Important Notice
This item is made-to-order exclusively for you once your order is placed. As a result, it is not eligible for cancellation or return under our standard policy. Your statutory rights remain unaffected.
Martindale HPAT425 Portable Appliance Tester (PAT)
- High-quality greyscale display
- PASS / FAIL indication
- Automatic testing
SKU
HPAT425
MPN
HPAT425
The Martindale HPAT425 is a compact portable appliance tester that provides automatic test sequences for Class I, Class II, and IEC power leads, with a clear PASS/FAIL indication on a high-contrast greyscale display. An IT-safe 200 mA earth bond test is included, along with selectable 250 V or 500 V insulation testing.
The unit is USB-C rechargeable with fast charging support and incorporates a power-saving mode.
Key Features
- Compact, portable design
- High-quality greyscale display
- Clear and simple PASS / FAIL indication
- Automatic testing of Class I, Class II & IEC power lead tests
- IT safe 200mA earth bond test
- Selectable 250V or 500V insulation test
- USB-C rechargeable, fast charge support and power saving mode
| HPAT425 | HPAT550 | HPAT650 | |
|---|---|---|---|
| Class I, Class II Test & Lead Tests | ✔ | ✔ | ✔ |
| Pass / Fail Indication | ✔ | ✔ | ✔ |
| 200mA Earth Continuity Test Current | ✔ | ✔ | ✔ |
| Insulation Test Voltage 250V & 500V | ✔ | ✔ | ✔ |
| Rechargeable (via USB-C) | ✔ | ✔ | ✔ |
| Sequenced Test Mode | ✔ | ✔ | ✔ |
| Test Values Displayed | ✘ | ✔ | ✔ |
| Greyscale Display | ✔ | ✘ | ✘ |
| Full Colour Display | ✘ | ✔ | ✔ |
| Earth Bond Probe Nulling | ✘ | ✔ | ✔ |
| Single Test Execution Mode | ✘ | ✘ | ✔ |
| Memory (100 Results) | ✘ | ✘ | ✔ |
| Substitute Leakage Test | ✘ | ✘ | ✔ |
| Selectable Pass Limits | ✘ | ✘ | ✔ |
What's Included?
- Martindale HPAT425 Portable Appliance Tester
- TL67 earth bond probe
- EX322 IEC adaptor lead
- TC57 carry case
- USB-A to USB-C cable
- Instruction manual
- Verification certificate
£269.00
£322.80 inc vat
In Stock:
Available Next Working Day*
60 Day Returns
Offers
FREE PAT Reference Card
- PAT Testing Reference Card 5th Edition - PAT-TEST-CARD, typically £5.00
Technical Information
Specification
| HPAT425 | HPAT550 | HPAT650 | |
|---|---|---|---|
| Earth Continuity | |||
| Test Voltage | >4V DC (into open circuit) | ||
| Test Current | >200mA DC (into short circuit) | ||
| Range | 0.01 - 20Ω | ||
| Resolution | - | 0.01Ω | |
| Accuracy | ± (5% of reading + 2 digits) | ||
| Fixed / Default Pass Limits | ≤0.1Ω 0.11Ω to ≤0.30Ω long lead 0.31Ω to ≤0.50Ω extra long lead |
Fixed ≤0.1Ω ≤0.5Ω selectable pass for long cable |
Default ≤0.1, user settable ≤0.5Ω selectable pass for long cable |
| User-Settable Limits | - | - | ≤0.1Ω to ≤0.9Ω in 0.1Ω steps |
| Insulation | |||
| Test Voltage | User selectable >250V DC at 1mA
/ >500V DC at 1mA (<312.5V DC open circuit / <625V DC open circuit) |
||
| Test Current | <2mA (into short circuit) | ||
| Range | 0.01MΩ - 100MΩ | ||
| Resolution | - | 0.01MΩ (10kΩ - 2MΩ) 0.1MΩ (2MΩ - 20MΩ) 1MΩ (20MΩ - 100MΩ) |
|
| Accuracy | 5% reading + 2 digits | ||
| Pass Level | Lead: ≥ 1.0MΩ Class I: ≥1.0MΩ Class II: ≥2.0MΩ |
||
| 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 (into open circuit) 0.02-20mA DC (into 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) | ||
| Battery Life | Fully charged, minimum 1700 complete tests, approx. | ||
| Auto Power Down | Auto dimming after 3 minutes, Auto power down after 5 minutes of inactivity | ||
| Environmental | |||
| Location | Suitable for indoor and outdoor use in dry weather conditions only | ||
| Altitude | Up to 2000m | ||
| Operating Temperature | 0°C to 40°C | ||
| Humidity | ≤80% RH up to 31°C, decreasing linearly to 50°C RH at 40°C | ||
| Ingress Protection Class | IP20 | ||
| Pollution Degree | 2 | ||
| General | |||
| Overload Protection | 300V AC/DC | ||
| Protection Class | IP20 | ||
| Safety | Complies with BS EN 61010-1 | ||
Document Downloads
Martindale HPAT Series Portable handheld PAT Testers Datasheet
Martindale HPAT425 Portable Appliance Tester User Manual
Additional Information
SKU
HPAT425
Manufacturer Part Code
HPAT425
Martindale HPAT425 Portable Appliance Tester (PAT)
£269.00
£322.80 inc vat
£269.00
£322.80 inc vat
