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AEMC 725 User Manual

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Clamp-On Harmonic Probe
Model 725
USER MANUAL
AEMC
INSTRUMENTS
®
P
AEMC
INSTRUMENTS
RECORD-PAUSE MAX MIN AVG
SMOOTH THDF CFF RIPPLE AC + DC
RANGE
%
kHz
AV%
RMS
PEAK
AV
34 521
0
600
AV
+
+
!
TDHF K FACTOR
ODD
HOLD
Model 725
HARMONIC METER
OFF
A
~
A
V
V
~
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AEMC 725 Specifications

General IconGeneral
CategoryMeasuring Instruments
Model725
ManufacturerAEMC
AC Voltage600 V
DC Voltage600 V
Data LoggingYes
HarmonicsYes
THDYes
BluetoothNo
ContinuityYes
Diode TestYes
Battery Type9V
Safety RatingCAT III 600 V
TypeClamp Meter
DisplayLCD
PowerYes
Battery Life200 hours

Summary

Warning

International Electrical Symbols

Description

Specifications

ELECTRICAL SPECIFICATIONS

Detailed electrical parameters including input ranges, accuracy, and reference conditions.

AC Voltage (TRMS)

Specifications for AC voltage measurements, including input range, impedance, and frequency.

DC Current

Specifications for DC current measurements, including input range and basic accuracy.

DC Voltage

Specifications for DC voltage measurements, including input range, impedance, and accuracy.

Total Harmonic Distortion (%THD)

Specifications for Total Harmonic Distortion (THD) measurements.

Distortion Factor (%DF)

Specifications for Distortion Factor (DF) measurements.

Individual Harmonics

Specifications for measuring individual harmonic orders.

Transformer Harmonic Derating Factor (CBEMA THDF)

Specifications for Transformer Harmonic Derating Factor (THDF).

Transformer K-Factor Rating

Specifications for Transformer K-Factor Rating.

Ripple

Specifications for Ripple measurements.

Crest Factor (CF)

Specifications for Crest Factor (CF) measurements.

Frequency (Hz)

Specifications for Frequency (Hz) measurements.

General Specifications

General specifications including dimensions, weight, battery life, and operating conditions.

Material

Details on the materials used for the instrument's case, jaws, and lens.

Mechanical

Mechanical specifications including envelope protection, drop test, and vibration resistance.

Safety

Safety standards and protection levels met by the instrument.

Electromagnetic Compatibility

Electromagnetic compatibility standards for electrostatic discharge, RF, and transients.

Model 725 Controls

Jaw assembly

Description of the transformer jaws and their capacity.

Rotary selection switch

Explanation of the main rotary switch for selecting measurement functions.

Lever/trigger

Function of the lever/trigger for opening or closing the jaws.

HOLD

Functionality of the HOLD button to freeze readings.

Input

Description of the color-coded voltage input connectors.

Display

Description of the dual liquid crystal display.

MIN/MAX

Functionality for recording minimum, maximum, and average values.

SMOOTH

Functionality of the SMOOTH button for 3-second averaging.

Hz

Functionality of the Hz button for frequency measurement.

RANGE

Functionality of the RANGE button for manual range selection.

HARM

Functionality of the HARM button for harmonic measurements.

: Hdc, H 01-H 25

Specific harmonic measurement modes for individual harmonics.

Shift

Functionality of the yellow Shift button.

Digital Display Features

A~

Indicates True RMS amperes measurement.

V~

Indicates True RMS volts measurement.

V===

Indicates DC volts measurement.

A===

Indicates DC amperes measurement.

SMOOTH

Indicates three-second measurement averaging.

RANGE

Indicates manual range selection.

HOLD

Indicates the hold function is activated.

RECORD

Indicates the record mode is activated.

PAUSE

Indicates recording mode interruption.

MAX

Indicates the maximum measurement value.

MIN

Indicates the minimum measurement value.

AVG.

Indicates the average measurement value.

%THD

Indicates Total Harmonic Distortion percentage.

THDF

Indicates Transformer Harmonic Derating Factor.

K Factor

Indicates Transformer K Factor.

%DF

Indicates Distortion Factor percentage.

% Ripple

Indicates percent ripple on DC signal.

CF

Indicates Crest Factor.

PEAK

Indicates Peak measurement value.

H xx

Indicates individual harmonic order.

ODD

Indicates odd order harmonics only.

AC + DC

Indicates measurement includes AC and DC components.

P

Indicates Auto-Off feature disabled.

Bar Graph

Analog bar graph for trend measurements.

Display and Error Indications

OL

Indicates input overload condition.

!

Indicates input signal below range or exceeds safety limits.

General Measurement Notes

Beeper On/Off

How to control the beeper function.

AC or DC+AC

How to select between AC and AC+DC measurement modes.

Odd/all harmonics

How to select odd harmonics or all harmonics display.

Auto power off

How to enable or disable the auto power off feature.

Record clock function

How to enable the record clock function.

Primary/secondary display location

How to toggle the primary and secondary display locations.

Full function display

How to view the full function display.

Reset to default conditions

How to reset the instrument to default settings.

AC Voltage Measurements

OBSERVE ALL SAFETY PRECAUTIONS AND WARNINGS

Crucial safety guidelines to follow before performing AC voltage measurements.

Operating Procedure

Step-by-step instructions for performing AC voltage measurements.

AC Current Measurements

OBSERVE ALL SAFETY PRECAUTIONS AND WARNINGS

Crucial safety guidelines to follow before performing AC current measurements.

Operating Procedure

Step-by-step instructions for performing AC current measurements.

DC Voltage Measurements

OBSERVE ALL SAFETY PRECAUTIONS AND WARNINGS

Crucial safety guidelines to follow before performing DC voltage measurements.

Operating Procedure

Step-by-step instructions for performing DC voltage measurements.

DC Current Measurements

OBSERVE ALL SAFETY PRECAUTIONS AND WARNINGS

Crucial safety guidelines to follow before performing DC current measurements.

Operating Procedure

Step-by-step instructions for performing DC current measurements.

HARM Push Button: Harmonic Measurements

Display Location: Primary/Secondary

How to toggle between primary and secondary display locations for harmonic analysis.

Measuring Individual Harmonics

Displaying Odd & Even Harmonics or Odd Harmonics Only

Measuring the K Factor

Total Harmonic Distortion (%THD)

Distortion Factor (%DF)

CF: Crest Factor

Range Push Button: Manual Ranges

In Amps

How to select manual ranges for current (Amps).

In Volts

How to select manual ranges for voltage (Volts).

Hz Push Button: Frequency Measurement

Harmonic Frequency Measurements

Measuring frequencies of individual harmonics in HARM mode.

Peak/Smooth

Peak

Explanation of the Peak function for measuring instantaneous values.

Smooth

Explanation of the Smooth function for stabilizing readings.

MIN/MAX Push Button: Recording Function

Recording With Time Indication

K Factor

THDF (Transformer Harmonic Derating Factor)

Battery Test & Replacement

Auto-Off

Troubleshooting

Repair, Maintenance & Calibration

Technical Assistance

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