TES TES-2620 Manuale utente
AUTO-RANGING
TRUE RMS MULTIMETER
TES-2620
INSTRUCTION MANUAL
TES ELECTRICAL ELECTRONIC CORP.
CONTENTS
TITLE PAGE
1. SAFETY INFORMATION .............................................. 1
2. FEATURES ................................................................... 2
3. SPECIFICATIONS ......................................................... 2
3-1 General Specifications ............................................ 2
3-2 Electrical Specifications .......................................... 5
4. PARTS & CONTROLS ................................................... 9
4-1 Name Of Parts And Positions ................................. 9
4-2 Precautions And Preparations For
Measurement.......................................................... 13
4-3 DC Voltage Measurements ..................................... 13
4-4 AC Voltage Measurements ..................................... 14
4-5 DC Current Measurements ..................................... 14
4-6 AC Current Measurements ..................................... 15
4-7 Capacity Measurement ........................................... 15
4-8 Continuity Measurement & Diodes Test ................. 16
4-9 Resistance Measurement ....................................... 17
4-10 Frequency Measurement ...................................... 17
4-11 TRMS Measurements ........................................... 17
4-12 Adaptive ( ADP ) Measurement ............................ 19
5 BATTERY & FUSE REPLACEMENT .............................. 19
5-1 Battery Check-Up & Replacement .......................... 19
5-2 FUSE Replacement ................................................ 19
1
1. SAFETY INFORMATION
Read the following safety information carefully before attempting to
operate or service the meter.
To avoid damages to the instrument do not apply the signals which
exceed the maximum limits shown in the technical specifications tables.
Never measure current while the test leads are inserted into the input jacks.
Do not use the meter or test leads if they look damaged. Use extreme
caution when working around bare conductors or bus bars.
Accidental contact with the conductor could result in electric shock.
Use the meter only as specified in this manual ; otherwise, the
protection provided by the meter may be impaired.
Read the operating instructions before use and follow all safety
information.
Caution when working with voltages above 60V DC or 30 V AC RMS.
Such voltages pose a shock hazard.
Before taking resistance measurements or testing acoustic continuity,
disconnect circuit from main power supply and all loads from the circuit.
Safety symbols:
Caution refer to this manual before using the meter.
Dangerous voltages.
Meter is protected throughout by double insulation or reinforced
insulation.
When servicing, use only specified replacement parts.
Comply with EN-61010-1
2
2. FEATURES
3-3/4 Digital LCD with Bar-graph
True RMS on ACV and ACA measurement
Water- Proof ABS housing
Auto- Ranging on Volt, Ohm , Current, Frequency, and Capacitance
measurement
Auto-power - off
Also provides MAX / MIN recording; MEM and READ; REL and data
HOLD mode
Ohms, Diode, Audible continuity, Capacitance range with input
Overload protection to 600Vrms
20A / 600V high energy fuse protection on 20A AC/DC
Flip - up stand
3 SPECIFICATIONS
3-1 General Specifications
Environment conditions
：
Installation Categories II
Pollution Degree 2
Altitude up to 2000 meters
Indoor use only
Relatively humidity 80% max.
Operation Ambient 0
〜
40
℃
Maintenance & Clearing:
Repairs or servicing not covered in this
manual should only be performed by
qualified personnel.
Periodically wipe the case with a dry cloth.
Do not use abrasives or solvents on this
instruments.
Operating Principle
：
Dual slope integration
Numerical Display :
3 3/4 digit liquid crystal display (LCD)
maximum reading 3999 and Bar-graph
indication
.
3
Unit and Sign Display
：
■
Decimal point
AC
Alternating current or voltage
DC
Direct current or voltage
V
Volt
mV
Millivolt ( 1
×
10
-3
volt )
A
Ampere ( amp ). Current
mA
Milliampere ( 1
×
10
-3
amp )
Ω
Ohm. Resistance
K
Ω
Kilohm ( 1
×
10
3
ohm ). Resistance
M
Ω
Megohm ( 1
×
10
6
ohm ). Resistance
KHz
Kilohertz ( 1
×
10
3
cycles / sec ).
Frequency
Hz
Hertz ( 1 cycle / sec). Frequency
uF
Microfarads ( 1
×
10
-6
Farad ).
Capacitance
nF
Nanofarads ( 1
×
10
-9
Farad ).
