Uni-T UT502A Manual

Uni-T Måleudstyr UT502A

Læs gratis den danske manual til Uni-T UT502A (4 sider) i kategorien Måleudstyr. Denne vejledning er vurderet som hjælpsom af 36 personer og har en gennemsnitlig bedømmelse på 4.7 stjerner ud af 18.5 anmeldelser. Har du et spørgsmål om Uni-T UT502A, eller vil du spørge andre brugere om produktet?

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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.

discharged.

between test leads

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

0.00~200

0.01

± (2%+3)

Criterion Best

Best

Good

Bad

DAR Value

Criterion

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

0.00MΩ~99.9MΩ: ±(3%+5)

100MΩ~10GΩ: ±(5%+5)

10.0GΩ~20.0GΩ: ±(10%+5)

Voltage Measurement

AC voltage

Measurement range

Resolution

Accuracy

30~750V (50/60Hz)

(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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