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Manuals
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Tenma Manuals
Multimeter
72-7745
Operating manual
Tenma 72-7745 Operating Manual
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Contents
Table of Contents
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Table of Contents
Table of Contents
Overview
Unpacking Inspection
Safety Information
Rules for Safe Operation
International Electrical Symbols
The Meter Structure
Rotary Switch
Functional Buttons
Display Symbols
Measurement Ranges
Manual Ranging and Autoranging
Measurement Operation A. DC Voltage Measurement
AC Voltage Measurement
Measuring Resistance
Testing for Continuity
Testing Diodes
Capacitance Measurement
Frequency Measurement
Measuring Duty Cycle
Temperature Measurement
DC or AC Current Measurement
The Use of Relative Value Mode
Operation of Hold Mode
The BLUE Button
Turning on the Display Backlight
The POWER Button
Sleep Mode (Model 72-7740 Only)
General Specifications
Accuracy Specifications
AC Voltage
Resistance
Continuity Test
Diode Test
Capacitance
Frequency & Duty Cycle
Temperature
DC Current
AC Current
Maintenance
Testing the Fuses
Replacing the Battery
Replacing the Fuses
RS232C Port Cable
Setting of RS232C Serial Ports
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Capacitance Measurement
2
Accuracy Specifications
3
Replacing the Battery
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Table of Contents
Title
Overview
Unpacking Inspection
Safety Information
Rules For Safe Operation
International Electrical Symbols
The Meter Structure
Rotary Switch
Functional Buttons
Display Symbols
Measurement Ranges
A.
Selecting a Measurement Range
B.
Manual Ranging and Autoranging
Measurement Operation
A.
DC Voltage Measurement
B.
AC Voltage Measurement
C.
Measuring Resistance
D.
Testing for Continuity
E.
Testing Diodes
F.
Capacitance Measurement
G.
Frequency Measurement
H.
Measuring Duty Cycle
I.
Temperature Measurement
J.
DC or AC Current Measurement
Operation of Hold Mode
The Use of Relative Value Mode
The POWER Button
The BLUE Button
Turning on the Display Backlight
Sleep Mode (Model 72-7740 only)
General Specifications
Accuracy Specifications
A.
DC Voltage
B.
AC Voltage
C.
Resistance
D.
Continuity Test
Model 72-7740/72-7745: OPERATING MANUAL
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