Capacitance
4
Diode
Continuity Beeper
Low Battery
Negative polarity
Auto
Autorange
Manu
Manual Range
△
REL
Relative Reading
MEM
Memory Reading
Date Hold
5
MIN
Minimum Reading
MAX
Maximum Reading
Range Selection
：
All ranges are measured by single Range
Switch operation.
Over Range Indication
：
LCD will show a “4” flashing in the highest
position accompanied with a continuous
beeper.
Low Battery Indication
：
The is displayed when the battery
voltage drops below the operating voltage.
Sampling Rate
：
20 times/sec of Bar-graph indication, 2
times/sec of digital display.
Power Source
：
2pcs of “ AA “ 1.5V Battery
Battery Life
：
400hrs approx.
Polarity
：
Automatic polarity “ “ displays for negative
input
Operating Temperature
：
0
℃
to 40
℃
( 32
℉
to 104
℉
)
and Humidity below 80% RH
Storage Temperature
：
-10
℃
to 60
℃
( 14
℉
to 140
℉
)
and Humidity below 70% RH
Dimensions
：
184 (L)
×82 (W) ×42(H) mm
Weight
：
Approx. 375g
Accessories
：
Test leads , Spare fuse ( 0.5A/250V ) , Battery ,
Instruction manual, etc.
6
3-2 Electrical Specifications
Accuracies are
±
(...% of reading + ...digits) at 23
℃±
5
℃
,below 80% RH.
DC Voltage : ( Autoranging & Manual range )
Range Resolution Accuracy Input
Impedance
Overload
Protection
400mV 100uV > 100M
Ω
4V 1mV
≒
11M
Ω
40V 10mV
400V 100mV
1000V 1V
0.5%+1
≒
10M
Ω
DC1100V
AC 800V
AC Voltage ( Autorange & Manual range ) True RMS
Range Resolution Accuracy Input
Impedance
Overload
Protection
Frequency
Response
400mV 100uV ≥100M
Ω
50 ∼60Hz
4V 1mV
≒
11M
Ω
40V 10mV
400V 100mV
1.2%+5
750V 1V 1.5%+5
≒
10M
Ω
DC1100V
AC 800V 40 ∼450Hz
※
400 mV only manual range.
Additional Crest Factor Errors ( non-sinecure )
Crest Factor Error ( % of reading )
1-3 1%
3-5 4.5%
※
[ For frequencies at 50/60 Hz, slow AC filter specified for sinecure input
only. ]
※
Response time : 5 seconds max, to rated accuracy in the selected range.
7
DC Current : ( manual range )
Range Resolution Accuracy Input Impedance Burden
Voltage
4mA 1uA
40mA 10uA
0.45V
400mA 100uA
1%+1 0.5A / 250V fuse
0.65V
20A 10mA 1.5%+2
20A / 600V high energy fuse
1.3V
AC Current : (manual range ) True RMS
Range Resolution Burden
Voltage Accuracy Input Impedance
Frequenc
y
Response
4mA 1uA
40mA 10uA
0.45V
400mA 100uA 0.65V
1.5%+5 0.5A / 250V fuse
20A 10mA 1.3V 2%+5 20A / 600V high energy
fuse
40Hz to
500Hz
※
Conversion type : AC coupled, TRMS measurement.
Additional Crest Factor Errors ( non-sinecure )
Crest Factor Error ( % of reading )
1-3 1%
3-5 4.5%
※
[ For frequencies at 50/60 Hz, slow AC filter specified for sinecure input
only. ]
※
Response time : 5 seconds max, to rated accuracy in the selected range.
8
Audible Continuity:
Range Resolution
Open Circuit
Voltage
Continuity
Beeper
Overload
Protection
0.1
Ω
≤0.5V ≤Approx. 40
Ω
600Vrms
Diode Test: ( )
Range Resolution Short Circuit
Current Accuracy Open Circuit
Voltage
Overload
Protection
1mV 0.8mA typical 1%+ 2 3V 600Vrms
Capacitance (Cx): (Autoranging & Manual range )
Range Resolution Accuracy
4nF 1pF
40nF 10pF
1.5%+ 20
400nF 100pF
4uF 1nF
40uF 10nF
1.5%+ 10
Resistance: ( Autoranging & Manual range )
Range Resolution Accuracy Open Circuit
Voltage
Overhead
protection
400
Ω
100m
Ω
4K
Ω
1
Ω
40K
Ω
10
Ω
400K
Ω
100
Ω
4M
Ω
1K
Ω
0.75%+ 3
40M
Ω
10K
Ω
1.5%+ 5
≤0.5V 600Vrms
Indice
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