UNI-T UT371, UT372 Operating Manual

Model UT371/372

OPERATING MANUAL

TABLE OF CONTENTS
TITLE PAGE

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Overview
Unpacking Inspection
Safety Information
Rules For Safe Operation
International Electrical Symbols
The Meter Structure
Functional Buttons
Setup
Display Symbols
Measurement Operation
A. RPM Measurement
B. Counts
C. Data Transferring and USB

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TABLE OF CONTENTS
TITLE PAGE

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Specifications
A. General Specifications
B. Environmental Requirements
Accuracy Specifications
A. RPM
B. Counts
Maintenance
A. General Service
B. Replacing the Battery

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Model UT371 and UT372 is a stable, safe and reliable digital non-contact Tachometer.
This Tachometer can measure RPM and counts. RPM range is 10 ~ 99999 while
counts range is 0 ~ 99999.

Open the package case and take out the Meter. Check the following items carefully
to see any missing or damaged part:

Description

English Operating Manual
Reflecting Tape
USB Interface Cable (UT372 only)
Software(UT372 only)

1.5V Battery (LR6)

Overview

This Operating Manual covers information on safety and cautions. Please read the
relevant information carefully and observe all the Warnings and Notes strictly.

Item

1
2
3
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5

Qty

1 piece
10 pieces
1piece
1 piece
4 pieces

Unpacking Inspection

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

This Meter complies with the standards IEC61010-031, IEC61326, : in pollution
degree 2

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.

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

International electrical symbols used on the Meter and in this Operating Manual are
explained on page 6.

Safety Information

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Rules For Safe Operation

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.

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.

Do not point laser directly at eye.
Replace the battery as soon as the battery indicator appears. When the

battery is between 4.5V ~4.8V, the battery indicator

appears. When the
battery is between 4.3V ~ 4.5V, battery indicator blinking, the Meter will be
turned off after 1 minute.

When opening the battery door, must make sure the Meter is power off.
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.

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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.

International Electrical Symbols

Warning. Refer to the Operating Manual
Deficiency of Built-In Battery
Conforms to Standards of European Union

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Figure 1

The Meter Structure (see figure 1)

Tachometer Light Source.
LCD Display.
USB Port (UT372 only)
Housing
Functional Buttons

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