Sper Scientific 840073 User Manual

Model UT30A: OPERATING MANUAL

Table of Contents (1)

Title

A. Introduction
B. Safety Rules
C. International Electrical Symbols
D. Feature
E. Specification

1. DC Voltage

2. AC Voltage

3. DC Current

4. AC Current

5. Resistance

6. Diode, Transistor,
Continuity Test
F. Operation Plate

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Model UT30A: OPERATING MANUAL

Table of Contents (2)

Title

G. Make Measurements

1. DC Voltage Measurement

2. AC Voltage Measurement

3. DC Current Measurement

4. AC Current Measurement

5. Resistance Measurement

6. Diode measurement

7. Transistor hFE Measurement

8. Continuity test

9. “Hold”, “Power” Button
Function

H. Fuse and Battery replacement
I. Included Accessories

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Model UT30A: OPERATING MANUAL

A. Introduction

UT30A Multimeter is 3 3/4 digits with steady operations, fashionable structure
and highly reliable hand-held measuring instrument. The meter can measure
DC/AC Voltage, DC/AC Current, Resistance, Diode, Transistor hFE, Continuity,
and etc. It is an ideal carry-on tool for users.

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Model UT30A: OPERATING MANUAL

B. Safety Rules(1)

1. Read the manual carefully before use. Use the Meter only as specified
in this manual, otherwise, the protection provided by the Meter may
be impaired.

2. Do not operate the Meter unless the bottom case has been closed as
terminal can carry voltage.

3. Inspect the insulation of the test leads and no damages to the test
leads before using the Meter.

4. As soon as the battery indicator’s “ ” appears, replace the battery to
ensure accurate readings.

5. Set the Meter to suitable function and range before each measurement.

6. Tested values over the maximum range of each measurement can
cause damages of the Meter or electric shock to users.

7. Do not turn the rotary switch during measurement to avoid damages
of the Meter.

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Model UT30A: OPERATING MANUAL

B. Safety Rules(2)

8. When measuring voltage higher than DC 60V or AC 30Vrms, pay extra
attention to avoid electric shock.

9. Use only 0.5A/250V φ 5X20(mm) fast acting ceramic fuse to replace
the bad one.

10. Do not operate or store the Meter under high temperature or humid
condition, otherwise, the Meter will get worse.

11. Do not change internal circuit to avoid damages to the meter and
danger to the user.

12. Periodically wipe the case with cloth and mild detergent. Do not use
abrasives and solvents.

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Model UT30A: OPERATING MANUAL

C. International Electrical Symbols

AC or DC
AC (Alternating Current)
DC (Direct Current)
Grounding

Double Insulated
Deficiency of Built-In Battery

Diode

Fuse

Continuity Test

Safety Rules

CAUTION-FOR CONTINUED PROTECTION AGAINST FIRE, REPLACE
ONLY WITH FUSE OF THE SPECIFIED VOLTAGE AND CURRENT
RATINGS.

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D. Feature(1)

“

“

“

”

”

”

”

“

D. Feature(2)

”

“

1. DC Voltage

Model UT30A: OPERATING MANUAL

E. Specification(1)

Range

400mV

4V

40V
400V
500V

Resolution

0.1mV
1mV

10mV

100mV

1V

Accuracy

(0.8%+3)

(0.8%+1)

(1%+3)

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E. Specification(2)