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Voltage Measurement

Typical Measurements and Accuracy

(cont’d)

AC Voltage VFD

Range

Accuracy at

10 Hz to 20 Hz

Accuracy at

20 Hz to 200 Hz

Accuracy at

200 Hz to 400 Hz*

6.000 V ± (4.0% + 0.080 V) ± (2.0% + 0.060 V) ± (7.0% + 0.080 V)
60.00 V ± (4.0% + 0.80 V)

± (2.0% + 0.60 V)

± (7.0% + 0.80 V)

600.0 V ± (4.0% + 8.0 V)

± (2.0% + 6.0 V)

± (7.0% + 8.0 V)

1000 V ± (4.0% + 80 V)

± (2.0% + 60 V)

± (7.0% + 80 V)

* Accuracy linearly decreases from a value of (2% + 60 digits) at 200 Hz

to (7% + 80 digits) at 400 Hz.

AC Voltage

Range

Accuracy at

50 Hz to 400 Hz

6.000 V ± (1.2% + 0.005 V)
60.00 V ± (1.2% + 0.05 V)
600.0 V ± (1.2% + 0.5 V)

1000 V ± (1.2% + 5 V)

DC Voltage

Range

Accuracy

6.000 V ± (0.5% + 0.005 V)
60.00 V ± (0.5% + 0.05 V)
600.0 V ± (0.5% + 0.5 V)

1000 V ± (0.5% + 5 V)

AC + DC Voltage

Range

Accuracy at DC,

50 Hz to 400 Hz

6.000 V ± (1.4% + 0.007 V)
60.00 V ± (1.4% + 0.07 V)
600.0 V ± (1.4% + 0.7 V)

1000 V ± (1.4% + 7 V)

Input Impedance: 10 MΩ, 50 pF nominal

VFD

SELECT

Содержание 783310021865

Страница 1: ...all of the instructions and safety information in this manual before operating or servicing this tool INSTRUCTION MANUAL CMI 2000 Clamp Meter 99 Washington Street Melrose MA 02176 Phone 781 665 1400 Toll Free 1 800 517 8431 Visit us at www TestEquipmentDepot com ...

Страница 2: ...of 5 ms in duration Zero Mode Auto Power Off Automatic and manual ranging Backlit dual display LCD Safety Safety is essential in the use and maintenance of Greenlee tools and equipment This instruction manual and any markings on the tool provide information for avoiding hazards and unsafe practices related to the use of this tool Observe all of the safety information provided Purpose of This Manua...

Страница 3: ...f it is wet or damaged Clamp meter test leads or any other clamp accessory when used to make a measurement create a System The System is rated for CAT IV 1000 V when using the test leads or accessories provided with the meter The System CAT and voltage rating is limited by the lowest rated component in the System when using test leads or accessories not provided with the meter Inspect the test lea...

Страница 4: ...t near equipment that generates electromagnetic interference can result in unstable or inaccurate readings Failure to observe these warnings could result in severe injury or death Electric shock hazard Do not change the measurement function while the test leads are connected to a component or circuit Do not clamp the jaw around a conductor carrying a frequency greater than 400 Hz The magnetic circ...

Страница 5: ...egative common or ground input terminal 7 Refer to explanation under Using the Features 8 Jaw lever 9 Keep hand or fingers below the dashed line during operation 10 Jaw Symbols on the Unit Warning Read the instruction manual Warning Risk of electric shock Earth ground Double insulation AC alternating current DC direct current Application around or removal from hazardous live conductors is permitte...

Страница 6: ...mpere 10 V Volt 11 Relative zero function is enabled 12 Polarity indicator 13 LoZ Low impedance 14 AC measurement is selected 15 DC measurement is selected 16 VFD AC measurement with filter for accuracy on variable frequency drives 17 Diode 18 Continuity 19 Crest mode is enabled 20 MAX Maximum value being displayed 21 Hold function is selected 4 19 21 16 18 14 12 13 11 15 5 9 10 6 7 8 1 2 3 ...

Страница 7: ... between MAX and MAX HOLD Press the CREST button for a minimum of 1 second and release to exit Crest Max Mode Auto ranging and APO are disabled automatically in this mode Auto Power Off APO Turns the meter off automatically to extend battery life after approximately 34 minutes of no rotary switch or pushbutton operations To wake up the meter from APO press the SELECT button momentarily and release...

Страница 8: ...onal This allows the user the ability to connect the meter to a computer for data capture and real time monitoring of the meter s output The connection is made via RS 232 or USB Press and hold the HOLD button while turning the rotary switch to the ON position to activate the logging function Using the Test Leads Electric shock hazard The test leads supplied with this product comply with safety sta...

