CP62 User Manual - Test Equipment Depot
Contents
1. 99 Washington Street Melrose MA 02176 Phone 781 665 1400 1 800 517 8431 Toll Free 1 800 517 8431 Visit us at www TestEquipmentDepot com Model CP62 DC 100 A Current Probe Test Equipment Depot USER MANUAL Fineness te FT nc 4 100 mWiA 520 57 210 Current Probe CP62 100 Amp OUTPUT TO Oscilloscope Safety Summary The following safety precautions apply to both operating and maintenance personnel and must be observed during all phases of operation service and repair of this instrument Before applying power follow the installation instructions and become familiar with the operating instructions for this instrument If this device is damaged or something is missing contact the place of purchase immediately This manual contains information and warnings that must be followed to ensure safe operation as well as maintain the meter in a safe condition GROUND THE INSTRUMENT To minimize shock hazard the instrument chassis and cabinet must be connected to an electrical ground This instrument is grounded through the ground conductor of the supplied three conductor ac power cable The power cable must be plugged into an approved three conductor electrical outlet Do not alter the ground connection Without the protective ground connection all accessible conductive parts including control knobs can render an electric shock The power jack and mati2. 20A 14 Lj 10 100 10K 100K 300K iM Frequency Hz Figure 2 Maximum current versus frequency Uncertainty Typical Specification Amperes Figure 3 DC signal linearity in the 10 mV A range typical 10 mV A range 50 Phase in degrees 100 100 mV A range 150 100 1K 10K 100K 300K Frequency Hz Figure 4 Phase versus frequency at 1 A peak typical Table 1 3 5 Certifications and compliances EC Compliance was demonstrated to the following specification as listed in the Official Declaration Journal of the European Union of Low Voltage Directive 73 23 as amended by 93 68 EEC Conformity EN 61010 1 A2 1995 Low Voltage oafety requirements for electrical equipment for measurement control amp laboratory use EN 61010 2 032 1995 Particular requirements for hand held current clamps for electrical test amp measurement Additional IEC61010 1 A2 1995 Compliance Safety requirements for electrical equipment for measurement control amp laboratory use IEC61010 2 032 1994 Particular requirements for hand held current clamps for electrical test amp measurement CP62 Operating Manual Certifications and compliances cont Installation Terminals on this product may have different installation overvoltage Overvoltage category designations The installation categories are Category CAT D
3. A Maximum Maximum floating Working voltage voltage V 10 mV A 100 mV A See Figure 2 for frequency 100 Table 1 3 2 Physical Characteristics 280 mm x 70mm x 32 mm 11 x 2 8 x 1 3 inch Maximum Conductor Size 11 mm 0 43 inch Cable Length 100 cm 3 3 feet 260 g 9 5 oz without battery Table 1 3 3 Environmental Characteristics Temperature Working 0 C to 50 C 32 F to 122 F Storage 20 C to 80 C 4 F to 176 F Humidity to 40 C 95 humidity 40 C to 50 C 45 humidity Table 1 3 4 Power Requirements 9V NEDA 1604A IEC 6LR61 AC Adapter Linear AC adapter with 9VDC 300mA and center negative output HHH 11 100 mV A range Bis 1 Gain dB i n 10K 30K 100K 300K 1M Frequency Hz Figure 1 Gain versus frequency at 1 A peak typical 7 CP62 Operating Manual sn C EE EHI woos CC CI H1 soa E T I I I 1124 98A 24A RHS current 564 28 _ I PO
4. and laboratory use EMC Directive EN55011 For radiated and conducted emissions EN55082 Electrical discharge immunity 1 INTRODUC TION 6 2 a 6 152 NES CMO OM Ed VE 6 W253 SCCM 6 Table 1 3 0 Electrical GharacterstiCS 6 Table 1 3 1 Voltage and current ratings 0 0000 00 000000000000 0 6 Table 1 3 2 Physical Characteristics 2 0 020 00 0 770 0 000000 Table 1 3 3 Environmental Table 1 3 4 Power 6 000000000000 nnne Table 1 3 5 Certifications and 5 9 INS TABELATIO 11 MOU CUON 2 11 2 AAC aC Cs ONS dau dM ane 11 uae REE 11 OPERATING 8 12 3 1 General Description 0400 12 9 2 Controls 13
5. 9 9 S eta tico 13 3 4 Oscilloscope 14 3 4 2 Multimeter 2 6 6 0000000000000000005000 renis 15 _ _ _ y n a 15 MAINTENANCE 16 4 1 Battery and AC Power Adapter Operation 16 27 2 Battery matita a 16 2 ze a EE 17 CP62 Operating Manual 1 Introduction 1 1 Introduction This manual contains information required to operate the B amp K Precision model CP62 Current Probe This section covers the instrument s general description specifications and characteristics 1 2 Description The CP62 current probe allows a general purpose oscilloscope to display AC and DC current signals up to 100 A Peak 70 A RMS The CP62 current probe can also make AC and DC measurements with a multimeter by using the recommended accessory TL62 BNC to banana plug adapter 1 3 Specifications Table 1 3 0 Electrical Characteristics Current Ranges 10 100 mV A DC Accuracy typical 3 50 mA at 100 mV A 50 mA to 10 A peak range 4 50 mA at 10 mV A 500 mA to 40 A peak range 15 max at 100 mV A 40 A peak to 100 A peak range Table 1 3 1 Voltage and current ratings Maximum working current
