Unit UT804 Manuel utilisateur
PMS 425C PMS 1797C
Bench Type
Digital Multimeter
UT804
P/N: 41451520
Model UT804
OPERATING MANUAL
Chapter Title Page
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Model UT804: OPERATING MANUAL
1
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
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Model UT804: OPERATING MANUAL
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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
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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
G.
H.
I. Frequency
J. Duty Cycle
K. Temperature
1-1. Degrees Celsius
1-2. Fahrenheit
L. 4~20mA loop current
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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
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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
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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.
7
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.
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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 piece
1 pair
1 piece
1 piece
1 piece
6 pieces
1 piece
Table 1-1. Unpacking Inspection
8
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
l
l
l
International electrical symbols used on the Meter and
in this Operating Manual are explained on page 8.
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