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UNI-T UT528 PAT Tester - 5th Edition Compliant

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Free Accessory Bundle + PAT Guide
UNI-T UT528 PAT Tester - 5th Edition Compliant, standalone unit

UNI-T UT528 PAT Tester

One of our best-selling PAT testers, the UNI-T UT528 is highly popular due to its easy-to-use interface, ability to test all appliances and portable, battery-powered design. Highly recommended for use by those new to PAT testing, or for smaller business and offices including charities, landlords and smaller retail outlets, the UT528 is incredibly easy to use, even for a complete beginner to PAT testing. The tester features just three buttons, each clearly labelled for a type of appliance. All you need to do to test is connect the included test leads to your tester and the appliance, then press the button to test.

The UT528 is what's known as a 'manual' PAT tester - it doesn't include memory storage and there's no way to store your testing results other than jotting them down yourself. If you have a larger amount of appliances to test, we'd recommend upgraded to a downloadable PAT tester instead.

Full Test Result Display

The UNI-T UT528 is actually the upgraded version of the UT527 PAT tester. Although basically identical in testing functionality, the main difference between the two is that the UT528 will show full testing results. In comparison, the UT527 simply shows if a test has passed/failed, and won't give you any testing values.

As the UT528 shows full results, this tester is better suited for keeping detailed records of the current state of your appliances. You should jot down all results in a PAT testing logbook or similar document to keep track of everything. It will also still show a PASS/FAIL indicator, depending on the status of the test.

Suitable for all Appliances

Suitable for use with a wide variety of appliance types. Use it to test:

  • Class I Appliances
  • Class II Appliances
  • IEC and Extension Leads (including Surge-Protected Leads)
  • Long Leads
  • 110V Equipment (requires optional 110V adapters)
  • IT Equipment

New for 5th Edition Models* 

  • Class II FE test 
  • Selectable 250V insulation test for IT Equipment
  • Select Pass-Fail values for earth continuity (0.1, 0.2,0.3)
  • 5mA for leakage test (Substitute)

Key Features

  • Easy-to-use PAT tester which does all the tests you need with minimal effort
  • Ideal for use by those new to PAT testing, or those with a smaller amount of appliances to test
  • Upgraded version of the UT527 - shows full testing results alongside PASS/FAIL indicators
  • Insulation test at 250V and 500V
  • Earth continuity test (IT equipment safe)
  • Built-in mains socket connector
  • Up to 1000 test battery life
  • Suitable for testing class I and class II appliances, IEC and extension leads
  • Special long lead mode
  • Simple interface - three buttons on the front clearly labelled for each appliance type

What's Included?

  • UNI-T UT528 PAT Tester
  • Test Lead
  • Alligator Clip
  • Hard Carrying Case
  • Instruction Manual
  • IEC Lead
  • Batteries

Get More With Our UNI-T UT528 Kits!

Why not consider upgrading to one of our PAT testing kits? Packed with all of the essential accessories you'll need for testing for a reduced price compared to buying separately, getting one of these kits is a great idea if you're looking for everything at once.

The following table outlines the difference between each of our available PAT kits for the UT528.

Item Description  UNI-T UT528 PAT Tester Essentials Kit (Bundle 1) UNI-T UT528 PAT Tester Professional Kit (Bundle 2)

Deluxe Carrying Case

Keep all of your equipment safe and in one place with this large-size carrying case!

(appearance of case may vary depending on current stock)

Socket Tester

Need to check if your sockets are working right? Just plug this in to a standard UK plug socket and if there's a problem, the socket tester will let you know about it!

(socket tester may vary depending on current stock)

PAT Testing Training DVD +
Online Exam & Certificate for 1 Person

Not yet trained as a PAT tester? With our training DVD, you can train yourself from the comfort of your own home or workplace! The DVD includes access to our online examination for one person (you can also purchase additional exams for other team members, if needed).

The PASS Handbook of Portable Appliance Testing

Everything you need to know about PAT testing is outlined in this comprehensive book. Inside, you'll find useful information, colour-coded sections, photographic examples and much more to help you PAT test on a daily basis.

PASS PAT Testing Logbook

Keep a record of all of your testing with our logbook. The book includes carbon-copied records, allowing you to keep one for yourself and give the other to customers or keep for a reference.

Microwave Leakage Detector

When PAT testing, it's common practice to check microwaves are also not emitting high levels of radiation. With our microwave leakage detector you'll be able to do this testing with ease.

PASSPTA21 - IEC (C13 Female)
to Cloverleaf (C6 Male) PAT Adaptor

You'll need this adaptor to connect your PAT tester to laptop/PC power leads and other similar equipment which has a cloverleaf-shaped connector.

PASSPTA29 - IEC Plug (C14)
to Cloverleaf (C5) PAT Adaptor

This adaptor is used to connect to laptop power supplies, portable projectors and other similar equipment.

PASSPTA28 - IEC Plug (C14)
to Fig 8 (C7) Pat Adaptor

You'll find several appliances such as game consoles, laptop power supplies, audio/visual equipment and more use this type of connector - with this adaptor, you can connect them up to your PAT tester.

CK Tools AV05050 5 Piece Insulated Screwdriver Kit

A handy set of insulated screwdrivers (suitable for live working to 1000V) suitable for a wide variety of applications.
Includes 2 x PZ (1 x 80 and 2 x 100mm) + 3 x slotted (3 x 75, 4 x 100 and 5.5 x 125mm) screwdrivers in a carrying case.

WM1 - 500 x Passed PAT Testing Labels

You'll need these every time an appliance passes a test - just tear one off, fill in the fields (appliance ID, your name, test date and next test due date) and stick on the appliance when done.

WM6500 - 500 x Circular Passed PAT Testing Labels

These circular-shaped PAT labels are great for plug tops and any other appliance. The labels also include space for ticking the month/year the next test is due.

WM12 250 - 250 x Cable Wrap Labels

These passed labels wrap around a wire/cable from an appliance and are recommended for use with power supplies or on appliances where you can't stick a label. They also include space for writing your appliance ID, name, test date and next test date.

WM7 250 - 250 x Failed PAT Testing Labels

You won't need these as often as your passed labels, but you'll need to apply one of these whenever an appliance fails a test. If it does fail, the item should be taken out of service for repair or replacement

SimplyPats Manual PAT Testing Software

Keep a database of your PAT testing information on your PC and print reports with SimplyPats Manual software. Please note that this software is manual entry; you cannot download directly from the PAT tester and you will need to type in records by hand.

Earth Continuity  
Pass Limit & Accuracy  ±(5%+2)
Test Current 200mA minimum
Test Voltage 5V nominal
Insulation Resistance  
Pass Limit & Accuracy ±(5%+2)
Test Voltage Default: 250V, Selectable: 500V
Test Current >1mA 250k
Test Current <2mA 1k
Leakage Current  
Accuracy ±(5%+2)
Test Voltage 40Vrms,50Hz AC
Test Current <5mA 2k

Factory Default PASS/Fail Limits

  Class I  Class II Cord
Earth Continuity 0.1/0.2/0.3 ohm N/A 0.2 ohm
Insulation Resistance 1.0Mohms 2.0 Mohms 2.0 Mohms
Leakage 5mA 5mA N/A
Accessories related to this product:
UNI-T UT528 Data Sheet 2021 Datasheets UNI-T UT520 Series - Datasheet Datasheets UNI-T UT528 PAT Tester - User Manual Manuals & Guides UNI-T 528 PAT Tester 5th Edition Manuals & Guides
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Additional Information
Manufacturer Part Code UT528
Model Ref UT528