6. ch to a square 9V battery only when there is no AC power supply available outdoors When using an AC power adapter for an extended time we suggest you remove the battery from the compartment This is because overheating may result in battery leakage which may damage the circuit board It is safe to power the CP62 with the AC adapter while the battery is installed Disconnecting the external power supply will not produce waveform anomaly or any damage However when operating the CP62 with the AC adapter for an extended time period more than 1 week removal of the battery is recommended to avoid battery leakage 4 2 Battery Installation 1 Remove the probe from the circuit 2 Open the battery compartment by loosening the three screws uses standard 3x15 and take the cover off Install replace the battery 3 While observing polarity attach the new alkaline battery to the battery connectors and insert battery 4 Place the cover back and lightly tighten the screws to hold the cover in place 9V Battery SNINSVM Z NOLNTIOd 2 A009 2 006 5 01019231 V 16 4 3 Cleaning clean the probe exterior use soft cloth dampened a solution of mild detergent and water To clean the core open the jaw and clean the exposed core surfaces with a cotton swab dampened with isopropyl alcohol Lubricate the jaws mating surfaces with light oil Do not clean with s
7. istribution level mains usually permanently connected Equipment at this level is typically in a fixed industrial location CAT Il Local level mains wall sockets Equipment at this level includes appliances portable tools and similar products Equipment is usually cord connected CAT I Secondary signal level or battery operated circuits of electronic equipment Pollution Degree A measure of the contaminates that could occur in the environment around and within a product Typically the internal environment inside a product is considered to be the same as the external Products should be used only in the environment for which they are rated Pollution Degree 1 No pollution or only dry nonconductive pollution occurs Products in this category are generally encapsulated hermetically sealed or located in clean rooms Pollution Degree 2 Normally only dry nonconductive pollution occurs Occasionally a temporary conductivity that is caused by condensation must be expected This location is a typical office home environment Temporary condensation occurs only when the product is out of service Note All specifications apply to the unit after a temperature stabilization time of 15 minutes over an ambient temperature range of 23 C x 5 C Specifications are subject to change without notice 10 2 Installation 2 1 Introduction This section contains installation information power requirements initial inspection and pr
8. l of the European Union on waste electrical and electronic equipment WEEE and in jurisdictions adopting that Directive is marked as being put on the market after August 13 2005 and should not be disposed of as unsorted municipal waste Please utilize your local WEEE collection facilities in the disposition of this product and otherwise observe all applicable requirements Safety Symbols Terms in This Manual These terms may appear in this manual WARNING Warning statements identify conditions or practices that could result in A injury or loss of life CAUTION Caution statements identify conditions or practices that could result in damage to this product or other property Terms on the Product These terms may appear on the product DANGER indicates an injury hazard immediately accessible as you read the marking WARNING indicates an injury hazard not immediately accessible as you read the marking CAUTION indicates a hazard to property including the product Symbols on the Product These symbols may appear on the product A Attention refer to operation Instructions This instrument has double insulation Declaration of Conformity The model CP62 meets the requirements of 2006 95 EC Low Voltage Directive and 2004 108 EC Electromagnetic Compatibility Directive with the following standards Low Voltage Directive EN61010 Safety requirements for electrical equipment for measurement control
