Unit UT2000 series Manual de usuario

Page

Attention

International Electrical Symbols

Features

Introduction

Environmental Conditions

Technical Specification

1. Dc Voltage

2. Ac Voltage

3. Dc Current

5. Resistance

6. Capacitance

4. AC Current

7. Temperature

8. Frequency

9. Diode

10 . Transistor hFE

11. Open circuit test

12. Battery test

13. Alarm

14. Square wave output

Safety Rules

Operating Instruction

Maintenance 18

Model UT2000: OPERATING MANUAL

Table of Contents

Title

ATTENTION

Please go through the instruction manual before

using your meter and also pay attention to the

section VI. SAFETY RULES.

INTRODUCTION£º

UT2000 series are the large LCD DMM with

accurate reading, stable quality, multifunctional

and modern design of 3 1/2 and 4 1/2 handheld

digital multimeter used for measuring DC voltage

and current, AC voltage and current, resistance,

capacitance, frequency, temperature, positive diode

resistance, transistor hFE and short circuit testing.

It is suitable for engineering design, laboratory

testing and industrial manufacturing and repair etc.

International Electrical Symbols:

AC (Alternating Current)

DC (Direct Current)

AC or DC

Grounding

Double Insulated

Deficiency of Built-In Battery.

Continuity Test.

Diode.

Fuse.

Warning. Refer to the Operating Manual.

Conforms to Standards of European Union.

Model UT2000: OPERATING MANUAL

FEATURES

lDC basic accuracy: (31/2) 0.5%; (4 1/2) 0.05%.

lMax. display:1999 (3 1/2 digit) ; 19999

(4 1/2 digit).

lReading display frequency: 2-3 times per

second.

lAutomatic indication of polarity, decimal place

and signs. Automatic indication of "1" for

over-range." " shows when the battery is

insufficient.

lAuto-zeroing for capacitance test.

lAutomatic circuitry protection and buzzer

sounds for over-range and mis-operation.

lWith automatic power-off function.

lRelease the lock by press the cases top button.

Adopt large LCD display, 25mm height digit,

the angle of the display can be rotated within

70' to select the most suitable reading angle..

lSize: 185x89x32mm.

lWeigh: approx. 300g (including battery).

Model UT2000: OPERATING MANUAL

ENVIRONMENTAL CONDITIONS

Guarantee accuracy: 23oC5oC; relative humidity:

<75%.

Temperature range: working temperature: 0oC to

40oC(32oFto 104oF),

storing temperature: -10oC to 50 oC(14oF to 122oF)

Battery: 9Vbattery (NEDA1604,6F22 or similar type).

Relative humidity: 0oC-31oC,<80%; 31oC-40oC,<50%

Altitude: (operating) 2000 meters, and 10000 meters

for storage.

Replacement Fuse: 5x20mm, 0.2A/250V FAST

(Except Model 2001, 2A/250V FAST)

Model UT2000: OPERATING MANUAL

TECHNICAL SPECIFICATION

Accuracy: (a% reading + No. of digits), guaranteed

for 1 year.

1. DC Voltage

4 1/2Digit ACCURACY

RESOLUTION

(0.5%of rdg+1digit)

3 1/2 Digit ACCURACY

RANGE

200mV

20V

200V

1000V

2001 2002/5 2006 2007

(0.8%of rdg+2digits)

RESOLUTION

(0.05%of

rdg+3digits)

RANGE

200mV

20V

200V

1000V

10 V

100 V

1mV

10mV

100mV

100 V

1mV

10mV

100mV

2003 2004

(0.1%of

rdg+2digits)

(0.2%of

rdg+5digits)

(0.1%of

rdg+5digits)

Input impedance: 10M on all ranges.

Overload protection: DC or AC peck value of

1000V. (expect 200mV range with the maximum

value being 250V rms)

Model UT2000: OPERATING MANUAL

2. AC Voltage

RESOLUTION

(0.8%of rdg+3digits)

3 1/2 Digit ACCURACY

RANGE

200mV

20V

200V

750V

2001 2002/5 2006 2007

(1.2%of rdg+3digits)

100 V

1mV

10mV

100mV

(1.2%of rdg+3digits)

RESOLUTION

(0.8%of rdg+10digits)

4 1/2 Digit ACCURACY

RANGE

20V

200V

750V

2003 2004

(1%of rdg+15digits)

100 V

1mV

10mV

100mV

Input impedance: 10M on all ranges. (2003/4

2M )

Frequency all range: Below 200V; 40-400Hz;

750V;40-200Hz.

