Hioki CM4141 Instruction Manual Download Page 49

43

Input specifications/Measurement specifications

3

Effects of conductor 

position *

1

Cable diameter

Measurement 

area

Accuracy

Measurement 

area figure

CV8 mm

2

(Finished outer diameter: 

 

8.6 mm)

Area A

Within ±3.0% rdg.

B

A

Area B

Within ±7.0% rdg.

CV38 mm

2

(Finished outer diameter: 

 

13 mm)

Area A

Within ±2.0% rdg.

Area B

Within ±5.0% rdg.

Effect of radiated 

radio-frequency 

electromagnetic 

field

Add ±2% rdg. at 10 V/m.

*1: At 100 A, 55 Hz measurements around the jaw’s center-point reference

Summary of Contents for CM4141

Page 1: ...EN EN Instruction Manual Aug 2019 Revised edition 1 CM4141A961 01 19 08H CM4141 CM4142 AC CLAMP METER Instruction Manual Aug 2019 Revised edition 1 CM4141A961 01 19 08H CM4141 CM4142 AC CLAMP METER...

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Page 3: ...are satisfied 1 The circuit under measurement is isolated from the commercial power grid 2 The circuit under measurement is isolated from ground e g when measuring the no load voltage of an ungrounded...

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Page 5: ...Overview 11 1 1 Product Overview and Features 11 1 2 Part Names 12 2 Making Measurements 13 2 1 Inspection Before Measurement 13 2 2 Current Measurement 14 Manual Hold Auto Hold 15 Switching the range...

Page 6: ...ly for model CM4142 29 3 Specifications 35 3 1 General Specifications 35 3 2 Input specifications Measurement specifications 37 3 3 Accuracy Table 44 4 Repairs Inspections and Cleaning 59 4 1 Troubles...

Page 7: ...ectrical knowledge equivalent to that of someone who graduated from the electrical program at a technical high school Trademark Bluetooth is a registered trademark of Bluetooth SIG Inc USA The tradema...

Page 8: ...s a potentially hazardous situation that may result in death or serious injury to the operator Indicates prohibited actions CAUTION Indicates a potentially hazardous situation that may result in minor...

Page 9: ...We define measurement tolerances in terms of f s full scale rdg reading and dgt digit values with the following meanings f s maximum display value range The maximum displayable value This is usually t...

Page 10: ...ad L4930 L4931renketu L4931 L4932 9207 10cap L4933 L4935 L4936 Model C0203 Carrying Case LR03 Alkaline battery 2 Instruction Manual Operating Precautions 0990A907 Precautions Concerning Use of Equipme...

Page 11: ...L4931 L4932 9207 10cap L4933 L4935 L4936 L9207 10 L4931renketu L4931 L4932 9207 10cap L4933 L4935 L4936 9243 graber L4937 L4934 L9207 10 DM4910 DT4911TestLead DT4912TestLead L4930 L4931renketu L4931 L...

Page 12: ...barrier while the instrument is in use See Part Names p 12 The maximum measurement current varies with the frequency and the current that can be measured continuously is limited Operating the instrum...

Page 13: ...take measurements with wet hands This may cause an electric shock This precaution does not apply to insulated conductors To prevent an electric shock do not exceed the lower of the ratings shown on th...

Page 14: ...e the jaw adversely affecting measurement IMPORTANT Clamp the instrument around only one conductor The instrument will not be able to make a measurement if you clamp it around two or more wires togeth...

Page 15: ...eads provided for the instrument conform to the safety standard EN61010 Use a test lead in accordance with its defined measurement category and rated voltage To prevent a short circuit accident be sur...

Page 16: ...it to be chipped or cracked Do not use the Magnetic Adapter Set in locations where it may be exposed to rainwater dust or condensation In those conditions the Magnetic Adapter Set may be decomposed or...

Page 17: ...that can perform true RMS measurement of current simply by clamping it around a circuit In addition to current it provides voltage measurement frequency measurement rush current measurement resistance...

Page 18: ...t showing 3 SHIFT key Selects function indicated in blue lettering 4 Jaw p 14 5 Barrier 6 Serial number The serial number consists of 9 digits The first two from the left indicate the year of manufact...

Page 19: ...thorized Hioki distributor or reseller Check item The battery cover is closed and its screw has been securely tightened There is no damage to the test lead insulation and neither the white sheathing n...

Page 20: ...tor 3 AC A Hz Frequency Hz Frequency Frequency detection range of AC current 3 A or more 60 00 A range 30 A or more 600 0 A range 200 A or more 2000 A range Range p 18 Default setting is auto range Pr...

