Unit UT804 Manuel utilisateur

PMS 425C PMS 1797C

Bench Type

Digital Multimeter

UT804

P/N: 41451520

Model UT804

OPERATING MANUAL

Chapter Title Page

Model UT804: OPERATING MANUAL

Table of Contents

1. Before You Start

Overview

Unpacking Inspection

Safety Information

Rules For Safe Operation

International Electrical Symbols

2. Getting Acquainted

Turning the Meter On

Battery Considerations

Automatic Power Off

Automatic Backlight Off

Low Battery Indication

The Meter Structure

Rotary Switch

Functional Buttons

The Meter Functions Vs Displays

Selecting the Range

Understanding the Display

Analogue Bar Graph

Using MAX MIN

3. Making Measurements

A.Measuring DC Voltage

B.Measuring AC Voltage

Model UT804: OPERATING MANUAL

Chapter Title Page

Table of Contents

C.Measuring DC Millivoltage

D.Measuring Currents

E.Measuring Resistance

F.Testing for Continuity

G.Testing Diodes

H.Measuring Capacitance

I. Measuring Frequency / Duty Cycle

J.Measuring Temperature

K.4~20mA loop current as % readout

4. Using Stores, Recall and Send Features

Introduction

Storing and Clearing Readings

Recalling Stored Readings

Using Send

5. Changing the Default Setting

Introduction

Selecting Setup Options

Saving Setup Options

6. Maintenance

A.General Service

B.Replacing the Fuses

C.Replacing the Battery

Model UT804: OPERATING MANUAL

Chapter Title Page

Table of Contents

Diode Test

Capacitance

7. Specifications

Safety and Compliances

Physical Specifications

General Specifications

Feature Summary

Basic Specifications

Detailed Accuracy Specifications

A. DC Voltage

B. AC Voltage

C. DC Current

D. AC Current

E. Resistance

F. Continuity Test

I. Frequency

J. Duty Cycle

K. Temperature

1-1. Degrees Celsius

1-2. Fahrenheit

L. 4~20mA loop current

Model UT804: OPERATING MANUAL

Table Title Page

List of Tables

1-1 Unpacking Inspection

1-2 International Electrical Symbols

2-1 Rotary Switch Selections

2-2 Functional Buttons

2-3 Functions Vs Displays

2-4 Display Features

5-1 Setup Selections

Model UT804: OPERATING MANUAL

Table Title Page

List of Tables

2-1 Meter Structure

2-2 Display Features

3-1 DC Voltage Measurement

3-2 AC Voltage Measurement

3-3 DC Millivoltage Measurement

3-4 DCµA Currents Measurement

3-5 ACµA Currents Measurement

3-6 DCmA Currents Measurement

3-7 ACmA Currents Measurement

3-8 DCA Currents Measurement

3-9 ACA Currents Meaasurement

3-10 Resistance Measurement

3-11 Continuity Test

3-12 Diode Test

3-13 Capacitance Measurement

3-14 Frequency / Duty Cycle Measurement

3-15 Temperature Measurement

3-16 4~20mA loop current as % readout

6-1 Fuse Replacement

6-2 Battery Replacement

Model UT804: OPERATING MANUAL

Overview

This Operating Manual covers information on safety

and cautions. Please read the relevant information

carefully and observe all the Warnings and Notes

strictly.

Warning

To avoid electric shock or personal injury, read the

“Safety Information” and “Rules for Safe Operation”

carefully before using the Meter.

Bench Type Digital Multimeter UT804 (hereafter referred

to as “the Meter”) is a 40000 counts and 4 3/4 digits

with steady operations, fashionable structure and auto

ranging instrument. It not only can measureAC voltage

and current, DC voltage and current, Resistance,

Capacitance, Temperature, Frequency, Diodes,

Continuity, 4~20mA Loop, Max/Min, Relative Mode but

also has Setup, Data Store, Data Recall,AC True RMS

or AC+DC Voltage and Current, Low Battery Display,

Chapter 1

Before You Start

White Colour Display Backlight, Data Hold, Automatic

Power Off and full overload protection.

Item Description Qty

Model UT804: OPERATING MANUAL

Unpacking Inspection

Open the package case and take out the Meter. Check the items shown on Table 1-1 carefully to see any missing

or damaged part:

In the event you find any missing or damage, please contact your dealer immediately.

English Operating Manual

Test Lead

K-Type (nickel chromium ~ nickel silicon) Point Contact Temperature Probe (It is

only suitable for measuring temperature under 230oC

Alligator Clip

Test Clip

USB interface cable

RS232C interface cable

CD-ROM (Installation Guide & Computer Interface Software)

1.5V Battery (R14)

AC220V/50Hz Power Cable

1 piece

1 pair

1 piece

1 pair

1 piece

6 pieces

1 piece

Table 1-1. Unpacking Inspection

Model UT804: OPERATING MANUAL

Safety Information

This Meter complies with the standards IEC61010 safety

measurement requirement: in pollution degree 2,

overvoltage category (CAT. II 1000V, CAT.II 600V) and

double insulation.

CAT. I: Signal level, special equipment or parts of

equipment, telecommunication, electronic, etc., with

smaller transient overvoltages than overvoltages CAT.

II.

CAT. II: Local level, appliance, PORTABLE EQUIPMENT

etc., with smaller transient voltage overvoltages than

CAT. III

Use the Meter only as specified in this operating manual,

otherwise the protection provided by the Meter may be

impaired.

In this manual, a Warning identifies conditions and

actions that may pose hazards to the user, or may

damage the Meter or the equipment under test.

A Note identifies the information that user should pay

attention to.

Rules For Safe Operation

Warning

To avoid possible electric shock or personal injury,

and to avoid possible damage to the Meter or to the

equipment under test, adhere to the following rules:

Before using the Meter inspect the case. Do not

use the Meter if it is damaged or the case (or part

of the case) is removed. Look for cracks or

missing plastic.

Inspect the test leads for damaged insulation or

exposed metal. Check the test leads for continuity.

Replace damaged test leads with identical model

number or electrical specifications before using

the Meter.

Do not apply more than the rated voltage or

current, as marked on the Meter, between the

International electrical symbols used on the Meter and

in this Operating Manual are explained on page 8.

Table des matières

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