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Seaward Apollo 400+ PAT Tester

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The new Seaward Apollo 400+ is 2018’s relaunch of the ever-popular Apollo 400, designed to improve on the existing features as well as an update designed for both current and future Apollo users, meaning that these newly added benefits can be used by existing Apollo owners.

The 400+ provides a wide range of electrical safety tests suitable for any workplace testing requirements and ensures compliance with the IET 5th Edition Code of Practice as well as point-to-point testing of fixed appliances. (Requires additional accessory)

Seawards Apollo 400+ has the ability to store up to 2000 records in its internal memory and is ideal for any carrying out mid-volume PAT Testing, the PAT Tester can perform the following tests:

  • Low current earth continuity test
  • Point-to-point testing (earth continuity and insulation resistance)*
  • Insulation resistance test
  • IEC lead test
  • Protective conductor current test
  • Touch current test
  • Load power/current test
  • Alternative leakage current test
  • RCD test
  • Power socket test

*For point-to-point testing, optional Accessory is required.

Please see the video below for an overview of the Seaward Apollo 400+ PAT Tester. 

What’s New?

Hardware Update

The hardware features of the Apollo haven’t deviated too much from the original hardware, but now feature an interchangeable rechargeable battery, meaning reduced downtime if you have a large number of appliances to test.

The tester will now be supplied with an additional wiring harness and removable battery

Firmware Update

The biggest change to the Apollo 400 is the new firmware update and the improved usability of the user interface, meaning the update has been specifically targeted to user’s needs.  

The Apollo 400+ updated features:

  • New user permissions for Bluetooth
  • Delete unwanted results
  • Improved data view – Allows the user to sort data and can filter by a number of methods including PASS/Fail status
  • A more advanced search function
  • Automatically print test results option added to the ‘After test’ option
  • ‘Worst’ or ‘Last’ has been added as an option to the leakage test
  • Delete items from the predictive drop-down lists
  • USB on-the-go technology means you can download directly to an Android device
  • Name downloaded files with unique identifiers to find them easier
  • Addition of a socket outlet test which measures main voltage and outlet wiring polarity
  • The asset ID is now displayed on all test screens allowing you to keep track of what you are currently testing
  • Review step – Check test details before making final comments

The accessories that come supplied with the tester have also been improved; the test leads now feature a stronger PVC insulation and sturdier probes for more demanding usage. 


The Apollo 400+ is compatible with the new PAT guard 3.4 which now includes Time Manager (Software sold separately)

Key Features:

  • Onboard storage for up to 2,000 appliance records
  • Safety tests which ensure compliance with the IET 5th Edition Code of Practice
  • Interchangeable rechargeable battery
  • Create up to 25 user configurable electrical test and visual inspection sequences
  • Point to point measurement (Rpe & IR) - needs an optional accessory
  • Bluetooth, Scanner and Printer compatible
  • Remote data transfer from field to the office
  • High definition colour display
  • Suitable for mid-volume PAT Testing
  • Improved user interface for intuitive functionality and ease of use
  • Full QWERTY Keyboard
  • Easy to use - Plug & Play test sequences

Operating the Seaward Apollo+ PAT Testers

The following videos offer a brief introduction to using some of the Seaward Apollo+ PAT Testers' features. 

Switching on the Bluetooth Setting

Setting Up a Printer to Work with the Apollo+

Connecting a Printer to the Apollo+

Pairing a 1D Scanner with the Apollo+

Pairing a 2D Scanner with the Apollo+

Uploading a Company Logo to the Apollo+ for use on Printing Labels

Uploading a Background Image to the Apollo+

Changing the Background Image on the Apollo+

Deleting a Single Asset from the Apollo+

Deleting Test Results from the Apollo+

Confirming Firmware and Calibration Information on the Apollo+

Updating Firmware on the Apollo+

Factory Resetting the Apollo+

Whats Included?

  • Apollo 400+
  • Red Test Lead 1.2m with Alligator Clip
  • IEC Extension Lead, 0.5m
  • Black Mains Lead
  • USB Download Lead
  • UKAS Calibration Certificate
  • Quick Start Guide
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Part Code380A930

Apollo 400+ Specifications 

Earth Continuity
Test Current ±200mA DC
Display Range 0.01 to 19.99Ω
Pass Value User-defined
Insulation Resistance
Test Voltage 500V/250V DC @ 1mA nominal
Display Range 0.01MΩ to 19.99MΩ
Pass Value User-defined
IEC Lead Test
Test Voltage 5V AC nominal
Test Live/neutral checks for o/c, s/c and crossed
Protective Conductor Current/Load
Test Voltage Supploy voltage, maximum load current 16A
Display Ranges 0.01mA to 19.99mA
Pass Value User-defined
Touch Current
Test Voltage Supply voltage, maximum load current 16A
Display Ranges 0.00 to 3.50mA
Pass Value User-defined
Load Power/Current
Test Voltage Supply voltage, maximum load current 16A
Test Duration Programmable up to a maximum of 255s depending on load. i.e max duration is reduced for high loads
Display Range 0.00kVA to 4.00kVA
0.00A to 16.00A
Alternative Leakage Current
Test Voltage >25V AC < 50V AC
Display Range 0.00mA to 19.99mA
Pass Value User-defined
RCD Test
Test Voltage 230V +10%, -15%
Test Current 30mA / 150mA rms sinusoidal
Display Range 0ms to 2000ms (30mA), 0ms to 40ms (150mA)
Test Method Internal isolation to avoid tripping distribution board RCD
Power Socket Test
Voltage Range 207 to 253V AC
Indicates Configuration of Voltage Potential Line potential phase to earth
Line potential phase to neutral
Line potential neutral to earth
General Specifications
Memory Size 2000 records
Weight 1.5kg
Dimensions 230 x 150 x 100mm
Power Source Mains or rechargeable battery pack

Comparison Chart

General Features 600+ 500+ 400+
Battery & mains powered
Colour screen & QWERTY keypad
Large internal memory up to 50,000 records and 2,000 photos up to 10,000 records up to 2,000 records
Bluetooth scanner & printer compatible
Password controlled user accounts
Set up multiple user accounts with varying levels of privileges
Clone facility to set up multiple testers
Checkbox supplied as standard
Test Inspection Features 600+ 500+ 400+
Auto-increment asset ID
PAT Setup option to allow for custom menus
Enter asset description after test using the keypad or barcode scanner
Comprehensive electrical safety test features 
Point to point measurement (Rpe & IR)  Optional accessory required
User configurable electrical test/visual inspection sequences 100 100 25
User set sites & locations 100 100 50
Risk-based retest period calculator
User definable comments lines against test records 4 4
Configurable checklists for any workplace test or inspection (user tests)
Onboard camera
Universal risk assessment
Health & safety certificates
Data Transfer 600+ 500+ 400+
1D and 2D Scanner connectivity Reads 1D Data Only
Read QR code (2D) labels with 2D scanner
RFID reader connectivity
Print Pass & Fail labels with 1D barcode
Print Pass & Fail labels with QR code (2D)
Add your company logo to labels (on large 1D labels only)
Select from various label formats to print 6 6 6
Download to PC via USB cable
Data Transfer via USB flash drive
Filter results to be downloaded
Upload previous results to the tester for a retest
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