Unit UT211 Manual de usuario

Table of Contents

Title Page

Overview

Unpacking Inspection

Safety Information

Rules For Safe Operation

International Electrical Symbols

The Meter Structure

Functional Buttons

Display Symbols

Measurement Operation

A. DC & AC Voltage Measurement

B. AC Current Measurement

C. Measuring Resistance

D. Frequency and Duty Cycle Measurement

E. Operation of Hold Mode

General Specifications

Accuracy Specifications

A. DC Voltage

Model UT211: OPERATING MANUAL

Title Page

B. AC Voltage

C. AC Current

D. Resistance

E. Frequency

F. Duty Cycle

Maintenance

A. General Service

B. Replacing the Battery

Model UT211: OPERATING MANUAL

Overview

Warning

This Operating Manual covers information on safety and cautions. Please read the

relevant information carefully and observe all the Warnings and Notes strictly.

To avoid electric shock or personal injury, read the “Safety Information” and “Rules

for Safety Operation” carefully before using the Meter.

The Model UT211 (hereafter referred to as “the Meter”) are a 3999 counts 3 3/4 digits

auto clamp multimeter, they auto sense onAC & DC voltage,AC current and resistance

measurement. They have full range overload protection and special outlook design.

They are such a smart electrical testing clamp meter.

It equips also with frequency, duty cycle, low battery display and data hold features.

Model UT211: OPERATING MANUAL

Unpacking Inspection

Open the package case and take out the Meter. Check the following items carefully

to see any missing or damaged part:

Item Description Qty

2Operating Manual

Test Lead 1 piece

1 pair

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

9V Battery (NEDA 1604, 6F22 or 0006P)

(installed inside the Meter) 1 piece3

Model UT211: OPERATING MANUAL

Safety Information

This Meter complies with the standards IEC61010: in pollution degree 2, overvoltage

category (CAT. II 600V / CAT III 300V) and double insulation.

CAT II: Local level, appliance, PORTABLE EQUIPMENT etc., with smaller transient

voltage overvoltages than CAT. III

CAT. III: Distribution level, fixed installation, with smaller transient overvoltages than

CAT. IV.

Under the influence of Radiated, Radio-Frequency Electromagnetic Field phenomenon,

the UT211 may malfunction and can self-recover after the test.

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 pose hazards to the

user, or may damage the Meter or the equipment under test.

Model UT211: OPERATING MANUAL

A Note identifies the information that user should pay attention on.

International electrical symbols used on the Meter and in this Operating Manual are

explained on page 9.

Model UT211: OPERATING MANUAL

Warning

Rules For Safe Operation

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:

Check for the lever is in good condition when measuring AC current.

Must center the wire (conductor) within the transformer jaw.

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. Pay attention to the insulation around the connectors.

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 600V, between the terminals or

between any terminal and grounding.

When the Meter working at an effective voltage over 60V in DC or 30V in AC,

special care should be taken for there is danger of electric shock.

When using the test leads, keep your fingers behind the finger guards.

Model UT211: OPERATING MANUAL

Disconnect circuit power and discharge all high-voltage capacitors before

testing resistance.

Replace the battery as soon as the battery indicator appears or no display

when turning on the Meter. With a low battery, the Meter might produce

false readings that can lead to electric shock and personal injury.

Before carrying out any measurement, make sure the Meter is in good

condition after turning it on.

When servicing the Meter, use only the same model number or identical

electrical specifications replacement parts.

The internal circuit of the Meter shall not be altered at will to avoid damage

of the Meter and any accident.

Soft cloth and mild detergent should be used to clean the surface of the

Meter when servicing. No abrasive and solvent should be used to prevent

the surface of the Meter from corrosion, damage and accident.

Turn the Meter off when it is not in use and take out the battery when not

using for a long time.

Constantly check the battery as it may leak when it has been using for some

time, replace the battery as soon as leaking appears. A leaking battery will

damage the Meter.

Model UT211: OPERATING MANUAL

International Electrical Symbols

Do not use or store the Meter in an environment of high temperature, humidity,

explosive, inflammable and strong magnetic field. The performance of the

Meter may deteriorate after dampened.

Deficiency of Built-In Battery

AC or DC

Grounding

The allowed removable dangerous voltages existed between the leads.

Conforms to Standards of European Union

Warning. Refer to the Operating Manual

Double Insulated

Model UT211: OPERATING MANUAL

The Meter Structure (see figure 1)

(figure 1)

1. Transformer Jaws designed to pick up the AC

current flowing through the conductor.

2. LCD Display.

3. Function Buttons

4. Input Terminals

Functional Buttons

Button Operation Performed

Hz/%

HOLD

Press to select Frequency or Duty Cycle measurement mode.

Press HOLD to enter the Hold mode in any mode

Press to turn the Meter on and off.

(POWER)

Below table indicated for information about the functional

button operations.

Model UT211: OPERATING MANUAL

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