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Pico Technology
The MT03A Milliohm & Motor Tester is a revolutionary device capable of changing the way low-resistance testing is performed. The MT03A producing highly accurate results that can automatically compensate for temperature using the included sensor, and delivers resistance testing of all windings on a 3-phase motor in under a minute.
Designed to meet the needs of technicians and engineers in a wide range of industries, including automotive, off-highway, heavy-duty, industrial, marine, rail, mining, heavy equipment, and power, the MT03A is the ultimate low-resistance testing tool. With its earth-bond testing in compliance with UN ECE R100 regulations and a minimum test current of 200 mA, the MT03A has widespread applications, including pumps, motors, valves, actuators, conductors, and more.
A complete 3-phase motor winding resistance test in less than one minute!
This innovative device is perfect for checking grounds to control modules, earth straps, motor cables, safety grounds, and weld contact quality. The MT03A features USB connectivity for easy integration with a PC, without needing any external power supply, and comes encased in a durable rubber boot with a hanging bracket for ease of use, while the included S-hook allows for effortless mounting.
The dedicated Windows software application has a clear user interface that provides simplicity, speed, and complete control over the tester. The highly accurate milliohm values can be automatically temperature-compensated, and the MT03A ensures precision and reliability even in varying temperature conditions. A set of Kelvin clips is included to minimize contact resistance effects when connecting the measurement unit to the component under test.
Specifications:
| Resistance measurement range | Autoranging up to 2 Ω |
| Resistance resolution | 10 µΩ |
| Resistance accuracy (typical) | ±(0.5% + 100 µΩ) |
| Temperature resolution | 0.2 °C (0.36 °F) |
| Temperature accuracy (typical) | ±0.5 °C (0.9 °F) |
| Input protection | ±30 V |
| Weight | <0.5 kg |
| Dimensions | 190 x 141 x 42 mm |
| Connection | USB (4.5 m USB2 cable supplied |
| PC requirements | Windows 10 or 11 (64-bit application) |
Environmental:
| Environment | Storage | Operating | Quoted accuracy |
| Temperature | –20 to +60 °C (–4 to 140 °F) | 0 to 40 °C (32 to 104 °F) | 15 to 30 °C (59 to 86 °F) |
| Humidity | 5 to 95 %RH (non-condensing) | 5 to 80 %RH (non-condensing) | |
| Altitude | Up to 15 000 m (49 200 ft) | Up to 2 000 m (6 560 ft) | |
| Pollution degree | 2 |
MT03A Milliohm Motor Tester Kit
.jpg?versionId=Nj7DkpNQir5bjjUKYseG5yxE7ipTi3_B)

Pico Technology
MT03A Milliohm Motor Tester Kit
The MT03A Milliohm & Motor Tester is a revolutionary device capable of changing the way low-resistance testing is performed. The MT03A producing highly accurate results that can automatically compensate for temperature using the included sensor, and delivers resistance testing of all windings on a 3-phase motor in under a minute.
Designed to meet the needs of technicians and engineers in a wide range of industries, including automotive, off-highway, heavy-duty, industrial, marine, rail, mining, heavy equipment, and power, the MT03A is the ultimate low-resistance testing tool. With its earth-bond testing in compliance with UN ECE R100 regulations and a minimum test current of 200 mA, the MT03A has widespread applications, including pumps, motors, valves, actuators, conductors, and more.
A complete 3-phase motor winding resistance test in less than one minute!
This innovative device is perfect for checking grounds to control modules, earth straps, motor cables, safety grounds, and weld contact quality. The MT03A features USB connectivity for easy integration with a PC, without needing any external power supply, and comes encased in a durable rubber boot with a hanging bracket for ease of use, while the included S-hook allows for effortless mounting.
The dedicated Windows software application has a clear user interface that provides simplicity, speed, and complete control over the tester. The highly accurate milliohm values can be automatically temperature-compensated, and the MT03A ensures precision and reliability even in varying temperature conditions. A set of Kelvin clips is included to minimize contact resistance effects when connecting the measurement unit to the component under test.
Specifications:
| Resistance measurement range | Autoranging up to 2 Ω |
| Resistance resolution | 10 µΩ |
| Resistance accuracy (typical) | ±(0.5% + 100 µΩ) |
| Temperature resolution | 0.2 °C (0.36 °F) |
| Temperature accuracy (typical) | ±0.5 °C (0.9 °F) |
| Input protection | ±30 V |
| Weight | <0.5 kg |
| Dimensions | 190 x 141 x 42 mm |
| Connection | USB (4.5 m USB2 cable supplied |
| PC requirements | Windows 10 or 11 (64-bit application) |
Environmental:
| Environment | Storage | Operating | Quoted accuracy |
| Temperature | –20 to +60 °C (–4 to 140 °F) | 0 to 40 °C (32 to 104 °F) | 15 to 30 °C (59 to 86 °F) |
| Humidity | 5 to 95 %RH (non-condensing) | 5 to 80 %RH (non-condensing) | |
| Altitude | Up to 15 000 m (49 200 ft) | Up to 2 000 m (6 560 ft) | |
| Pollution degree | 2 |