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East Tester ET3255 User Manual

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ET3240
4%
Benchtop
Digital
Multimeter
ET3255
5%
Benchtop
Digital
Multimeter
User’s
Manual
Hangzhou
Zhongchuang
Electronics
Co.
Ltd.
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East Tester ET3255 Specifications

General IconGeneral
Diode TestYes
Continuity TestYes
Duty Cycle0.1% to 99.9%
Temperature Range-40°C to 1000°C
Operating Temperature0°C to 40°C
Power Supply9V battery
Frequency Range10Hz to 10MHz
Storage Temperature-10°C to 50°C

Summary

Safety Precautions

Safety Precautions (Continued)

Introduction

Key Features Overview

Highlights of the multimeter's capabilities including display, measurement functions, and accuracy.

Keys Introduction

Turning On the Multimeter

Basic Measurement Functions

DC Voltage Measurement

Step-by-step guide for performing DC voltage measurements, including wiring and range selection.

AC Voltage Measurement

Step-by-step guide for performing AC voltage measurements, including wiring and range selection.

Basic Measurement Functions (Continued)

DC Current Measurement

Instructions for DC current measurement, including terminal selection and range.

2-Wire Resistance Measurement

Steps for performing 2-wire resistance measurements, including wiring and range selection.

4-Wire Resistance Measurement

Steps for performing 4-wire resistance measurements, including wiring and range selection.

Period Measurement

Steps for measuring signal period, including wiring and range selection.

On-Off Measurement

Steps for continuity testing, including threshold setting and buzzer indication.

Duty Cycle Measurement

Steps for measuring duty cycle, including wiring and range selection.

AC Current Measurement

Instructions for AC current measurement, including terminal selection and range.

Frequency Measurement

Steps for measuring frequency, including wiring and range selection.

Diode Measurement

Steps for testing diodes, including voltage thresholds and wiring.

Capacitance Measurement

Steps for measuring capacitance, including wiring and range selection.

Additional Measurement Functions

Additional Measurement Functions (Continued)

Calibration

DC Voltage Calibration Procedure

Provides methods and detailed steps for calibrating DC voltage ranges.

Calibration (Continued)

DC Current Calibration

Explains entering DC current calibration and lists required calibration values.

Maintenance and Upkeep

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