9. ng plug of the power cable must meet IEC safety standards DO NOT OPERATE IN AN EXPLOSIVE ATMOSPHERE Do not operate the instrument in the presence of flammable gases or fumes Operation of any electrical instrument in such an environment constitutes a definite safety hazard KEEP AWAY FROM LIVE CIRCUITS Instrument covers must not be removed by operating personnel Component replacement and internal adjustments must be made by qualified maintenance personnel Disconnect the power cord before removing the instrument covers and replacing components Under certain conditions even with the power cable removed dangerous voltages may exist To avoid injuries always disconnect power and discharge circuits before touching them DO NOT SERVICE OR ADJUST ALONE Do not attempt any internal service or adjustment unless another person capable of rendering first aid and resuscitation is present DO NOT SUBSTITUTE PARTS OR MODIFY THE INSTRUMENT Do not install substitute parts or perform any unauthorized modifications to this instrument Return the instrument to B amp K Precision for service and repair to ensure that safety features are maintained WARNINGS AND CAUTIONS WARNING and CAUTION statements such as the following examples denote a hazard and appear throughout this manual Follow all instructions contained in these statements A WARNING statement calls attention to an operating procedure practice or condition which if not followed c
10. obe connections for the CP62 2 2 Package Contents Please inspect the instrument mechanically and electrically upon receiving it Unpack all items from the shipping carton and check for any obvious signs of physical damage that may have occurred during transportation Report any damage to the shipping agent immediately Save the original packing carton for possible future reshipment Every generator is shipped with the following contents CP62 Current probe CC62 BNC to BNC cable TL62 Banana to BNC adapter BE62 AC Adapter User Manual Verify that all items above are included in the shipping container If anything is missing please contact B amp K Precision 2 4 Signal Connections Use RG58U 500 or equivalent coaxial cables for all input and output signals to and from the instrument 11 3 Operating Instructions 3 1 General Description This section describes the controls and connectors of the current probe A Switch DC Zero Offset Knob Clamp Clamp Lever Battery Compartment Output AC Adapter Input Power ON OFF select 10mV A or 100mV A range Max 11 mm Wire Opens jaw Located inside 3 2 Controls and Indicators Control Indicator Current flow symbol The arrow shows the 5 polarity convention for measuring current flowing from positive to negative Zero adjustment Rotate to adjust the probe output to zero when there i
11. obe output to the instrument before clamping onto the circuit under test 1 First connect the current probe BNC connector to CC62 double BNC connection cable then connect to oscilloscope input Start by setting the oscilloscope voltage input channel to DC volts and the voltage sensitivity scale to 0 1 V div 2 Move the OFF Range switch to the 10 mV A or 100 mV A position to turn on the probe CP62 current probe has a green LED power battery indicator If the LED does not light replace the battery or use specified power adapter 3 Use the ZERO adjustment to zero or offset the probe output detection of residual magnetic DC charges 4 Connect the probe to the circuit by opening the jaws and clamping around the conductor See Figure 5 NOTE Clamping around both the hot and neutral wires may give you a zero reading Remember to unclamp the probe from the conductor before disconnecting it from your meter or instrument Figure 5 Connecting the CP62 current probe 5 Adjust the oscilloscope s time base as necessary to get a clear and stable view of the signal Set the oscilloscope input to DC volts to see both the AC and DC currents or set the input to AC to see the AC current only Figure 6 shows the difference between the line current drawn by a resistive load and a motor controller 14 _ Py iy eg FLA JL es fp Figure 6 Typical current waveforms 3 4 2 Multimeter Mea
12. olvents or abrasives Do not immerse the probe Remove the three case screws and separate the case into two parts to access the internal battery 17 CP62 Operating Manual LIMITED ONE YEAR WARRANTY B amp K Precision Corp warrants to the original purchaser that its products and the component parts thereof will be free from defects in workmanship and materials for a period of one year from date of purchase B amp K Precision Corp will without charge repair or replace at its option defective product or component parts Returned product must be accompanied by proof of the purchase date in the form of a sales receipt Exclusions This warranty does not apply in the event of misuse or abuse of the product or as a result of unauthorized alterations or repairs The warranty is void if the serial number is altered defaced or removed B amp K Precision Corp shall not be liable for any consequential damages including without limitation damages resulting from loss of use Some states do not allow limitations of incidental or consequential damages So the above limitation or exclusion may not apply to you This warranty gives you specific rights and you may have other rights which vary from state to state 18 Fa 1 f 2013 amp v081213 Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com
