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UNI-T UT528AU

UNI-T UT528AU
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P/N:110401109985X
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UNI-T UT528AU Specifications

General IconGeneral
DisplayLCD
Resistance MeasurementYes
Capacitance MeasurementNo
Frequency MeasurementNo
Data HoldYes
BacklightYes
Battery6x 1.5V AA batteries
Ground Voltage Measurement Range0 to 200V AC
Display Count2000
Double Insulation ProtectionYes
Low Battery IndicationYes
Data LoggingNo
USB InterfaceNo
Over Range IndicationYes
Simple 2-Wire TestingYes
Precise 3-Wire TestingYes
Power Supply6x 1.5V AA batteries
WeightApprox. 500g
TypeGround Resistance Tester
Ground Resistance Measurement Range0.01Ω to 2000Ω
Accuracy of Ground Voltage Measurement±(1%+3)
Measurement Range0.00Ω to 2000Ω
Accuracy±2% ±0.01Ω
Accuracy of Ground Resistance Measurement±(2%+3)

Summary

Safety Information and Standards

Important Safety Warnings

Advises inspecting unit/leads, battery replacement, and environmental conditions for safe operation.

Product Layout and Controls

Pre-Test Procedures

Zeroing the Earth Bond Lead

Describes the procedure to zero the earth bond test lead using a nulling adapter.

Class 1 Appliance Testing

Connecting for Class 1 Test

Details appliance connection and earth clip placement for Class 1 testing.

EarthProtective Conductor Test

Explains initiating the earth resistance test using the Class 1 test button.

Interpreting Earth Bond Results

Explains how to interpret FAIL and PASS results for earth bond tests.

Insulation Resistance Test

Details the insulation test, including auto-start, manual trigger, and results.

Leakage Test

Explains the automatic progression to and interpretation of leakage tests.

Class 2 Appliance Testing

Connecting for Class 2 Test

Details appliance connection for Class 2 testing as shown in Diagram 4.

Insulation Test for Class 2

Details the insulation test for Class 2, including power switch checks.

Leakage Test for Class 2

Explains Class 2 leakage test progression, interpretation, and results.

Lead and Cord Testing

Connecting for Cord Test

Details connecting mains leads for testing as shown in Diagram 5.

Cord Test - Earth Bond

Describes performing the earth bond test for cords, similar to Class 1.

Advanced Setup and Mains Check

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