MT03A — USB Milliohm, Earth Bond and Motor Tester
USB-connected milliohm, earth-bond and single/three-phase motor resistance test kit for low-resistance measurement, winding checks and earth-bond verification with minimum 200 mA test current.
| Model | Function | Motor Support | Interface | SKU |
|---|---|---|---|---|
| MT03A | Milliohm / earth bond / motor test | Single and 3-phase | USB PC connection | PQ326 |
Key Features
Low-resistance Measurement
Designed for accurate milliohm measurements on conductors, windings, busbars and bond paths.
Single and Three-phase Motor Test
Supports resistance testing of windings in single-phase and three-phase motors for maintenance and quality checks.
Earth-bond Verification
Pico positions the MT03A for earth-bond testing in compliance-focused workflows including UN ECE R100-related applications.
Fast Test Workflow
Resistance testing of all windings on a 3-phase motor can be completed in under a minute.
Temperature Compensation
Measurement workflow can compensate results for temperature to improve resistance comparison quality.
USB Reporting
USB connection supports PC-based analysis, reporting and record generation.
Specifications
| Parameter | Unit | Value / Description |
|---|---|---|
| TEST FUNCTIONS | ||
| Low-resistance testing | — | Milliohm measurement |
| Earth-bond testing | — | Minimum 200 mA test current |
| Motor support | — | Single and 3-phase motor winding resistance |
| WORKFLOW | ||
| Measurement time | — | All windings on a 3-phase motor in under a minute |
| Compensation | — | Automatic temperature compensation workflow |
| Interface | — | USB PC connectivity |
| APPLICATIONS | ||
| Industries | — | EV, rail, manufacturing, HVAC, water treatment, renewables and research |
Applications
Teaching and Lab Experiments
Compact USB-connected data acquisition for university labs, teaching benches and student project setups.
Machine and Process Logging
Long-term voltage, current, temperature or resistance logging for process visibility and troubleshooting.
Prototype Validation
Record sensor outputs, control signals and environmental parameters during product development.
Verification Records
Generate repeatable test records for incoming inspection, burn-in checks and validation workflows.
Energy and Environment Monitoring
Track temperature, current or low-voltage sensor signals over hours, days or weeks.
Custom Data Capture
Use SDK/API workflows to integrate data acquisition into custom scripts and dashboards.
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