AIP universal motor stator tester test items mainly include hi-pot, insulation resistance, surge, and DC winding resistance.

AIP universal motor stator tester is used in power tool, small home appliance, automotive auxiliary motor, vacuum cleaner, gardening tool, and other industries.


Universal motor stator tester

This tester able to test the series wound universal motor stators, such as power tool, small home appliance, automotive auxiliary motor, vacuum cleaner, gardening tool etc. AIP stator tester automatically performs all electrical tests at one-stop, detecting the coil insulation problem effectively and accurately, which assures the motor quality before they are placed into service. 

Key Features

Intelligent: support to connect with the Internet to share data and resources.

Modular design: independent testing module, each function has a corresponding modular card.

High performance: high voltage, insulation, surge, and resistance can be tested at one-stop.

Strong adaptability: surge test support to test winding over 10uH, testing voltage closed loop feedback make the accuracy higher.

Easy to maintain: support self-diagnose, remote failure diagnosis, and software upgrading. Modular card design makes hardware maintenance easily.

High efficiency: all tests are performed at one-stop with one leads connection.

Easy-to-use: professional test software, humanized operating interface, built-in user manual, support both touch screen and numeric keyboard operating.

Multiple interfaces: optional equipped with USB, LAN, RS232, RS485, and Can port, support TCP/IP network protocol and PLC technology.

Language choice: English and Chinese option


High voltage output closed-loop feedback ensures voltage precision.

Resistance temperature compensation: automatically converted the tested value to that under standard temperature.

Automatic test and manual test options, test sequence can be set as required.

Two test stations working in serial improves the testing efficiency.

User permission setting avoids parameter change by mistake.

Data could be stored in a tester or exported in format . CSV with USB flash drive.

Standard equipped with code scanning function (optional equipped with code scanner)

Standard equipped with yellow, green and red 3 color indicating light. Yellow-in test, green-pass, and red-fail.

The light and sound alert will be triggered in case of parts pass/fail test. 



output voltage setting range/precision

AC 500~3000V/5000V(option)     ±(2%×setting value+10V)   

breakdown current testing range/precision

0.10~20.00mA     ±(2%×display value+0.05mA)

Hipot current presetting alarm range

Max: 0.10~20.00mA; Min: 0.00~20.00mA

Hipot current/resolution

±(2%×display value+0.05 mA);0.01 mA

test time range/resolution

0.5~999.9s   0.1s/step

arc detection

0~9 grade

Insulation Resistance

output voltage setting range/precision

DC 500V/1000V     ±(2%×setting value+10V)

insulation resistance testing range/precision


≤100MΩ:±(3%×setting value+0.5MΩ) ;>100 MΩ:±(5%×setting value+5MΩ)

insulation resistance alarm setting range

Max: 0~500MΩ; Min: 1~100MΩ

test time range/resolution

0.5~999s  0.1s/step


output voltage setting range/precision

500~3000V/5000V(option)        ±(3%×setting value+10V)    

sampling frequency


waveform comparison

area, area difference, corona and phase     

3 waveforms displayed in the testing interface

DC winding resistance

testing range and precision

10.0mΩ~20KΩ     ±(0.3%×display value+3 words)  temperature compensation can be set.

test time range/resolution

0.5~999s  0.1s/step



0.001 ohm

temperature probe/range

DS18b20     -10.0℃~+50.0℃


±0.5°C(range: -10℃~+50℃)

  • How do you test if a stator is good or bad?

    Another way to check for a bad stator is to measure the AC voltage output of the stator with a universal motor stator tester. If the AC voltage is not at the range of qualified, or if there is no AC voltage output, then the stator is likely bad. Another symptom of a failing stator is excessive engine vibration.

  • How do you test electric motor windings?

    Inspect the motor windings with a universal motor stator tester.

  • How do you test electric motor windings?

    First and foremost, you're going to need a universal motor stator tester to test the windings. To begin, Set a qualification range between winding, set the multimeter to read ohms and then clamp the motor winding with a working clamp. You should check whether the winding test data is within the acceptable range.

  • Which comes first stator or rotor?

    In an axial compressor, the air is compressed by grabbing it with a moving blade and squeezing it against a fixed surface. This is a very simplified representation, of course, but it gets the idea across. For this reason, the rotor goes first, and the stator follows.

  • What is the difference between rotor and stator motor?

    The rotor is the rotating part of a machine. In electrical motors or generators, the whole linear synchronously rotating part of the machine is termed the rotor. The stator is the non-moving, fixed counterpart in a machine.