Page 21: ...hts up when measured value stabilizes Measured value automatically retains Clamp the instrument around a conductor Pressing the HOLD key again cancels the measured value hold function blinks Pressing...

Page 22: ...sured value is fluctuating stabilizes within the fluctuation range described in the table in the next page Start End Start End Start End Threshold e g 12 0 A Auto hold e g 99 0 A Auto hold e g 100 0 A...

Page 23: ...DC voltage AC DC voltage 6 000 V 60 00 V 600 0 V range within 120 within 1000 V range within 20 counts 1500 V range within 30 counts 6 000 V 60 00 V 600 0 Vrange 120 counts 1000 V range 20 counts 1500...

Page 24: ...18 Current Measurement Switching the range Auto range default setting Manual 600 0 A range Manual 60 00 A range Manual 2000 A range...

Page 25: ...rument will be automatically set to the 2000 A range PEAK MAX PEAK MIN MAX Display refresh interval Waveform Measured value RMS value MIN 3 4 Measured value retains Press for 1 sec Cancel The instrume...

Page 26: ...uced noise Press for 1 sec Frequency Hz Measured value A Frequency characteristics when using the filter function 100 A input FILTER OFF FILTER ON Passband 100 Hz Turn off the filter function when per...

Page 27: ...sec AC INRUSH ON 3 Clamp the instrument around a conductor 2 The instrument can measure AC rush current Rush current containing a DC component cannot be measured accurately 4 Set the range See Switchi...

Page 28: ...tion function p 27 If the measured value is negative the buzzer will sound and the display will turn red threshold 10 V DC V 2 3 DC AC DC AC DC AC DC AC Hz AUTO DC AC DC AC e g commercial power supply...

Page 29: ...23 Other Measurement Functions 2 2 Black Black Red Red 2 Red display Continuity Check Press for 1 sec 1 Zero adjustment Resistance Press for 1 sec 1 Zero adjustment...

Page 30: ...ent Functions Black Red Red Black Capacitance Diode Buzzer sound Intermittent sound during forward connection 0 15 V to 1 8 V backlight off Continuous sound during forward connection less than 0 15 V...

Page 31: ...hermocouples K IMPORTANT Thermocouples K experience a phenomenon known as short range ordering that may prevent accurate measurement in the range of 250 C to 600 C Black Red Temperature To change the...

Page 32: ...ch to OFF Backlight OFF Backlight Auto Power Save APS No operation for 45 min You can turn the display back on by pressing a key or by turning the rotary switch No operation for 15 min Always on Cance...

Page 33: ...an operation key Setting Operating instruction Factory setting Setting retained Canceling the auto power save APS function OFF ON No Set each time DC voltage polarity detection function ON OFF OFF Yes...

Page 34: ...ower on Option Table Setting Operating instruction Factory setting Setting retained Switching the temperature unit To change the temperature unit Press for 1 sec To save the setting Press for 1 sec C...

Page 35: ...on mobile devices iPhone iPad iPad miniTM iPad Pro iPod touch and AndroidTM devices For more information about this functionality see the Help function in the application software GENNECT Cross 1 Inst...

Page 36: ...or regulations For more information see the attached Precautions Concerning Use of Equipment that Emits Radio Waves or go to our website The CM4142 availability is limited to certain countries For mo...

Page 37: ...Bluetooth Communications only for model CM4142 Turning on the Bluetooth function Bluetooth function OFF Bluetooth function ON lights up Bluetooth function ON flashes Sending receiving data Press for 1...

Page 38: ...ll be displayed While the mobile device is displaying the Instrument Settings screen simply move it close to a CM4142 to automatically pair it with the instrument the app can be paired with up to 8 in...

Page 39: ...Measurement Logging Recording or Waveform FFT function on the Home screen For more information about each function see the Help function in the GENNECT Cross General Measurement Saves measured values...

Page 40: ...34 Bluetooth Communications only for model CM4142...

Page 41: ...nt in a hazardous live conductor while completely dry IP50 Measuring resistance or current in an insulated conductor while completely dry or during storage However the instrument s handle provides IP5...

Page 42: ...indicates the depth for the first 44 mm of each jaw from its tip Jaw cross sectional minimum dimension Approx 11 mm 0 43 Indicates the depth for the first 44 mm of each jaw from its tip Maximum measur...

Page 43: ...al 600 V AC Measurement category IV 1000 V AC Measurement category III 1000 V AC up to 1 kHz 1700 V DC to earth 600 V AC Measurement category IV 1000 V AC Measurement category III Anticipated transien...

