Martindale HPAT425 Handheld PAT Tester


Original price was: £245.00.£215.00Current price is: £215.00. / £258.00 incl VAT
- Handheld PAT tester for Class I, Class II & IEC lead testing
- Automatic one-button PASS / FAIL operation
- IT-safe 200mA earth bond testing
- Selectable 250V / 500V insulation testing
- Compact lightweight design with USB-C charging
- High-contrast greyscale display
- 2 year warranty
In stock (can be backordered)
Description
Martindale HPAT425 Handheld PAT Tester
Product Description
The HPAT425 Handheld PAT Tester is a compact, lightweight and easy-to-use portable appliance tester designed for fast and reliable PAT testing of Class I, Class II appliances and IEC power leads. Built for portability and simple one-button automatic operation, the HPAT425 is ideal for electricians, maintenance engineers, landlords, facilities teams and PAT testing professionals.
Featuring automatic PASS/FAIL indication, selectable 250V and 500V insulation testing, and an IT-safe 200mA earth bond test, the HPAT425 delivers safe and dependable testing for a wide range of electrical equipment, including surge-protected devices. Its high-contrast greyscale display ensures excellent visibility in varying lighting conditions, while USB-C rechargeable charging provides convenient power wherever you work.
Designed as the replacement for the HPAT400, the HPAT425 combines portability, simplicity and professional performance in a modern handheld PAT tester.
Key Features:
- Automatic Class I, Class II and IEC lead testing
- Simple one-button operation
- Clear PASS / FAIL indication
- IT-safe 200mA earth continuity test
- Selectable 250V or 500V insulation testing
- High-contrast greyscale display
- Compact, lightweight handheld design
- USB-C rechargeable with fast charging support
- Power saving auto-dimming and auto shut-off
- Suitable for testing surge-protected equipment
- Compatible with optional 110V and 3-phase adaptors
What’s Included:
The HPAT425 Handheld PAT Tester includes:
- HPAT425 PAT Tester
- TL67 earth bond probe
- EX322 IEC adaptor lead
- TC57 carry case
- USB-A to USB-C charging cable
- Instruction manual
- Verification certificate
Comparison:
| Feature | HPAT550 | HPAT650 | HPAT425 |
|---|---|---|---|
| Class I, Class II test & lead tests | Yes | Yes | Yes |
| Pass / Fail Indication | Yes | Yes | Yes |
| 200mA Earth continuity test current | Yes | Yes | Yes |
| Insulation Test Voltage 250V & 500V | Yes | Yes | Yes |
| Rechargeable (via USB-C) | Yes | Yes | Yes |
| Sequenced test mode | Yes | Yes | Yes |
| Test values displayed | Yes | Yes | — |
| Display | Full colour | Full colour | Greyscale |
| Earth bond probe nulling | Yes | Yes | — |
| Single test execution mode | — | Yes | — |
| Results storage | — | 100 results | — |
| Substitute leakage test | — | Yes | — |
| Selectable pass limits | — | Yes | — |
| Specification | HPAT425 | HPAT550 | HPAT650 |
|---|---|---|---|
| EARTH CONTINUITY | |||
| Test voltage | >4V DC (open circuit) | >4V DC (open circuit) | >4V DC (open circuit) |
| Test current | >200mA DC (short circuit) | >200mA DC (short circuit) | >200mA DC (short circuit) |
| Range | 0.01 – 20Ω | 0.01 – 20Ω | 0.01 – 20Ω |
| Resolution | 0.01Ω | 0.01Ω | 0.01Ω |
| Accuracy | ± (5% of reading + 2 digits) | ± (5% of reading + 2 digits) | ± (5% of reading + 2 digits) |
| Pass limits | ≤0.1Ω0.11Ω to ≤0.30Ω long lead0.31Ω to ≤0.50Ω extra long lead | Fixed ≤0.1Ω≤0.5Ω selectable pass for long cable | Default ≤0.1ΩUser settable ≤0.5Ω selectable pass for long cableUser settable limits ≤0.1Ω to ≤0.9Ω in 0.1Ω steps |
| INSULATION | |||
| Test voltage | User selectable >250V DC at 1mA / >500V DC at 1mA | User selectable >250V DC at 1mA / >500V DC at 1mA | User selectable >250V DC at 1mA / >500V DC at 1mA |
| Open circuit voltage | <312.5V DC / <625V DC | <312.5V DC / <625V DC | <312.5V DC / <625V DC |
| Test current | <2mA (short circuit) | <2mA (short circuit) | <2mA (short circuit) |
| Range | 0.01MΩ – 100MΩ | 0.01MΩ – 100MΩ | 0.01MΩ – 100MΩ |
| Resolution | 0.01MΩ (10kΩ – 2MΩ)0.1MΩ (2MΩ – 20MΩ)1MΩ (20MΩ – 100MΩ) | Same as HPAT425 | Same as HPAT425 |
| Accuracy | ± (5% of reading + 2 digits) | ± (5% of reading + 2 digits) | ± (5% of reading + 2 digits) |
| Pass level | Lead: ≥1.0MΩClass I: ≥1.0MΩClass II: ≥2.0MΩ | Same as HPAT425 | Same as HPAT425 |
| User settable pass level | — | — | ≥0.3MΩ to ≥1MΩ in 0.1MΩ steps≥1MΩ to ≥10MΩ in 1MΩ steps |
| SUBSTITUTE LEAKAGE TEST | — | — | |
| Test voltage | — | — | <50V AC (open circuit) |
| Test current | — | — | 0.02–20mA DC (short circuit) |
| Accuracy | — | — | ± (5% reading + 2 digits) |
| Pass level | — | — | ≤5mA |
| MEMORY | |||
| Test records | — | — | 100 tests stored for on-screen recall |
| POWER | |||
| Batteries | 3.7V 5000mAh lithium polymer battery (non-user replaceable) | Same as HPAT425 | Same as HPAT425 |
| Battery life | Minimum 1700 complete tests per charge | Same as HPAT425 | Same as HPAT425 |
| Auto power down | Auto dimming after 3 minutesAuto power down after 5 minutes inactivity | Same as HPAT425 | Same as HPAT425 |
| ENVIRONMENTAL | |||
| Location | Indoor use and outdoor use in dry weather only | Same as HPAT425 | Same as HPAT425 |
| Altitude | Up to 2000m | Up to 2000m | Up to 2000m |
| Operating temperature | 0°C to 40°C | 0°C to 40°C | 0°C to 40°C |
| Humidity | ≤80% RH up to 31°C, reducing to 50% RH at 40°C | Same as HPAT425 | Same as HPAT425 |
| Ingress protection | IP20 | IP20 | IP20 |
| Pollution degree | 2 | 2 | 2 |
| GENERAL | |||
| Overload protection | 300V AC/DC | 300V AC/DC | 300V AC/DC |
| Protection class | IP20 | IP20 | IP20 |
| Safety | Complies to BS EN 61010-1 | Complies to BS EN 61010-1 | Complies to BS EN 61010-1 |
- HPAT425 PAT Tester
- TL67 earth bond probe
- EX322 IEC adaptor lead
- TC57 carry case
- USB-A to USB-C charging cable
- Instruction manual
- Verification certificate
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