Tonghui TH2822 Bedienungsanleitung

Model

Dual Handheld LCR Meter

TH2822/TH2822A/TH2822C

Instruction Manual

Safety Summary

The following safety precautions are

applicable to both operating and

maintenance personnel and must be

observed during all phases of operation,

service, and repair of this instrument.

DO NOT OPERATE IN A FLAMMABLE OR

EXPLOSIVE ATMOSPHERE

Do not operate the instrument in the

presence of much dust, direct sunlight, high

humidity, strong electromagnetic radiation,

etc.

NON-PROFESSIONALS SHUOLD NOT OPEN

THE REAR COVER

Maintaining, substituting parts or adjusting

the instrument should be made by

professional maintenance personnel. Please

contact relevant distributor or Tonghui’s

after-sale service department.

DO NOT REMOVE OR MODIFY THE

INSTRUMENT

Some replacements and unauthorized

modifications might cause irreversible

damage to the instrument.

SAFETY WARNING

Strictly follow the relevant safety statements in

this manual involving safety, personnel injury,

damage to the instrument, operation and

environmental conditions causing poor test.

Safety Guidelines

To ensure that you use this device safely,

follow the safety guidelines listed below:

This meter is for indoor use, altitude up to

2,000 m. For short-time outdoor use,

precautions should be taken to avoid direct

sunlight, water and moisture,

electromagnetic radiation, dust and

explosion.

The warnings and safety precautions should

be read and well understood before the

instrument is used.

Use the meter only as specified in this

manual.

Confirm that the circuits have been powered

off and all capacitors in the circuits been

discharged before measuring in-circuit

components.

Discharge all charging elements, such as

capacitors, before testing.

The power for the meter is supplied with a

single standard 9V battery. But also a line

operation is possible using a power adapter

of 12VDC/150mA. If a power adapter is

selected, please be sure to meet the safety

requirements of a relevant IEC standard.

The battery using in TH2822C is

rechargeable. Do not charge non-

rechargeable batteries.

Safety Symbols

This symbol is a warning and

indicates that the user should refer to

the operating instructions located in

the manual.

D C power

Indicates inside pin is positive (+),

outside is negative (-) .

Environmental Conditions

Operating Environment 0 °C to 40 °C

Storage Humidity

0 – 80% R.H.

Storage Environment

-20 °C to +50 °C

Pollution degree

Contents

Safety Summary........................................................1

Safety Guidelines......................................................3

Introduction...............................................................9

Package Contents...................................................10

Front Panel Overview .............................................12

Front Panel Display Descriptions..................................13

Front Panel Buttons......................................................15

Button Function Definition.............................................16

LCD Display Overview..................................................17

LCD Display Descriptions.............................................17

Special Display Indicators.............................................19

Test Port.......................................................................19

Powering Instrument ..............................................21

Installing Battery...........................................................21

Connecting External Power Source..............................24

Low Battery Indication ..................................................26

Backlight Display ..........................................................27

Charge Display.............................................................28

Operation Instruction..............................................30

Data hold mode (HOLD)...............................................30

Data Record Mode (REC).............................................31

L/C/R/Z Select Mode ....................................................33

D/Q/θ/ESR Select Mode ...............................................34

Test Frequency (FREQ)................................................34

Tolerance Mode (TOL) .................................................35

Auto LCR Mode............................................................37

Measurement Rate (RATE) ..........................................39

Series/parallel Equivalent Mode ...................................39

Utility Menu (UTIL)........................................................41

Clear Functions (CLEAR).............................................52

Remote Control (RMT) .................................................56

Fuse Detection..............................................................56

Quick Start Guide....................................................58

CAUTION......................................................................58

Inductance Measurement.............................................59

Capacitance Measurement...........................................62

Resistance Measurement.............................................64

Impedance Measurement.............................................66

Remote Communication.........................................67

Connecting Instrument to PC........................................67

Virtual Serial Port Configuration....................................68

RMT Operation.............................................................69

Command Protocols.....................................................71

Command Reference....................................................77

Specifications..........................................................84

General Specifications..................................................84

Accuracy Specifications................................................87

Maintenance ............................................................94

Service..........................................................................94

Cleaning........................................................................95

Limited Warranty.....................................................96

Introduction

TH2822 series are designed for measuring inductance,

capacitance and resistance components. The

instrument can be powered by a 9V battery or external

power adapter. The meter is not only applicable to the

application occasion of bench meters but also

conveniently used in the flow inspect and handheld

measurement occasions.

TH2822 series provide the primary parameter of up to

40,000 readings, secondary parameter of 0.0001

reading resolution, the maximum measuring

frequency of up to 100kHz, constant internal

resistance of 100Ωand testing level of 0.6Vrms. The

auto range can rapidly display the measuring results

and automatically choose the desirable testing

parameters in accordance with components properties.

Its measuring accuracy is up to 0.25%.

Front panel push buttons maximize the convenience

of function and feature selection such frequency, rate

and L/C/R/Z selection. Tolerance mode can sort

components, record mode aid to capture readings,

convenient open/short clear function improve the

measuring accuracy, utility menu help you easily take

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