecting the main power cord Pay attention when repairing with electricity Hazardous voltages or currents may be present in this product Disconnect power and test leads before removing protective panels soldering or re...

Page 7: ...pollution or only dry non conductive pollution Pollution degree 2 In general there is only non conductive pollution and occasional temporary conduction caused by condensation occurs typical office home environment Temporary condensation occurs only when the product is not in use Pollution degree 3 There is conductive pollution or dry non conductive pollution becomes conductive due to expected cond...

Page 8: ...ic equipment CAT II is a low voltage high energy level branched from the main power supply circuit and the 220V voltage of the home lighting circuit belongs to this category CAT III refers to the high voltage and high energy level refers to the fixed installation of the main power supply circuit generally refers to 380V three phase voltage CAT IV refers to three phase lines at utility power connec...

Page 9: ...nces that could be harmful to the environment or human health if improperly handled at the product s end of life In order to avoid release of such substances into the environment and to reduce the use of natural resources we encourage you to recycle this product in an appropriate system that will ensure that most of the materials are reused or recycled appropriately This symbol indicates that this...

Page 10: ...s below Shipment Preparation 1 Use a corrugated cardboard shipping container with internal dimensions at least 3 cm larger than the probe dimensions The cardboard test weight of the box should be at least 90 72 kg 2 Put the probe in an antistatic bag or wrap it to protect it from moisture 3 Place the probe in the case and secure it with lightweight packing material 4 Seal the box with shipping tap...

Page 11: ...Key features 100 MHz bandwidth 3 5ns rise time CP1003 50 MHz bandwidth 7ns rise time CP503 AC DC measuring capability Switchable Range 6A 30A 1 DC accuracy typ One step to degaussing auto zeroing Support manual and auto zero calibration When used with Micsig UPI no additional power supply required Automatically synchronized range with Micsig UPI type oscilloscopes Direct scale and unit reading on ...

Page 12: ...ng area the area inside the dashed line in the figure when measuring WARNING Do not force wires larger than 5 mm in diameter into the grips as doing so may result in damage to the probe WARNING To avoid electric shock do not touch areas within the safe handling area the area within the dashed line in the diagram when taking measurements Warning Do not drop the probe or subject it to strong shocks ...

Page 13: ... is inserted for the first time all range LED status indicators will light up briefly then the LED lights will flash the probe will automatically go to degaussing and zeroing procedures The current range LED status indicator will light up to indicate the selected current range When the probe is degaussing and zero calibrating the two range LED status indicators will flash One flash means zero cali...

Page 14: ...oscope Degaussing and Zero Note Before degaussing and zero the probe be sure to verify that the probe head is locked When the oscilloscope recognizes the probe for the first time the probe will automatically degauss and zero To ensure accurate measurements degauss the probe under each of the following conditions Turn on the measuring system and allow a 20 minute warm up time Before connecting the ...

Page 15: ...ust the oscilloscope related settings or use the oscilloscope s auto setup function to display a stable waveform After seeing a stable waveform it means that the probe is working normally 1 2 3 4 5 Here are some basic operations you should be aware of Before connecting the oscilloscope please slide the probe slider to the LOCK position to lock the probe otherwise it will affect the zero calibratio...

Page 16: ... value Low impedance pulse source Connect the sensor to the output of the pulse generator Keep the voltage on the inductor constant Clip the current probe to one of the current source leads Measure the current sawtooth wave The inductance is effectively defined by the slope 1 2 3 4 of the current sawtooth wave shown here Calculate the inductance using the following formula The L is the inductance ...

Page 17: ...ductance in Henrys τ is the time required for the current to rise or fall to 63 2 of the total current value and R is the source resistance of the pulse generator Measuring Inductor Turns To get the approximate number of turns for the inductor follow these steps 1 Connect the inductor to the current limited power supply shown as below 2 Measure the input current in one of the inductor leads 3 Clip...

Page 18: ...robe so that the currents are in opposite directions to each other as shown The polarity of the coil current must be observed to determine whether the test coil has more or fewer turns than the reference coil The number of turns can be calculated using the following formula Application Reference N2 N1 x Im I1 N2 is the number of turns of the test coil N1 is the number of turns of the reference coi...

Page 19: ...al Characteristics Nominal Characteristics Warranted Characteristics Table 1 Warranted Electrical Characteristics Warranted characteristics describe performance guaranteed to be achieved within tolerances or required by a particular test type Typical Characteristics Characteristics Table 2 Typical Electrical Characteristics Typical Characteristics describe typical but not guaranteed performance Ch...

Page 20: ...Curve Figure 2 Amplitude frequency characteristic curve 11 Warning When measuring high frequency current be careful not to exceed the current value shown in the curve Use of the maximum continuous current exceeding the curve will cause the probe to burn CP1003 CP503 CP1003 CP503 ...

Page 21: ...12 Technical Specifications Figure 3 Input Impedance VS Frequency Curve input resistance Ω input resistance Ω Frequency Hz CP1003 Frequency Hz CP503 ...

Page 22: ... size 17 5x2x2 9cm Probe Control Module Dimensions 7 8x2 2x3 7cm Maximum conductor diameter 5mm Cable Length Probe Head to Control Module 1m Features Parameters Operating temperature 0 50 Storage temperature 20 80 Operating humidity 5 95 0 40 non condensing 5 65 40 50 non condensing Working height 3000m Storage height 12000m 13 ...

Page 23: ...describe guaranteed characteristics but these characteristics are not subject to tolerance limits 14 Features Parameter Input coupling DC Range 6A 2X 30A 10X Output sensitivity 1V 2A 6A 1V 10A 30A Terminals Connect the output terminals to 1MΩ Compatibility Oscilloscopes with Micsig UPI probe interface only ...

Page 24: ...Check whether the probe is powered properly Check the oscilloscope coupling method The amplitude of the measurement signal is too small Check whether the input impedance of the oscilloscope is 50Ω Please adjust it to 1MΩ to work properly LED status light does not glow The oscilloscope channel may be damaged please try to replace other channels or other oscilloscopes After plugging in the oscillosc...

Page 25: ...one or similar solvents Clean the outside of the probe with a soft dry lint free cloth or a soft bristle brush If dirt remains clean with a soft cloth or cotton swab dipped in 75 isopropyl alcohol solution and rinse with deionized water Cotton swabs can be used to clean the tight spaces of the probe with any solution that can dampen the swab or soft cloth Do not use abrasives on any part of the pr...

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