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
2
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4
5
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Maintenance 18
Model UT2000: OPERATING MANUAL
1
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.
2
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).
3
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)
4
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
2V
20V
200V
1000V
2001 2002/5 2006 2007
(0.8%of rdg+2digits)
RESOLUTION
(0.05%of
rdg+3digits)
RANGE
200mV
2V
20V
200V
1000V
10 V
100 V
1mV
10mV
100mV
100 V
1mV
10mV
100mV
1V
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)
5
Model UT2000: OPERATING MANUAL
2. AC Voltage
6
RESOLUTION
(0.8%of rdg+3digits)
3 1/2 Digit ACCURACY
RANGE
200mV
2V
20V
200V
750V
2001 2002/5 2006 2007
(1.2%of rdg+3digits)
100 V
1mV
10mV
100mV
1V
(1.2%of rdg+3digits)
RESOLUTION
(0.8%of rdg+10digits)
4 1/2 Digit ACCURACY
RANGE
2V
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
7
3. DC Current
RESOLUTION
(0.8%of
rdg+1digit)
3 1/2 Digit
ACCURACY
RANGE
200 A
2mA
20mA
200mA
2A
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
8
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
2A
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
9
5. Resistance
RESOLUTION
3 1/2 Digit ACCURACY
2001 2002/5 2006 2007
(0.8%of rdg+1digit)
0.1
1
10
100
1K
10K
(0.8%of rdg+3digits)
(1%of rdg+2digits)
200
2K
20K
200K
2M
20M
200M
RESOLUTION
4 1/2 Digit ACCURACY
0.01
(0.2%of
rdg+5digits)
200
2K
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
2M
20M
0.1
1
10
100
1k
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
10
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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