13. orrectly could result in injury or death to personnel A CAUTION statement calls attention to an operating procedure practice or condition which if not followed correctly could result in damage to or destruction of part or all of the product WARNING Do not alter the ground connection Without the protective ground connection all accessible conductive parts including control knobs can render an electric shock The power jack and mating plug of the power cable meet IEC safety standards WARNING avoid electrical shock hazard disconnect power cord before removing covers Refer servicing to qualified personnel CAUTION Before connecting the line cord to the AC mains check the rear panel AC line voltage indicator Applying a line voltage other than the indicated voltage can destroy the AC line fuses For continued fire protection replace fuses only with those of the specified voltage and current ratings 2 CAUTION This product uses components which damaged by electro static discharge ESD To avoid damage be sure to follow proper procedures for handling storing and transporting parts and subassemblies which contain ESD sensitive components Compliance Statements Disposal of Old Electrical amp Electronic Equipment Applicable in the European Union and other European countries with separate collection systems This product is subject to Directive 2002 96 EC of the European Parliament and the Counci
14. s no current present It may also be used to offset a DC signal component Zeroing is not needed for AC measurements unless your instrument cannot isolate a DC component if present OFF Range switch Slide the switch from OFF to either the 10 mV A or 100mV A range When either range is selected the probe is turned on and the green battery indicator lights If the indicator does not light see Battery Notes and Battery Installation on 16 Battery indicator The green battery indicator lights when the probe is turned on For more information see Battery Notes and Battery Installation on 16 Overload indicator red overload indicator lights if the measured signal is greater than the selected range capacity Switch the probe to 10 mV A if possible or remove the probe from the circuit 3 3 Connectors The CP62 has one BNC connector and one AC input BNC Output Use this connector to transfer the induced signals to either an oscilloscope or to a digital multimeter Input Use this connector to power the probe via BE62 AC adapter 13 CP62 Operating Manual 3 4 Oscilloscope Measurements Before using the probe the batteries or specified power adapter must be installed See the battery installation instructions on page 16 WARNING Do not clamp the probe onto circuits with voltages greater than 600 VAC Personal injury or damage to the probe may result Always connect the CP62 current pr
15. surements When connecting to a digital meter use the recommended TL62 BNC to banana adapter Connect the black lead to the meter COM black letters on the meter and the red lead to the input red letters on the meter To measure only AC current set the meter to measure AC volts To measure DC current set the meter to measure DC volts Note the current convention arrow on the probe to get the proper polarity reading 3 4 3 Increase Sensitivity To increase the measurement sensitivity of the CP62 current probe loop additional turns of the wire under test through the jaws See Figure 7 The sensitivity of the CP62 current probe is multiplied times the number of loops in the jaws For example 10 mV A X 4 turns 40 mV A Figure 7 Increasing the sensitivity 15 CP62 Operating Manual 4 Maintenance Use the information in this section to properly maintain the operation of your CP62 AC DC Current Probe 4 1 Battery and AC Power Adapter Operation The CP62 current probe uses a single 9 V battery Only use alkaline batteries As the battery in the CP62 current probe is drained significant gain errors may occur The green LED will continue to light until a low battery voltage of 6 5 V is reached If probe gain errors are detected before the LED extinguishes or becomes dim replace the probes battery with a fresh one Alternatively an AC power adapter can be used to avoid gain error due to the battery condition Swit
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