USB Milliohm, Earth Bond, Single & 3 Phase Motor Tester

Milliohm, earth bond and motor tester solution, offering resistance testing of all windings on single and 3‑phase electric motors. See accurate results in under a minute.

^£599

PQ326

USB Milliohm, Earth Bond, Single & 3-Phase Motor Testing kit

Designed to meet the milliohm testing needs of technicians and engineers in a wide range of industries, the MT03A is the ultimate low-resistance milliohm testing tool.

The MT03A features earth bond testing in compliance with UN ECE R100 regulations and a minimum test current of 200 mA. With its single and 3-phase testing capabilities, it can perform tests on a range of equipment, including transmission transformers, distribution transformers, servo motor testing and generator testing.

Features

High Precision Measurement: Pico's milliohm testers are engineered for a high level of precision, allowing you to accurately measure low-resistance values with confidence.
Fast measurement speed: The MT03A offers resistance testing of all windings on a 3‑phase motor in under a minute.
Accuracy & Compensation: the MT03A produces highly accurate results that can automatically compensate for temperature.
USB PC Connectivity: the MT03A can be connected to a computer or laptop for data analysis and reporting.

Typical Applications

Electric Vehicles (EV)
Rail
Industrial manufacturing
Elevators & escalators
HVAC
Water treatment
Mining & drilling
Wind turbines and renewables
Scientific research

3-Phase Motor & Winding Resistance Testing

When it comes to ensuring the efficient and reliable performance of 3-phase motors, precision is paramount. Our MT03A Motor and Milliohm Tester Kit is an invaluable tool for professionals engaged in single and 3-phase motor testing, repair, or quality control. The MT03A also acts as a 3-phase winding resistance tester, allowing you to accurately measure single and 3-phase motor resistance, helping you identify potential issues such as winding faults or loose connections.

By utilizing the MT03A's advanced resistance testing capabilities, you can perform comprehensive 3-phase motor resistance testing quickly and efficiently. This enables you to pinpoint problems early, reducing downtime and preventing costly breakdowns. Whether you're working with industrial machinery or electric vehicles, the MT03A kit is an essential asset for any motor testing application.

Earth Bond Testing in Compliance with UN ECE R100 Regulations

Ensuring the safety and compliance of electrical systems is a top priority, especially when dealing with automotive and transportation applications. Our MT03A Motor and Milliohm Tester Kit goes beyond motor testing, offering a dedicated solution for earth bond testing in accordance with UN ECE R100 regulations.

Our MT03A kit is engineered to help you meet stringent safety standards by accurately measuring earth bond resistance. It ensures that your electrical systems are properly grounded, reducing the risk of electrical hazards and ensuring compliance with international regulations.

Whether you're testing vehicles, charging infrastructure, or other electrical installations, the MT03A's earth bond testing capabilities provide the precision and compliance assurance you need.

Milliohm Testing

For professionals requiring precise milliohm measurements, our MT03A milliohm testing kit offers a versatile solution. The kit allows you to measure circuit resistances with 10 microohms precision.

Our dedicated Windows PC software application provides 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. The Kelvin clips are also included to minimize contact resistance effects when connecting the measurement unit to the component under test.

In essence, the MT03A Motor and Milliohm Tester Kit caters to a wide range of professionals and industries where precise electrical measurements, single and 3-phase motor testing, and compliance with safety standards are essential for efficient and reliable operations.

