*mydirectindustry

Catalogs
Microtest Corporation
Impulse Winding Tester 7700/7710/7720

Impulse Winding Tester 7700/7710/7720

Product catalog summary

Applications
These impulse winding testers are suitable for testing inverters, power inductors, transformers, motors, wave filters, capacitors, and wires.

Features

High voltage calibration with programmable impulse voltage for low-energy detection without damaging the Device Under Test (DUT).
Built-in storage for 200 sets of testing waveforms and the ability to store a golden sample waveform for comparison.
Five waveform comparison methods: total area, differential area, wave, futter, and corona.
Key lock function to prevent accidental operation.
Support for RS-232, remote, and printer interfaces.

Accessories / Fixtures
Standard: Power cord, HV test cables, D-Sub foot switch.
Optional: PC Link software, RS-232 cable, remote control cable.

Specifications

Models: 7700, 7710, 7720
Channels: 2 for 7700/7710, 8 for 7720
Impulse Voltage: 200V-5000V for 7700/7720, 200V-10000V for 7710
Lowest Inductance: 50µH for 7700/7720, 100µH for 7710
Impulse Voltage Accuracy: ±2%
Measurement Time: 50ms
Test Items: Total area, differential area, wave, futter, and corona comparisons

General

PLC remote control for test and abort functions.
PLC remote output signals for pass, fail, HV output, and testing.
Built-in storage for 200 sets of testing waveforms for 7700/7710, 80 sets for 7720.
Interfaces include RS-232, remote, and printer.
Power Supply: 98Vac-132Vac or 192Vac-264Vac, 50/60Hz ±5%, 85VA consumption.
Display: 320x240, 5.7" dot-matrix.
Environment: Temperature 10℃-40℃, Humidity 20-90%RH.
Dimensions: 435×145×522mm for 7700/7710, 435×190×522mm for 7720.
Weight: 8kg for 7700/7710, 9kg for 7720.

Key Feature
Detects layer shorts by comparing damped oscillation waveforms. Programmable impulse voltage from 200V-5000V with storage for golden sample waveform comparison.

Catalog excerpts

Impulse Winding Tester7700/7710/7720 Safety Tester | Features - High voltage calibration - programmable impulse voltage, low-energy detection without damaging the DUT - Built-in storage 200 sets testing waveform - Storage golden sample (DUT) standard waveform in the instrument, and compare with the other sample waveform - Provides 5 waveform comparison: total area comparison, differential area comparison, wave comparison, futter and corona - Key lock function to prevent operators from accidentally touching the keys - Support RS-232, remote and printer interfaces | Applications Include Inverters, Power Inductors, Transformers, Motors, Wave Filters, Capacitors and Wires | General RS-232 Remote Printer tfl | Accessories/Fixtures Standard - Power Cord - HV test red/black cable (7700/7710) - HV test red cable (7720) - D-Sub foot switch (F760001) Optional - PC Link software (7700/7710) - RS-232 cable - Remote control cable | Key feature Principle of Impulse Winding Test Surge Oscillation period The coil start to damping while the input pulse stop. Detect Layer Short by Compare Damped Oscillation Waveforms B Waveform comparison measurement Impulse Voltage (programmable) 200V-5000V, storage golden sample (DUT) standard waveform in the instrument, and compare with the other sample waveform.

Open the catalog to page 1

All Microtest Corporation catalogs and technical brochures

*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.

Brand list