Seaward Primetest 250+ Downloadable PAT Tester – 5th Edition


£504.00 / £604.80 incl VAT

Very easy to use
⚡ Plug and print – easy label printing with no setup
⚡ Date stamped results for full traceability
⚡ Single key save
⚡ Single key download

Only 2 left in stock (can be backordered)

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Whether you’re Starting out or just looking to stock up on some quality PAT Testing equipment, why not purchase one of our Essential PAT Testing Kits?

No Kit £0.00 Bronze Essential PAT Testing Accessory Kit +£79.95 Silver Essential PAT Testing Kit +£114.95 Gold Essential PAT Testing Kit +£154.95 Platinum Essential PAT Testing Kit +£174.95

Calibration Certificate

Add Calibration to you PAT Tester.


Seaward Primetest 250+ Downloadable PAT Tester – 5th Edition

Product Description:

The Primetest 250 Plus is a battery powered and downloadable PAT tester with testing capabilities that fully satisfied the latest edition of the IEE Code of Practice. With a comprehensive range of electrical tests, an internal memory capable of storing 999 results and full Seaward Test n Tag Printer compatibility this PAT tester is efficient, powerful and highly versatile.

Updated to be fully compliant with the 5th edition of the IET Code of Practice, the PrimeTest 250 Plus includes functions such as:

  • Selectable Pass/Fail values for earth continuity (0.1, 0.2, 0.3Ω)
  • Long lead test
  • New test for Class 1 equipment with no exposed parts
  • Test sequence for Class 2 FE equipment
  • Pass/Fail limit of 5mA for all Earth Leakage tests in line with 5th edition

The PrimeTest 250 Plus PAT Tester updated for the 5th edition of the IET Code of Practice is compact, battery powered and handheld. It features an impressive datalogging facility which allows users to store & download up to 999 results in CSV format or in the supplied datalogging software. Alternatively the data can also be downloaded into Seaward’s PATGuard 3 software for creating professional PAT reports and certificates. Test results are saved by the press of a button and are downloaded onto a PC using a standard USB lead. Notably all test results are time and date stamped for traceability purposes.

Not only does the Seaward Primetest 250 perform Earth Continuity and Insulation tests, it also incorporates a variety of other useful electrical test functions. Including mains powered tests such as Earth Leakage, Protective Conductive Current and RCD Trip Time testing using the supplied mains lead. This means that the tester complies fully to any testing requirements detailed within the IEE Code of Practice while remaining small and portable.

The Primetest 250+ is furthermore one of the very few PAT testers on the market that can run mains operated tests on 3-Phase appliances using optional Seaward TPA 3-Phase Adaptors. It can be used in conjunction with the Seaward Test n Tag Pro printer via a serial cable and prints a 52 x 25mm PAT label at the end of the test sequence thus speeding up your testing procedure. The Seaward Primetest 250+ requires no set up and is ready to use straight out of the box.

Please note that the tester will not provide a facility to enter appliance information into the tester against the PAT results. This would need to be done after downloading within the software package where the PAT results are downloaded into.

Comprehensive Range of Electrical Tests

Capable of performing all testing procedures as required by the IET Code of Practice, this PAT tester gives quick, easy access to all testing functions via dedicated testing buttons on the front of the tester.

The PrimeTest 250 Plus can test it all – use it to test:

  • Low current earth continuity
  • Insulation resistance at 250/500V
  • IEC leads
  • Protective conductor current
  • Touch current tests
  • 3 phase leakage current (requires 3 phase adaptor)
  • Alternative leakage
  • RCD (30mA and 150mA) and power socket tests
  • Long Lead
  • Test for Class 1 equipment with no exposed parts and a Class 2 FE test sequence to coincide with the new equipment class included in the 5th edition.

You can use the PT250+ to test both class I and class II appliances (including IT equipment), IEC leads and extension leads and – via the use of adaptors (sold separately) – this tester is also suitable for testing 110V and 415V (3 phase) equipment.

Manage Your Testing Records with Fully Downloadable Memory Storage

The PrimeTest 250 Plus can store up to 999 individual appliance testing records in its internal memory. When you’ve tested something, simply press the single save key and the record will be stored, time/date stamped ready for further use.

When you’re done testing for the day, connect your PrimeTest 250+ up to your PC using a USB cable and download the records directly onto your computer.