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

Application Video

Customer reviews

1 review | Add review

John Donny
USB Milliohm, Earth Bond, Single & 3 Phase Motor Tester

This is an outstanding product. Would highly recommend if it fits your needs

Industry comparison
	Frequency and power range	Sweep types, length and speed	Port interfaces and match	Dynamic range	Trace noise stability and accuracy	Features summary
Pico Technology PicoVNA 106 $5995	0.3 MHz to 6 GHz at 10 Hz resolution –20 to 6 dBm	Frequency: Linear CW Linear + Dwell Power: Linear up to 10001 pts at 5 s2p/ms*	N(f) ports with bias-Ts Load 46 / 16 dB Source 46 / 16 dB Directivity 47 dB	Typically: 118 dB @10 Hz Guaranteed: 108 dB 10–4000 MHz 100 dB 0.3–6000 MHz	± 0.005 dB RMS ± 0.02 dB/°C. Measured at maximum bandwidth. Transmission: ±0.1 dB, ±1° Reflection: ±0.5 dB, ±4°	Reference Offset, Embed / De-embed, Time Domain, P1dB utility, AM to PM utility
Copper Mountain Cobalt C1209 $22,495	0.1 MHz to 9 GHz at 1 Hz resolution –60 to 15 dBm	Frequency: Linear Logarithmic Segmented Power: Linear up to 500001 pts at 48 s2p/ms*	N(f) ports Load 46 / 20 dB Source 40 / 20 dB Directivity 46 / 20 dB	Typically: 162 dB @1 Hz Guaranteed: 148 dB 1–8000 MHz 138 dB 1–9000 MHz	± 0.001 dB RMS ± 0.02 dB/°C. Measured in 3 kHz bandwidth. Transmission: ±0.1 dB, ±1° Reflection: ±0.4 dB, ±3°	Reference Offset, Embed / De-embed, Time Domain, Time Gating, P1dB utility, Mixed Frequency
Copper Mountain S5065 $12,995	0.01 MHz to 6.5 GHz at 1 Hz resolution –50 to 5 dBm	Frequency: Linear Logarithmic Segmented Power: Linear up to 200001 pts at 7 s2p/ms*	N(f) ports Load 46 / 18 dB Source 40 / 18 dB Directivity 46 / 18 dB	Typically: 130 dB @1 Hz Guaranteed: 125 dB 0.3–4800 MHz 120 dB 0.3–6500 MHz 75 dB 0.1–6500 MHz	± 0.0021 dB RMS ± 0.02 dB/°C. Measured in 3 kHz bandwidth. Transmission: ±0.1 dB, ±1° Reflection: ±0.4 dB, ±3°	Reference Offset, Embed / De-embed, Time Domain, Time Gating, P1dB utility, Mixed Frequency
Anritsu Shockline MS46122B-010 $17,490	1 MHz to 8 GHz at 1 Hz resolution –20 to 5 dBm	Frequency: Linear CW + dwell Logarithmic Segmented up to 16001 pts at 3.8 s2p/ms*	N(f) ports Load 42 / 8 dB Source 33 / 8 dB Directivity 42 dB / 8 dB	Typically: 110 dB @10 Hz Guaranteed: ≥100 dB 10 MHz–8 GHz	± 0.006 dB RMS ± 0.02 dB/°C. Measured at maximum bandwidth. Transmission: ±0.08 dB, ±0.5° Reflection: ±0.37 dB, ±2.2°	Reference Offset, Embed / De-embed, Time Domain ($ opt), Time Gating ($ opt), Mixed Frequency, kQ product / ɳmax
Anritsu Shockline MS46322A-008 $22,973	0.05 MHz to 8 GHz at 1 Hz resolution –20 to 5 dBm	Frequency: Linear CW + dwell Logarithmic Segmented up to 16001 pts at 3.8 s2p/ms*	N(f) ports Load 42 / 8 dB Source 33 / 8 dB Directivity 42 dB / 8 dB	Typically: 115 dB @10 Hz Guaranteed: ≥100 dB 10 MHz–8 GHz	± 0.006 dB RMS ± 0.02 dB/°C. Measured at maximum bandwidth. Transmission: ±0.08 dB, ±0.5° Reflection: ±0.37 dB, ±2.2°	Reference Offset, Embed / De-embed, Time Domain ($ opt), Time Gating ($ opt), Mixed Frequency, kQ product / ɳmax
Tektronix TTR506A $12,000	0.1 MHz to 6 GHz at 1 Hz resolution –50 to 7 dBm	Frequency: Linear Logarithmic up to No spec. pts at No spec. s2p/ms*	N(f) ports with bias-Ts Load 37 / 7 dB Source 34 / 25 dB Directivity 36 / 25 dB	Typically: 122 dB @No spec. Hz Guaranteed: ≥124 dB typ. 2–200 MHz ≥125 dB 200 MHz–3 GHz ≥122 dB 3–6 GHz	± 0.008 dB RMS ± 0.015 dB/°C. Measured at maximum bandwidth. Transmission: ±0.2 dB, ±2° Reflection: ±No spec. dB, ±°	Reference Offset ? Embed / De-embed ?
Keysight ENA E5063A-265	0.1 MHz to 6.5 GHz at 1 Hz resolution –20 to 0 dBm	Frequency: Linear Logarithmic Segmented up to 10001 pts at 5 s2p/ms*	N(f) ports Load 45 / 11 dB Source 44 / 25 dB Directivity 52 / 25 dB	Typically: 122 dB @10 Hz Guaranteed: >93 dB 0.3–8.5 MHz >116 dB 8.5 MHz to 4.34 GHz >112 dB 4.43 GHz to 6.5 GHz	± 0.005 dB RMS ± 0.02 dB/°C. Measured at maximum bandwidth. Transmission: ±0.07 dB, ±0.5° Reflection: ±0.13 dB, ±0.9°	Reference Offset, Embed / De-embed, Time Domain ($ opt), kQ product / ɳmax
Rohde & Schwarz ZVL6 $28,485	0.009 MHz to 6 GHz at 1 Hz resolution –50 to 10 dBm	Frequency: Linear Logarithmic Segmented up to 4001 pts at 3.3 s2p/ms*	N(f) ports Load 46 / 14 dB Source 40 / 14 dB Directivity 46 / - dB	Typically: 123 dB @10 Hz Guaranteed: >115 dB 20 MHz to 5 GHz >105 dB 7 MHz to 6 GHz	± 0.005 dB RMS ± 0.02 dB/°C. Measured at maximum bandwidth. Transmission: ±0.2 dB,± 2° Reflection: ±1 dB, ±6°	Reference Offset, Time Domain ($ opt), Time Gating ($ opt)
All prices and specifications retrieved from manufacturer/distributors on June 1^st 2017