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isweek M9803R User Manual

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BenchMultimeter
UsersManual
M9803R
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isweek M9803R Specifications

General IconGeneral
ContinuityYes
Diode TestYes
hFE TestYes
Data HoldYes
Auto Power OffYes
Power Supply9V battery
AC Current20mA/200mA/20A
DisplayLCD
Temperature Range1000°C
DC Voltage200mV/2V/20V/200V/1000V ±(0.5%+3)
DC Current2mA/20mA/200mA/20A
Resistance200Ω/2kΩ/20kΩ/200kΩ/2MΩ/20MΩ
Capacitance2nF/20nF/200nF/2uF/20uF ±(4.0%+3)

Summary

Introduction to the Bench Multimeter

Safety Precautions

General Safety Practices

Essential safety practices and warnings for operating the multimeter safely.

Safety Information

Compliance and Standards

Details multimeter compliance with Protection Class II, Overvoltage CAT II, and Pollution Degree 2.

Chapter 1: A Quick Tour

Symbol Explanation

Explanation of symbols and indicators used on the multimeter display and interface.

Instrument Layout

Front Panel Layout

Diagram and labels identifying the physical components and input terminals of the multimeter.

Input Terminals Explained

Basic Controls and Operation

Component Identification

Identifies and describes the LCD display, battery cover, power inlet, and power switch.

Using the Rotary Switch

Instructions on how to turn on and select functions using the rotary switch.

Using the Buttons

Backlight and Function Selector

Explains the operation of the backlight and function selector buttons.

Data Hold and Delay Functions

Relative Display Mode

Range and Data Memory Functions

RS232C Communication

Buzzer Output

Low Battery Indication

Chapter 2: Making Measurements

Measurement Introduction and Preparation

Provides an introduction to measurements and emphasizes pre-measurement inspection.

Measuring DC Volts

DC Volts Measurement Procedure

Detailed procedure for connecting leads, selecting ranges, and taking DC voltage readings.

Measuring AC Volts

AC Volts Measurement Procedure

Detailed procedure for connecting leads, selecting ranges, and taking AC voltage readings.

Measuring DC and AC Amps

DC/AC Amps Measurement Procedure

Procedure for connecting in series, selecting ranges, and taking DC/AC current readings.

Measuring DC and AC Milliamps

DC/AC Milliamps Measurement Procedure

Procedure for connecting in series, selecting ranges, and taking DC/AC milliamp readings.

Measuring Frequency and Adaptive

Frequency and Adaptive Measurement Procedures

Procedures for frequency measurement and adaptive (ADP) voltage measurement.

Measuring Capacitance

Capacitance Measurement Procedure

Procedure for measuring capacitance, including safety precautions for discharging capacitors.

Testing Diodes

Diode Test Procedure

Procedure for performing a diode test, including polarity and expected voltage drops.

Measuring Resistance and Continuity

Resistance Measurement Procedure

Procedure for measuring resistance, including lead resistance compensation.

Continuity Measurement Procedure

Procedure for performing continuity tests, including audible tone indication.

Chapter 3: Specifications

General Specifications

Provides general technical specifications like display, measuring rate, and annunciators.

Operating Conditions and Physical Specs

DC Voltage Resolution and Accuracy

AC Voltage Resolution and Accuracy

DC and AC Current Resolution and Accuracy

Resistance Resolution and Accuracy

Continuity and Diode Test Specs

Capacitance Resolution and Accuracy

Frequency Counter and Adapted Range Specs

Chapter 4: Maintenance

Maintenance Introduction

General statement about servicing being performed by qualified personnel only.

Replacing the Battery

Procedure for replacing the multimeter's battery when the low battery indicator appears.

Fuse Replacement

Replacing the Power Fuse

Other Notes and Cleaning