MICROTEST | Safety Tester

HI POT Tester/Impulse Tester

MICROTEST safety testing solutions provide components/materials with hipot insulation testing and coil inter-turn short circuit testing to ensure product reliability and longevity.

The 7630/7631 Hipot Tester offers ACWV/DCWV/IR testing capabilities in a single device, expandable up to 72 measurement channels. With an intuitive programmable interface, it is easy to operate and ideal for safety testing of electronic components and materials.

The 7750 Series Coil Inter-Turn Short Circuit Tester is designed for quality testing of winding components (inductors/transformers/motors), detecting defects in enameled wires, poor winding techniques, or process issues that cause coil short circuits.

HI POT Tester/Impulse Tester

All Products

Hipot Tester Impulse Winding Tester


Hi pot Tester 7631 (8 Channel)
8 Channels Hi pot ACW 5KV/30mA Hi pot DCW 6KV/10mA Insulation 1KV/12000MΩ Arcing detection True RMS measurement circuit Measuring Time (0.1 ~ 999s) Adjustable ramp time (0.1 ~ 10s) Safety Switch(INTER LOCK) Option PC Link Software 7508/7516 (8/16 channels) expansion box Support AC 5000V, DC 6000V, Insulation Resistance 12GΩ MICROTEST 7631 is a 3-in-1 test instrument that supports AC withstand voltage, DC withstand voltage, and insulation resistance testing functions. It has a maximum AC withstand voltage of 5000V with a leakage current of 30mA, a maximum DC withstand voltage of 6000V with a leakage current of 10mA, and a maximum insulation resistance of 12000MΩ. It provides 8 sets of testing channels and can be optionally equipped with the 7508/7516 multi-channel scanning box, allowing up to 72 sets of testing channels. It supports PC connection software for remote programming and storage of test data. It can also be linked to a barcode scanner for barcode scanning, facilitating production traceability management.
Inquiry Compare


Hi pot Tester 7630 (Single Channel)
Hi pot ACW 5KV/30mA Hi pot DCW 6KV/10mA Insulation 1KV/12000MΩ Arcing detection Measuring Time (0.1 ~ 999s) Adjustable ramp time (0.1 ~ 10s) Safety Switch(INTER LOCK) Option PC Link Software Support AC 5000V, DC 6000V, Insulation Resistance 12GΩ MICROTEST 7630 is a 3-in-1 test instrument that supports AC withstand voltage, DC withstand voltage, and insulation resistance testing functions. It has a maximum AC withstand voltage of 5000V with a leakage current of 30mA, a maximum DC withstand voltage of 6000V with a leakage current of 10mA, and a maximum insulation resistance of 12000MΩ. It supports PC connection software for remote programming and storage of test data. It can also be linked to a barcode scanner for barcode scanning, facilitating production traceability management.
Inquiry Compare


Impulse Winding Tester 7750 Series 7750-10S/5S/5H/5E/1S
Lowest Inductance (≥0.1μH) High voltage calibration programmable impulse voltage 200MHz/9bit High Impulse Test Sampling Rate Total Area Comparison Differential Area Comparison Corona Comparison LAPLACIAN Comparison Voltage Compensation Function MICROTEST 7750 Series is an advanced Impulse Winding Tester with a faster color display screen. It provides pulse voltage outputs of 1200V/5200V/10000V and utilizes high-speed sampling technology at 200MHz/9 bits. It offers various comparison modes such as total area, area difference, corona count, jitter count, second-order differentiation, and waveform comparison. With a testing speed of up to 10 times per second, it is ideal for high-speed production lines. For testing small components, the optional 7750-1S tester comes with the FX-IM0001 four-wire SMD component testing fixture. It features voltage compensation to minimize voltage errors caused by wiring and equivalent inductance, ensuring accurate quality control for products with small inductance.
Inquiry Compare


Impulse Winding Tester 7759 Series 7759-10S/5S/5H/5E/1S
200MHz/ 9bits High Impulse Test Sampling Rate High Speed Test：10times/ sec Lowest Inductance ≥ 0.1μH Voltage Compensation Function Breakdown Voltage Analysis Programmable Impulse voltage USB Host: Quick access to test screenshots Built-in storage 128 sets testing waveform Six waveform analysis modes for detecting inter-layer short circuit defects in wound components. Supports 8 Test Channels New-generation MICROTEST 7759 impulse inter-turn short tester with an upgraded faster color display. It provides pulse voltage outputs of 1200V / 5200V / 10000V and utilizes 200MHz / 9-bit high-speed sampling technology, offering multiple comparison modes including total area comparison, area difference comparison, corona count comparison, jitter count comparison, second-order differentiation comparison, and waveform comparison mode. With a testing speed of up to 10 tests per second and support for 8 test channels, it is an ideal choice for automated production lines.
Inquiry Compare


