Seaward Primetest 100 PAT Tester
The Seaward Primetest 100 PAT Tester is a compact, handheld instrument designed for low-volume portable appliance testing. It combines earth continuity, insulation resistance and substitute leakage testing in one easy-to-use unit. With three dedicated test buttons and a clear LCD screen, users can carry out routine electrical safety checks without complex controls. Its battery-powered design also allows testing at different sites without relying on a mains supply to power the tester.
Designed for straightforward testing, the instrument offers pre-programmed test sequences for Class I appliances, Class II appliances and IEC leads. Simply select the required test mode to begin the relevant checks and view the measured results on the display. The Seaward Primetest 100 PAT Tester provides clear pass or fail indications to help users assess test results quickly. Users can also select earth continuity pass limits of 0.1, 0.2 or 0.3 ohms and choose between 250V and 500V insulation resistance test voltages.
For added flexibility, the tester supports long lead testing, Class I and Class II appliance checks and Class I functional earth equipment testing. It also carries out a mains supply check to assess socket wiring and voltage when connected to a power outlet. The Seaward Primetest 100 PAT Tester works with the PATMobile app, allowing users to enter results manually, add images and manage their test records. With a rugged enclosure and a simple operating layout, it offers a practical choice for routine electrical safety testing and manually recorded PAT inspections.
Key Benefits
- Simple three-button operation helps users select test modes quickly without working through complex menus.
- Clear LCD screen shows measured values and pass or fail indications for easy reading during inspections.
- Battery-powered operation allows the tester to be used at different sites without a mains supply for the instrument.
- Pre-programmed test sequences make it easy to move between Class I, Class II and IEC lead testing.
- Selectable 250V and 500V insulation test voltages provide flexibility when checking different appliances.
- Adjustable earth continuity limits allow users to select the required pass threshold for their tests.
- Built-in mains supply checks help users assess socket wiring and supply voltage before testing.
- Support for the PATMobile app helps users maintain digital records, attach photographs and manage test results.
- Compact, rugged construction makes the instrument practical for regular handling and use across different locations.
Common Applications
Seaward Primetest 100 PAT Tester is suitable for a range of testing, maintenance and inspection tasks, including:
- Low-volume portable appliance testing.
- Routine electrical safety checks on Class I appliances.
- Insulation resistance testing on Class II appliances.
- Earth continuity testing on appliances with protective earth connections.
- Substitute leakage testing during appliance inspections.
- IEC lead testing for earth continuity, insulation resistance and wiring polarity.
- Long extension lead testing.
- Testing Class I functional earth equipment.
- Checking mains socket wiring and supply voltage.
- Manually recording PAT results and managing inspection records through the PATMobile app.
Why Choose This Model?
The Seaward Primetest 100 PAT Tester combines simple manual operation with substitute leakage testing, selectable insulation test voltages and PATMobile app support. Compared with the PrimeTest 50, it also provides substitute leakage testing, while retaining the same 200mA earth continuity test current and 250V/500V insulation test options.











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