AIP permanent magnet synchronous motor (PMSM) stator tester test items mainly include resistance, inductance, surge, AC Hipot, insulation resistance, thermistor resistance.

AIP permanent magnet synchronous motor (PMSM) stator tester is mainly used in electrical vehicle motors, electrical bike motors, home appliance motors, compressor, machine tool motors, etc., one-stop to complete all project testing.


Permanent magnet synchronous(PMSM) motor stator tester

AIP PMSM stator tester applied to test electrical parameters of stator assembly in electrical vehicle motor, electrical bike motor, home appliance motor, compressor, machine tool motor etc. Tester can be customized according to the tested product features as well as requirements, detecting stator electrical problem in full aspects. 

Key Features

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

Easy to use: Linux/Windows operating system, professional control software, touch screen operation

Modular design: tester designed with independent modular board and can be replaced or checked easily.

Intellectualization: tester supports to connect Internet for remote connection and data interaction, meeting requirements of IOT.

Multiple interfaces: USB, LAN, CAN, RS232, RS485 options

Support to connect with the MES (manufacturing execution system).

Language: English and Chinese option


Resistance is tested in four-wire (Kelvin) technology

Resistance temperature compensation: convert resistance automatically

Customized design test tooling according to parts

Poka-Yoka operation mode option

The program can be established up to 1000

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

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)



Measurement range and accuracy

5.0mΩ~20KΩ     ±(0.3%×display value +3 digit)  

temperature compensation can be set

Test time range/resolution

0.5~20.0s   0.1s/ step

Temperature compensation function


Temperature probe/measurement range

DS18b20           -10.0℃~+50.0℃

measurement accuracy



Test frequency


Test voltage


Test range and basic accuracy



Output voltage setting range/accuracy

500~5000V        ±(3%×set value+10V)    

Sampling frequency


Waveform comparison

Area, area difference, corona, phase

AC Hipot

Output voltage setting range/accuracy

AC 200~5000V    ± (2%×set value +10V)   

Measurement range/accuracy of breakdown current

0.10~20.0mA     ± (2%×displayed value +0.05mA)

Preset alarm range of breakdown current

upper limit:0.10~20.0mA; lower limit:0.00~20.00mA

Test time range/resolution

0.5~999.9s   0.1s/ step

Insulation resistance

Output voltage setting range/accuracy

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

Measurement range/accuracy of insulation resistance


≤100MΩ:± (3%×display value+0.5MΩ); 

>100MΩ:± (5%×displayed value +5MΩ)

Insulation resistance alarm setting range

upper limit: 0~500MΩ;  lower limit: 1~500MΩ

Test time range/resolution

0.5~999.9s   0.1s/step

Thermistor resistance

Measurement Range and Accuracy

5.0mΩ~20KΩ     ±(0.3%×display value+ digit)  

temperature compensation can be set

Test time range/resolution

0.5~999.9s  0.1s/step

Temperature compensation function


Temperature probe/measurement range

DS18b20           -10.0℃~+50.0℃

Measurement accuracy


  • What is the stator of PMSM?

    A permanent magnet synchronous motor, like any rotating electric motor, consists of a rotor and a stator. The stator is the fixed part. The rotor is the rotating part. Typically, the rotor is located inside the stator of the electric motor, there are also structures with an external rotor - inside out electric motors.

  • Is PMSM a synchronous motor?

    The Permanent Magnet Synchronous Motor (PMSM) is an AC synchronous motor whose field excitation is provided by permanent magnets, and has a sinusoidal back EMF waveform. The PMSM is a cross between an induction motor and brushless DC motor.

  • What is the stator of a PMDC motor?

    The stator is the outer part of the PMDC motor which makes up its housing. Magnets are mounted on the inner side of the stator in such a way that the North and South poles of the magnets alternatively face the armature.

  • How does a PMSM motor work?

    A permanent-magnet synchronous motor (PMSM) uses permanent magnets embedded in the rotor to create a constant magnetic field. The stator carries windings connected to an AC electricity supply to produce a rotating magnetic field (as in an asynchronous motor).

  • How do you control a PMSM motor?

    Implements the field-oriented control (FOC) technique to control the position of a three-phase permanent magnet synchronous motor (PMSM). The FOC algorithm requires rotor position feedback, which it obtains from a quadrature encoder sensor.