Страница 9: ...orms and Crest Factors Waveform RMS Value 100 100 100 100 Average Value 90 100 87 64 Crest Factor x 1 414 1 1 73 2 The crest factor is the ratio of the peak value to the RMS value it is represented by the Greek letter x AC DC True RMS AC DC true RMS calculates both of the AC and DC components given by the expression when making measurements and responds accurately to the total effective RMS value ...

Страница 10: ...he icons In the table VHz indicates that and V appear in the primary display and Hz appears in the secondary display This combination shows the AC voltage measurement in the primary display and frequency in the secondary display To measure this value Set the selector to this symbol Press SELECT until these icons appear on the display Connect the red lead to Connect the black lead to AutoCheck Auto...

Страница 11: ... 200 0 A 10 0 A 20 Hz 400 Hz 2000 A 100 A 6 000 V VFD 0 6 V 2 4 V 10 Hz 400 Hz 60 00 V VFD 6 V 24 V 600 0 V VFD 60 V 240 V DC bias must be less than 50 of the Sine RMS value If DC bias is present it shall not exceed 100 V Sensitivity decreases from 10 full scale at 200 Hz to 40 full scale at 400 Hz AutoCheck Measurements AC Voltage AutoCheck Mode Range Accuracy at 50 Hz to 60 Hz 6 000 V 1 5 0 005 ...

Страница 12: ... 0 80 V 2 0 60 V 7 0 80 V Accuracy linearly decreases from a value of 2 60 digits at 200 Hz to 7 80 digits at 400 Hz AC Voltage Range Accuracy at 50 Hz to 400 Hz 6 000 V 1 2 0 005 V 60 00 V 1 2 0 05 V 600 0 V 1 2 0 5 V 1000 V 1 2 5 V DC Voltage Range Accuracy 6 000 V 0 5 0 005 V 60 00 V 0 5 0 05 V 600 0 V 0 5 0 5 V 1000 V 0 5 5 V AC DC Voltage Range Accuracy at DC 50 Hz to 400 Hz 6 000 V 1 4 0 007...

Страница 13: ...ified 3 0 5 A unspecified DC Current Range Accuracy Range Accuracy 200 0 A 0 0 A to 200 0 A 2 0 0 5 A 2000 A 0 A to 500 A 2 0 5 A 500 A to 2000 A 3 0 5 A AC DC Current Range Accuracy Range Accuracy at 40 Hz to 50 Hz Accuracy at 50 Hz to 60 Hz Accuracy at 60 Hz to 400 Hz 200 0 A 0 0 A to 200 0 A 3 5 0 8 A 3 0 0 8 A 3 5 0 8 A 2000 A 0 A to 1000 A 3 5 8 A 3 0 8 A 3 5 8 A 1000 A to 2000 A unspecified ...

Страница 14: ...45 VDC Continuity Tone Threshold Between 10 Ω and 200 Ω Response Time Approximately 32 ms μF or nF Capacitance Measurement Capacitance Range Accuracy 60 00 nF 2 0 0 05 nF 600 0 nF 2 0 0 5 nF 6 000 μF 2 0 0 005 μF 60 00 μF 3 5 0 05 μF 600 0 μF 3 5 0 5 μF 2000 μF 4 0 5 μF For film capacitors capacitors with negligible dielectric absorption Reverse Bias Forward Bias SELECT Diode Measurement Diode Tes...

Страница 15: ...e with RS 232 to USB adaptor with applicable cables customized battery door that replaces stan dard battery door and Graphical User Interface GUI installation CD It allows measurements to be logged to a PC using Microsoft Windows operating system Installing the Software 1 Insert the CD into the computer s CDROM drive 2 The installation program should launch automatically If it does not double clic...

Страница 16: ...an RF field of 3V m Capacitance function is not specified Other Function Ranges Total Accuracy Specified Accuracy 200 digits Performance above 3 V m is not specified Safety Double insulation per UL IEC EN61010 1 Ed 2 3 IEC EN61010 2 030 Ed 1 CAN CSA C22 2 No 61010 1 Ed 2 3 IEC EN61010 2 032 Ed 2 and IEC EN61010 031 Ed 1 1 to CAT IV 1000V AC DC Overload Protections Clamp on Jaws 2000 A RMS continuo...

Страница 17: ...ystems and the main circuit breaker panels of a building s electrical system Measurement Category IV Primary supply level Overhead lines and other cable systems Some examples include cables meters transformers and other exterior equipment owned by the power utility Maintenance Electric shock hazard Before opening the case remove the test leads from the circuit and shut off the unit Failure to obse...

Страница 18: ...e excepting normal wear and abuse This warranty is subject to the same terms and conditions contained in Greenlee Textron Inc s standard one year limited warranty For items not covered under warranty such as items dropped abused etc a repair cost quote is available upon request Note Prior to returning any test instrument please check replaceable batteries or make sure the battery is at full charge...

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