The PrimeTest 250+ is one of the few downloadable PAT testers which includes its download utility as standard – records are downloaded into standard CSV format, compatible with leading spreadsheet programs such as Microsoft Excel.

For those who require professional reports and certificates, you can also opt to purchase Seaward’s PATGuard Elite 3 software which gives you a comprehensive database of PAT records, allows you to schedule inspections and tests and create reports etc.

Seamless Plug & Print with the Optional Test n Tag Pro Serial Printer

Use the PrimeTest 250 Plus with the Test n Tag Pro Serial Printer (sold separately and available in kit versions of the PT250+) to create professional, low cost inspection and testing labels as you’re testing.

The Test n Tag Pro is designed to seamlessly work with the PT250+’s memory storage capabilities; just connect up the printer when testing and hit the print button when you’re ready to print out your label.

Every label roll for the Test n Tag Pro has over 400 labels, ensuring you can test a large amount of appliances before replacing at a later date.

Seaward PrimeTest 250+ PAT Tester Key Features

  • Downloadable PAT tester with internal 999 appliance record memory
  • Extremely easy to use – quick access buttons for easy test activation
  • Plug and print – simply insert Seaward’s printer (sold separately) for quick label printing
  • Date stamped results for full traceability
  • Single key save and downloading
  • Stores results in CSV format – ports directly into programs similar to Excel or Seaward’s PATGuard software
  • Low current earth continuity test to ensure accurate measurements
  • Insulation resistance test at 250 and 500V
  • IEC lead testing
  • Protective conductor current test
  • 3 phase leakage current test (requires adapter)
  • Alternative leakage current test
  • RCD test at 30mA and 150mA
  • Power socket test

What’s Included?

The standard version of the Seaward PrimeTest 250+ comes with:

  • 0.5m Extension Adaptor
  • Earth Lead with Probe and Clip
  • Mains Lead
  • 6 x AA Batteries
  • USB Download Lead
  • Carry Case
  • Operating Instructions

Expand your Reporting Capabilities with Seaward PATGuard 3 Software

Note: PATGuard 3 is an optional purchase and is not required to use the PT250+’s download capabilities.

Although the PT250+ includes a download utility so you can download for free into a CSV file compatible with Microsoft Excel, you can vastly increase the capabilities of your PT250+ by adding Seaward’s PATGuard Elite 3 software to your purchase.

Available in some of the PT250+ or for purchase separately, PATGuard 3 is a yearly-licensed software package* which gives you a number of benefits, including:

  • Professional user interface gives you quick, seamless access to your PAT records
  • Tag photos to sites, locations, asset IDs and testing results
  • Compatible with a wide variety of Seaward PAT testers, including the PT250+ and Apollo series
  • Electrical risk assessment tool quickly determines risk-based retest periods for electrical appliances
  • Universal risk assessment tool for any workplace hazards
  • Create an extensive range of editable detailed and summary reports
  • Create test and inspection reports for fire detection/fire alarm systems and emergency lighting
  • Auto-scheduler function notifies the user when assets are ready for retesting
  • Generate professional invoices
  • Create customisable exports of testing records in CSV format

Compatible with Seaward’s PATMobile App

The Seaward PATMobile App (available for free on GooglePlay**) is a manual data entry app designed for use with Seaward’s range of PrimeTest PAT Testers. It can be used to keep records, manage test data, and create and share CSV and PDF reports on-site.

The Seaward PATMobile App is an effective and easy-to-use mobile app** with an eclectic array of features, including:

  • Recording and managing PAT results
  • A powerful search and filter for accessing required data
  • A dashboard for managing assets: indicates when appliances are out of date
  • Integrated calculators for risk-assessments and resistance
  • Auto-incrementation of asset IDs
  • User customisation: the user can upload a signature and/or company logo to be included in reports
  • Photos taken using the smartphone’s/ tablet’s camera can be included in records and reports
  • Scan 1D and 2D barcodes using the smartphone’s/ tablet’s camera
  • Scan Seaward’s Apollo QR codes using the smartphone’s/ tablet’s camera
  • Create PDF reports
  • Create CSV reports
  • Export CSV and PDF reports via email

In addition to the above features and functions, the Seaward PATMobile App can be used to print labels wirelessly via Bluetooth when used in conjunction with Seaward’s Test n Tag Pro Printer and compatible labels (sold separately).