Page 44: ...he AC component when DC AC voltage are mixed 2 Does not include range change time 2 Current measurement specifications Frequency derating Lower of 3000 A AC or 6 106 A Hz continuous design value Zero...

Page 45: ...more when filter is off 3 Voltage measurement specifications Overload protection 1870 V DC Lower of 1100 V AC or 2 107 V Hz Applied continuously for up to 1 min Input impedance See 3 3 Accuracy Table...

Page 46: ...Peak detection time width AC voltage 1 ms or more when filter is off 1 Defined for 1 k unbalance 0 Hz 50 Hz 60 Hz input 2 Defined for 50 Hz 60 Hz input 4 Other Measurement Specifications Overload pro...

Page 47: ...red warning backlight lights up Continuity off threshold Continuity check 245 10 Maximum capacity load Resistance 10 mF Maximum inductive load Resistance 10 H Instrument reference contact temperature...

Page 48: ...ed accuracy period after adjustment made by Hioki 1 year Guaranteed accuracy for temperature and humidity 23 C 5 C 73 F 9 F 90 RH or less no condensation Continuity check resistance after zero adjustm...

Page 49: ...ment area figure CV8 mm2 Finished outer diameter 8 6 mm Area A Within 3 0 rdg B A Area B Within 7 0 rdg CV38 mm2 Finished outer diameter 13 mm Area A Within 2 0 rdg Area B Within 5 0 rdg Effect of rad...

Page 50: ...z f 66 Hz 1 5 rdg 0 08 A 2 0 rdg 0 08 A 30 Hz f 45 Hz 66 Hz f 1 kHz 2 0 rdg 0 10 A 2 5 rdg 0 10 A 600 0 A more than 6000 counts less than 540 counts 1 0 A to 600 0 A 0 1 A 45 Hz f 66 Hz 1 5 rdg 0 3 A...

Page 51: ...to 1500 A 1 A 45 Hz f 66 Hz 1 5 rdg 3 A 30 Hz f 45 Hz 66 Hz f 1 kHz 2 0 rdg 5 A 2000 A 10 A to 2840 A 1 A 45 Hz f 66 Hz 1 5 rdg 30 A 30 Hz f 45 Hz 66 Hz f 1 kHz 2 0 rdg 50 A 2 Current frequency Range...

Page 52: ...A to 600 0 A 0 1 A 40 Hz f 500 Hz 5 0 rdg 1 3 A 2000 A 100 A to 2000 A 1 A 40 Hz f 500 Hz 1 5 0 rdg 13 A 1 Design values apply beyond 6 105 A Hz AC INRUSH PEAK value Zero to Peak Range Accuracy guaran...

Page 53: ...range threshold Accuracy guarantee range Resolution Accuracy guarantee frequency range 1 2 Measurement accuracy Input impedance 3 Filter OFF Filter ON 6 000 V more than 6000 counts 0 000 V to 0 299 V...

Page 54: ...f 1 kHz 1 5 rdg 0 05 V 600 0 V more than 6000 counts less than 540 counts 30 0 V to 600 0 V 0 1 V 15 Hz f 45 Hz 1 5 rdg 0 5 V 2 0 rdg 0 5 V 3 0 M 5 45 Hz f 66 Hz 0 9 rdg 0 3 V 1 4 rdg 0 3 V 66 Hz f 1...

Page 55: ...g 7 V 45 Hz f 66 Hz 1 5 rdg 7 V 66 Hz f 1 kHz 1 8 rdg 7 V 1000 V 50 V to 1000 V 4 1 V 15 Hz f 45 Hz 1 8 rdg 7 V 45 Hz f 66 Hz 1 5 rdg 7 V 66 Hz f 1 kHz 1 8 rdg 7 V 1 Frequency range of 15 Hz f 20 Hz i...

Page 56: ...V to 6 000 V 0 001 V 0 5 rdg 0 003 V 6 7 M 5 60 00 V more than 6000 counts less than 540 counts 0 00 V to 60 00 V 0 01 V 0 5 rdg 0 03 V 6 1 M 5 600 0 V more than 6000 counts less than 540 counts 0 0 V...

Page 57: ...nt accuracy 600 0 mV 0 mV to 1200 mV 1 mV 1 0 rdg 7 mV 6 000 V 0 00 V to 12 00 V 0 01 V 1 0 rdg 0 07 V 60 00 V 0 0 V to 120 0 V 0 1 V 1 0 rdg 0 7 V 600 0 V 0 V to 1000 V 1 V 1 0 rdg 7 V 1001 V to 1200...

