Portable appliance testing business in a box

  • Clear step by step instructions on how to do it
  • Details of why they need to be testing their electrical assets
  • Pre-designed adverts and brochures for you to use
  • Pre-written letters for you to send to potential customers
  • Arrange appointments
  • Diary management
  • Billing
  • Automatic testing
  • Printing certificates
  • Repairs estimates
  • A guide to PAT testing
  • A guide to identifying customers
  • Fast PAT420 tester that will give you years of service
  • The leads and adaptors you need to test 230 V appliances
  • 1000 Pass labels
  • PowerSuite Contractor PAT certification software to manage: Customers Assets

The PAT testing market is driven by the "Electricity at Work" regulations and not by the housing market so it offers a perfect opportunity to boost falling turnover.

Business in a box offers everything you need to change the direction of your business and to assist the aspiring PAT tester to set up in business.

Technical Documents
Technical guide
Earth leakage tests of portable appliances
Technical guide
Parallel earth paths
Technical guide
PAT testing IT equipment
Technical guide
Testing 110 V appliances
Technical guide
Testing appliances fitted with RCDs
Technical guide
The Importance and Benefits of Portable Testing
Firmware for PAT300 and 400 series

The PAT300/400 Series portable appliance testers are firmware upgradeable via a Windows PC with a USB interface. Firmware updates are developed and released to add additional functionality to your PAT300/400 Series tester.


i, You must register your PAT300/400 Series portable appliance tester in order to download the update software and associated firmware files.

ii, Install PAT upgrader driver software BEFORE connecting your PAT300/400 Series tester to your computer via the USB interface.

iii, Each PAT400 zip file contains multiple language versions with applicable test groups, please use the correct file corresponding to your region.

Please follow PAT upgrader instructions accompanying the upgrader software. Latest PAT300/400 firmware version 2.50. If using in conjunction with PowerSuite software, an upgrade may be required in order to provide compatibility with the latest firmware.

Do not install firmware version 2.50 if your current firmware version is below 2.10.

PAT300 Firmware 2.50
3.1 MB | 29/10/20
PAT release notes v2.50
10.9 KB | 12/06/19
PAT410 Firmware 2.50
12.3 MB | 03/02/21
PAT420 Firmware 2.50
9.2 MB | 03/02/21
PAT450 Firmware 2.50
12.3 MB | 03/02/21