Accessing the required features, functions or records is quick and easy as a result of the Seaward PATMobile App’s fast and intuitive interface. Please see the video below for an overview of the Seaward PATMobile App’s features and an introduction to using this data management app.

The Seaward PATMobile App is a powerful, simple and comprehensive manual data entry app.

** Please note that, currently, the Seaward PATMobile App is ONLY available for Android smartphones/ tablets with an operating system of Android 5.0 and above.

Seaward PATBAG Accessory Kit:

The Seaward PATBAG Accessory Kit is an essential bundle designed to complement Seaward’s Primetest PAT testers 50/100/250+ and is specifically tailored for electricians and PAT testers. This comprehensive kit includes everything you need to enhance your Portable Appliance Testing (PAT) process and improve overall efficiency.

The kit includes a convenient PAT Register to maintain systematic records of tested appliances, ensuring compliance with safety regulations and simplifying inspection processes. For testing equipment operating on 110V, an adaptor is included to cater to various testing scenarios.

The accessory kit also comes with 500 Fail Labels and 500 Pass Labels, offering a quick and clear way to mark appliances based on their test results, making it easier to identify faulty and safe appliances.

To keep all the components organized and readily accessible, the kit includes the durable and reliable PATBAG Carrying Case. This well-designed case helps you conveniently transport and protect your PAT testing equipment during fieldwork or on-site inspections.

Additionally, the package features a PAT Online Training Course Card, providing access to valuable training resources and guidelines for maximizing the efficiency and accuracy of your PAT testing procedures.

With the Seaward 382A951 PATBAG Accessory Kit, you can confidently and effectively carry out Portable Appliance Testing, ensuring electrical safety and compliance with industry standards. It’s the perfect companion for professionals in the field, streamlining the testing process and promoting a safe environment for users of electrical appliances.

Product Includes:

  • PAT Register
  • 110V Adaptor
  • 500 Fail Labels
  • 500 Pass Labels
  • PATBAG Carrying Case
  • PAT Online Training Course Card
  • 2-year warranty included

Seaward PrimeTest 250+ Technical Specifications

Earth Continuity
Output Current 200mA minimum into 2Ω
Test Voltage (o/c) 9V DC nominal
Test Duration (Class I Test) 2s nominal
Display Range 0.01Ω to 19.99Ω
Pass Value (Class I Test) 0.2Ω
Insulation Resistance
Test Voltage 250/500V DC @1mA nominal, <2mA (s/c)
Test Duration (Class I or II) 2s
Display Range 0.01MΩ to 19.99MΩ
Pass Value Class I: 1.0MΩ
Class II: 2.0MΩ
Equivalent Leakage
Test Voltage 40V Nominal AC 50Hz Open Circuit
Test Duration 2s
Display Range 0.1mA to 19.99mA
Pass Value 0.75mA/3.5mA (user selectable with 0.75mA as
default)/0.25mA CL II
IEC Lead Test
Test Voltage 5V DC Nominal
Test Duration Time for Test (2s max)
Test Live/Neutral Checks for o/c, s/c and crossed
Protective Conductor Current
Test Voltage Supply voltage, max current 13A
Test Duration 120s Maximum
Display Range 0.15mA to 9.99mA
Pass Value  0.75mA/3.5mA (user selectable with 0.75mA as default)
Touch Current
Test Voltage Supply voltage, max current 13A
Test Duration 120s maximum
Display Range 0.10mA to 3.50mA
Pass Value 0.25mA
3 Phase Differential Leakage Current
*Requires 3 phase adaptor accessory
Test Voltage 3 phase supply voltage
Test Duration Continuous measurements
Display Range 0.10mA to 9.99mA
Pass Value  0.75mA/3.5mA (user selectable with 0.75mA as default)
RCD Trip Time
Test Voltage Mains supply voltage
Test Current 30mA/150mA rms sinusoidal
Test Current Phase 0/180° auto switched on alternate tests
Measuring Range 0ms to 500ms
Pass Value 200ms
Power Socket Check
Input Voltage Range 225-254V AC max current 13A UK
 Indicates configuration of voltage potential: Line to earth, line to neutral, neutral to earth
Memory Size 999 Test Records
Power Source 6 x AA Batteries
  • Datalogger software
  • 0.5m extension adaptor
  • Earth lead with probe and clip
  • Mains lead
  • 6 x AA batteries
  • Seaward PAT Bag
  • USB download lead
  • Operating instructions
  • 2-year warranty included
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