Uni-T UT502A Manual

Uni-T Måleudstyr UT502A

Læs nedenfor 📖 manual på dansk for Uni-T UT502A (4 sider) i kategorien Måleudstyr. Denne guide var nyttig for 11 personer og blev bedømt med 4.5 stjerner i gennemsnit af 2 brugere

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UT502A Insulation Resistance Tester is designed with brand-new
design and combination of massive integrated and digital circuits; it
can measure insulation resistance, low resistance, AC voltage, etc,
and enjoys high degree of accuracy, stable performance, easy
operation and reliability. It is used for insulation resistance
measurement for insulation materials and various kinds of electric
equipments such as transformer, electric machines, cables, switches,
electrical appliances, a ideal tool for electric equipment maintenance,
testing and inspection.
2. Safety Information
The instrument is designed and manufactured in compliance with
IEC61010 standard. The manual covers safety information related to
the safe operations and conditions of the instrument. please read
carefully before using the instrument.
Warning
Use always as specified in the manual, and keep it for future use.
conditions and actions that may cause serious or
fatal damage.
Alerts users to avoid electric shock.
conditions and actions that may cause damage to
the instrument or affect accurate measurement.
voltage over 750VAC.
leads
When test leads are shorted and connected to the instrument, do
not press TEST key.
during test.
Do not touch the tested line during insulation measurement.
Eg: the
instrument was damaged or had exposed metal.
is
discharged.
between test leads
lead
lead
low battery indicator shows If
properly.
3. Electrical Symbols
Risk of electric shock
Accuracy: ±(a% of reading + b digits), calibration per year.
Insulation Resistance Measurement
Polarization Index/Dielectric Absorption Ratio Measurement
Low Resistance Measurementc
Open-circuit voltage
Measurement range
Resolution ratio
Accuracy
Approx. 5.0V
0.00~200Ω
0.01Ω
± (2%+3)Ω
Criterion Best
Best
Good
Good
Bad
Bad
DAR Value
Criterion
DAR Measurement
DAR Measurement
PI Measurement
PI Value
10min insulation resistance/1min insulation resistance
Greater than
or equal to 4 4---2 2.0---1.0 Less than or
equal to 1.0
Warning
Greater than
or equal to 1.4 1.25--1.0 Less than or
equal to 1.0
1min insulation resistance/30s insulation resistance
1min insulation resistance/15s insulation resistance
500V 1000V 2500V
Rated voltage
Short circuit current
Accuracy range
Measurement
range
Open circuit
voltage
Rated measurement
current
0.00MΩ ~ 5.00GΩ 0.00MΩ ~ 5.00GΩ 0.00MΩ ~ 20.0GΩ
DC 500V+10% DC 1000V+10% DC 2500V+10%
Under 500KΩ
1.00mA~1.10mA
Under 1MΩ
1.00mA~1.10mA Under 2.5MΩ
1.00mA~1.10mA
Approx. Less than 1.8mA
0.00M ±Ω~99.9MΩ: (3%+5)
100M ±Ω~10GΩ: (5%+5)
10.0G ±Ω~20.0GΩ: (10%+5)
Voltage Measurement
AC voltage
Measurement range
Resolution
Accuracy
30~750V (50/60Hz)
1V
±
(2%+3)
Low battery indication: .
Overload indication: "＞22.0GΩ" shows under insulation
resistance measurement.
display the unit and function simultaneously
● Automatic voltage release
● Backlight for work on dark sites
● Red light for warning
(Altitude: <2000m)
under normal condition)
operating manual, carrying case.
test leads,
● Safety compliances: Overvoltage CATIII 600V, Pollution
Degree 2 as per IEC61010
5. Tester's Structure(Front View)
measurement
for measurement
7 Switch button for PI/DAR
8 TEST button
9 Rotary knob
LCD Display
6. Buttons and Rotary Knob
1. PI/DAR button: measures polarization index/dielectric absorption
ratio.
2. ZERO/LIGHT button: turns on/off the backlight or resets the
display to zero for low resistance measurement.
3. TEST button: turns on/off insulation and low resistance
measurement.
4. Rotary knob set to ACV: to measure AC voltage.
5. Rotary knob set to CONTINUITY: to measure low resistance.
Compliance Standards:
EN61010-1:2010 EN61010-2-030:2010 EN61557-1:2007
EN61557-2:2007 EN61557-4:2007 EN61326-1:2013
EN61326-2-2:2013
Comply with European Union standards

Produkt Specifikationer

Mærke: Uni-T
Kategori: Måleudstyr
Model: UT502A

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