Overload protection: AC 750V rms or 1000Vpeak

continuous on all ranges. (expect 200mVrange

with the maximum value being 250Vrms)

Indication: verage value (rms of sine wave).

Model UT2000: OPERATING MANUAL

3. DC Current

RESOLUTION

(0.8%of

rdg+1digit)

3 1/2 Digit

ACCURACY

RANGE

200 A

2mA

20mA

200mA

10A

20 A

0.1 A

1 A

10 A

100 A

1mA

10mA

10n A

2007

2006

2002/5

2001

(1.2%of

rdg+1digit)

(2%of

rdg+5digits)

Overload protection: 0.2A/250V fused (Except

2001:2A/250V) 10A range is not fused.

Maximum input current :10A

RESOLUTION

(0.5%of

rdg+2digit)

4 1/2 Digit

ACCURACY

RANGE

2mA

20mA

200mA

0.1 A

1 A

(2%of

rdg+10digits)

(0.75%of

rdg+5digit)

1mA

2004

2003

10 A

10A

Indication: Average value (rms of sine wave)

For 10A input jack, it is non-fused. For safety,

each measuring time should be equal to or less

than 10 seconds. Time intervals should be equal

to or over 15 minutes.

Model UT2000: OPERATING MANUAL

4. AC Current

Overload protection: 0.2A/250V fused (Except

2001:2A/250V) 10A range is

not fused.

Maximum input: 10A

Frequency range: 40-400Hz.

Indication: Average value (rms of sine wave)

For 10A input jack, it is non-fused. For safety,

each measuring time should be equal to or less

than 10 seconds. Time intervals should be equal

to or over 15 minutes.

RESOLUTION

(1%of

rdg+3digits)

3 1/2 Digit

ACCURACY

RANGE

2mA

20mA

200 A

200mA

10A

20 A

1 A

10 A

0.1 A

100 A

1mA

10mA

10n A

2007

2006

2002/5

2001

(1.8%of

rdg+3digits)

(3%of

rdg+7digits)

RESOLUTION

(0.8%of

rdg+10digit)

4 1/2 Digit

ACCURACY

RANGE

2mA

20mA

200mA

0.1 A

1 A

(2%of

rdg+10digits) 1mA

2004

2003

10 A

10A

Model UT2000: OPERATING MANUAL

5. Resistance

RESOLUTION

3 1/2 Digit ACCURACY

2001 2002/5 2006 2007

(0.8%of rdg+1digit)

0.1

100

10K

(0.8%of rdg+3digits)

(1%of rdg+2digits)

200

20K

200K

20M

200M

RESOLUTION

4 1/2 Digit ACCURACY

0.01

(0.2%of

rdg+5digits)

200

2003 2004

(0.5%of

rdg+5digits)

(0.2%of

rdg+1digit) (0.5%of

rdg+1digit)

[5%(of rdg-10digits)+10digits] 100K

(0.5%of

rdg+5digits) (1%of

rdg+5digits)

RANGE

20k

200K

20M

0.1

100

other range: 0oCto 35oC: 0~90%.

* When testing on 200M range, the display

will show 1.0 if connect the two test lead

together. This reading is a fixed deviation

Overload protection: 250VDC or AC rms.

Open circuit voltage: 0.7V (Except 2003,2004:

3V) 200M range is 3V.

Relative Humidity: 2M range: 0oCto 35oC: 0~75%,

Model UT2000: OPERATING MANUAL

RANGE

which does not affect the accuracy of the

reading. If the resistor under measurement is

100M , The reading will be 101.0, the actual

value should be the display value minus

1.0: 101.0 - 1.0 = 100.0 M

6. Capacitance

4 1/2Digit ACCURACY

RESOLUTION

(2.5%of rdg+3digits)

3 1/2 Digit ACCURACY

RANGE

2nF

20nF

200nF

2 F

20 F

2002/5 2006 2007

RESOLUTION

1pF

10pF

100pF

1nF

10nF

2003 2004

RANGE

20nF

200nF

2 F

20 F

1pF

10pF

100pF

1nF

(2.5%of rdg+10digits)

(especially large capacitor) to the meter. The

reading need some times to stabilize or return

to zero when changing the range.

Testing frequency: 400Hz

Testing voltage: 40mV

* When using the capacitance range for testing,

don’t connect a resistor or a charged capacitor

Model UT2000: OPERATING MANUAL

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