Page 58: ...2 0 rdg 0 023 V DC 6 7 M 5 AC 3 2 M 5 DC 45 Hz f 66 Hz 1 0 rdg 0 023 V 1 5 rdg 0 023 V 66 Hz f 1 kHz 1 5 rdg 0 023 V 0 300 V to 6 000 V 0 001 V 10 Hz f 45 Hz 1 5 rdg 0 013 V 2 0 rdg 0 013 V DC 6 7 M...

Page 59: ...counts 30 0 V to 600 0 V 0 1 V 10 Hz f 45 Hz 1 5 rdg 0 7 V 2 0 rdg 0 7 V DC 6 0 M 5 AC 3 0 M 5 DC 45 Hz f 66 Hz 1 0 rdg 0 7 V 1 5 rdg 0 7 V 66 Hz f 1 kHz 1 5 rdg 0 7 V 1000 V less than 540 counts 50 V...

Page 60: ...g 0 7 V 600 0 V 30 V to 1000 V 2 1 V 10 Hz f 45 Hz 1 5 rdg 7 V DC 45 Hz f 66 Hz 1 0 rdg 7 V 66 Hz f 1 kHz 1 5 rdg 7 V 1000 V 50 V to 1000 V 3 1 V 10 Hz f 45 Hz 1 5 rdg 7 V DC 45 Hz f 66 Hz 1 0 rdg 7 V...

Page 61: ...0 001 Hz 0 1 rdg 0 003 Hz 99 99 Hz more than 9999 counts less than 900 counts 1 00 Hz to 99 99 Hz 0 01 Hz 0 1 rdg 0 01 Hz 999 9 Hz less than 900 counts 1 0 Hz to 999 9 Hz 0 1 Hz 0 1 rdg 0 1 Hz 1 1 Add...

Page 62: ...0 A 20 0 7 rdg 0 005 k 60 00 k more than 6000 counts less than 540 counts 0 00 k to 60 00 k 0 01 k 10 A 20 0 7 rdg 0 05 k 600 0 k less than 540 counts 0 0 k to 600 0 k 0 1 k 1 A 20 0 7 rdg 0 5 k 11 Di...

Page 63: ...00 0 F more than 1100 counts less than 100 counts 0 0 F to 110 0 F 0 1 F 1 A 20 10 A 20 100 A 20 1 9 rdg 0 5 F 1000 F less than 100 counts 0 F to 1100 F 1 F 10 A 20 100 A 20 200 A 20 1 9 rdg 5 F 13 Te...

Page 64: ...58 Accuracy Table...

Page 65: ...f the wire will increase the measured value so that wrapping it once yields a measured value that is twice the actual value and wrapping it twice yields a measured value that is three times the actual...

Page 66: ...trong magnetic field from a source such as a nearby transformer or high current circuit or in the presence of a strong electric field from a source such as a wireless device If there are any wires car...

Page 67: ...Program When the error appears in the display it is necessary to repair the instrument Please contact your authorized Hioki distributor or reseller Err 002 ROM error Adjustment data Err 005 ADC error...

Page 68: ...ent instrument damage or an electric shock use only the screw that are originally installed for securing the battery cover in place If you have lost a screw or find that a screw is damaged please cont...

Page 69: ...ee screws underneath the cover which are used to adjust measured values as doing so may prevent accurate measurement Battery indicator Description Fully charged As the battery charge diminishes black...

Page 70: ...64 Cleaning 4 4 Cleaning To clean the instrument wipe it gently with a soft cloth moistened with water or mild detergent...

Page 71: ...Backlight 26 27 62 Bluetooth 11 29 61 Breaking Disconnection 9 13 60 Buzzer sound 22 27 62 C Capacitance 24 57 Continuity 17 23 55 60 Current 14 33 38 D DC voltage 17 27 50 Diode 17 24 56 Disconnecti...

Page 72: ...Mobile device 11 29 N Noise 20 P PEAK value 19 Polarity detection function 22 27 R Red display 23 Red flash 22 Resistance 17 23 56 Rush current 21 46 S Serial number 12 27 T Temperature 25 57 Test lea...

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Page 76: ...EN EN Instruction Manual Aug 2019 Revised edition 1 CM4141A961 01 19 08H CM4141 CM4142 AC CLAMP METER Instruction Manual Aug 2019 Revised edition 1 CM4141A961 01 19 08H CM4141 CM4142 AC CLAMP METER...

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