PrimeTest 250
An easy to use manual PAT tester
The PrimeTest 250 will perform all of the tests required by the IEE Code of Practice, including RCD trip, protective conductor current and touch current where required. The unit also includes a 250V DC insulation test suitable for testing sensitive electrical appliances and surge protected leads.
More about the PrimeTest 250
The handheld PrimeTest 250 PAT tester features all of the portable appliance testing electrical safety tests required to meet the IEE Code of Practice including RCD trip time, protective conductor current and touch current.
This portable appliance tester also includes a 250V DC insulation test suitable for testing sensitive electrical appliances and surge protected leads, and can test 3 phase industrial plant and equipment*.
Connecting this battery-powered tester to a mains supply allows protective conductor current or touch current measurements to be made automatically.
Using the PrimeTest 250 ensures your portable appliance testing is now quicker and easier because all electrical safety tests are carried out against pre-set limits with measured test result values and clear PASS/FAIL indication on the large display.
*Adaptor required for 3 phase testing.
View the PrimeTest 250 Overview Video
PrimeTest 250 PAT Testing Kits
The Primetest 250 PATBag Kit
This PAT testing kit includes:
- PrimeTest 250 portable appliance tester
- Rugged and lightweight purpose-made PATBag carry case with compartments for all of your PAT accessories and labels
- Online PAT training course with exam and personalised certificate
- Seaward Guide to Portable Appliance Testing, a handy PAT reference look-up card
- PAT Register and Test record for keeping a record of results
- 500 Pass labels
- 500 Fail labels
- 110V adaptor
- Quick start video guide
- Seaward Business Builder CD - everything you need to know to start a PAT testing business
Part number: 345A927
Case Studies
CPJ Electrics Enjoys PAT Business Boost
Dedicated portable appliance testing equipment is helping a Wokingham-based electrical company to expand its services to small businesses. CPJ Electrics’ main activity is in el...
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Optional Accessories
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 | 0.01 ohm to 19.99 ohm |
| Pass Value (Class I Test) | 0.2Ω |
| Equivalent Leakage | |
|---|---|
| Test Voltage | 40V Nominal AC 50Hz Open Circuit |
| Test Duration | 2s – 30s nominal |
| Display Range | 0.1 mA to 19.99mA |
| Pass Value | 0.75mA CLI / 0.25mA CL II |
| Protective Conductor Current | |
|---|---|
| Test Voltage | Supply Voltage, max current 13A |
| Test Duration | 30s maximum |
| Display Range | 0.15 mA to 9.99 mA |
| Pass Value | 0.75mA/3.5mA (user selectable with 0.75mA as default) |
| 3 phase differential leakage current (*Requires 3 phase adaptor accessory) | |
|---|---|
| Test Voltage | 3 phase supply voltage |
| Test Duration | Continuous measurement |
| Display Range | 0.10 mA to 9.99 mA |
| Pass Value | 3.5mA |
| Power Socket Check | |
|---|---|
| Input voltage range | 225 – 254V AC max current 13A UK |
| Indicates configuration of voltage potential | Line potential phase to earth, Line potential phase to neutral, Line potential neutral to earth |
| Insulation Resistance | |
|---|---|
| Test Voltage | 250/500VDC @1mA nominal, < 2mA (s/c) |
| Test Duration (Class I or II) | 2s |
| Display Range | 0.01 Mohm to 19.99 Mohm |
| Pass Value | 1.0 MΩ Class I, 2.0 MΩ Class 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 |
| Touch Current | |
|---|---|
| Test Voltage | Supply Voltage, max current 13A |
| Test Duration | 30s maximum |
| Display Range | 0.10 mA to 5.00 mA |
| Pass Value | 0.25mA |
| RCD trip time | |
|---|---|
| Test Voltage | Mains supply voltage |
| Test Current | 10mA / 30mA rms sinusoidal |
| Test Current Phase | 0°/180° auto switched on alternate tests |
| Measuring Range | 0ms – 500ms |
| Pass Value | 200ms |
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