Hi pot Tester 7640 (Single Channel)
AC Withstand Voltage up to 5000V DC Withstand Voltage up to 6000V Insulation Resistance up to 100GΩ Supports up to 72-Channel Test (7508A / 7516A) Programmable Ramp / Dwell / Fall Time (0.1s~99.9s) Arc Detection Function True RMS measurement circui Safety Interlock Protection PC Connectivity and Remote Control Support 7640/7641 Hipot Tester is a 3-in-1 safety tester integrating AC Withstand Voltage, DC Withstand Voltage, and Insulation Resistance (IR) measurement functions. It provides AC hipot output up to 5kV with leakage current up to 30mA, and DC hipot output up to 6kV with leakage current up to 10mA. The insulation resistance test supports output voltage up to 6kV, with a measurement range from 200kΩ~100GΩ. For production line applications, the system supports multi-channel configurations: the 7641 offers up to 8 test channels per unit and can be expanded via 7508A / 7516A scanning boxes to a maximum of 72 channels. In addition, the instrument supports PC connectivity software and USB storage for test data.
Inquiry Compare


Hi pot Tester 7641 (8 Channel)
AC Withstand Voltage up to 5000V DC Withstand Voltage up to 6000V Insulation Resistance up to 100GΩ Supports up to 72-Channel Test (7508A / 7516A) Programmable Ramp / Dwell / Fall Time (0.1s~99.9s) Arc Detection Function True RMS measurement circui Safety Interlock Protection PC Connectivity and Remote Control Support 7640/7641 Hipot Tester is a 3-in-1 safety tester integrating AC Withstand Voltage, DC Withstand Voltage, and Insulation Resistance (IR) measurement functions. It provides AC hipot output up to 5kV with leakage current up to 30mA, and DC hipot output up to 6kV with leakage current up to 10mA. The insulation resistance test supports output voltage up to 6kV, with a measurement range from 200kΩ~100GΩ. For production line applications, the system supports multi-channel configurations: the 7641 offers up to 8 test channels per unit and can be expanded via 7508A / 7516A scanning boxes to a maximum of 72 channels. In addition, the instrument supports PC connectivity software and USB storage for test data.
Inquiry Compare


Impulse Winding Tester 7703 (5000V)
This series will be discontinued on January 1, 2025, with product services continuing for 5 more years. The replacement model is the 7750 series. Lowest Inductance (0.5uH) HARM analysis / HFLT analysis High voltage calibration programmable impulse voltage Built-in storage 200 sets testing waveform Total area comparison Differential area comparison Wave comparison Flat and Corona Support RS-232, remote and printer interfaces MICROTEST 7703 is a Impulse Winding Tester that provides pulse voltage outputs ranging from 100V to 5000V. It utilizes damping attenuation waveforms generated by L/C resonance to analyze magnetic components for defects such as short circuits between coils or between layers of winding wire. This model is specifically designed for Inverter-Transformer products and supports high-frequency harmonic/noise analysis mode. By amplifying the waveform through high-frequency resonance, it can precisely detect insulation defects caused by high-voltage coil slot leakage. The tester also offers various comparison modes, including total area comparison, area difference comparison, corona count comparison, jitter count comparison, and waveform comparison.
Inquiry Compare


Impulse Winding Tester 7713 (10000V)
This series will be discontinued on January 1, 2025, with product services continuing for 5 more years. The replacement model is the 7750 series. Lowest Inductance (0.5uH) HARM analysis / HFLT analysis High voltage calibration programmable impulse voltage Built-in storage 200 sets testing waveform Total area comparison Differential area comparison Wave comparison Flat and Corona Support RS-232, remote and printer interfaces Key lock function to prevent operators from accidentally touching the keys MICROTEST 7713 is a Impulse Winding Tester that provides pulse voltage outputs ranging from 200V to 10000V. It utilizes damping attenuation waveforms generated by L/C resonance to analyze magnetic components for defects such as short circuits between coils or between layers of winding wire. This model is specifically designed for Inverter-Transformer products and supports high-frequency harmonic/noise analysis mode. By amplifying the waveform through high-frequency resonance, it can precisely detect insulation defects caused by high-voltage coil slot leakage. The tester also offers various comparison modes, including total area comparison, area difference comparison, corona count comparison, jitter count comparison, and waveform comparison. These modes help identify and detect faulty products accurately.
Inquiry Compare


Impulse Winding Tester 7700 (5000V)
This series will be discontinued on January 1, 2025, with product services continuing for 5 more years. The replacement model is the 7750 series. High voltage calibration programmable impulse voltage Built-in storage 200 sets testing waveform Total area comparison Differential area comparison Wave comparison Flat and Corona Support RS-232, remote and printer interfaces Key lock function to prevent operators from accidentally touching the keys MICROTEST 7700 Impulse Winding Tester offers pulse voltage outputs ranging from 200V to 5000V. It utilizes damping attenuation waveforms generated by L/C resonance to analyze magnetic components for defects such as short circuits between coils or between layers of winding wire. The tester provides various comparison modes, including total area comparison, area difference comparison, corona count comparison, jitter count comparison, and waveform comparison. These modes help identify and detect faulty products accurately.
Inquiry Compare

Compare