Insulation Withstand Voltage Tester (HY9310)
Multi-channel Temperature Tester (HY4500)
Multi-channel insulation withstand voltage Tester (HY9310-S8)
LCR Digital Bridge (HY2811D)
Contact inspection circuit for battery internal resistance tester and battery internal resistance tester
A soft-switch control circuit for measuring instruments
A range selection switch device for improving sampling accuracy
A protection circuit and protection system for the test terminal of a digital bridge
A constant current circuit with a soft starting current
An output control system for programmable power supplies
Digital sine wave signal generator
Constant current source circuit, low-power circuit and low-power constant current source circuit
Power frequency detection circuits and detection instruments
Constant voltage mode control circuit for electronic load and its working method
Haoyi HY6722 Programmable DC Power Supply Test System 1.0
Haoyi HY6723 Programmable DC Power Supply Test System V1.0
Haoyi HY9310 Withstand Voltage Test System V1.0
Haoyi HY2810B Digital Bridge Test System V1.0
Haoyi HY9320 Withstand Voltage Test System V1.0
Haoyi HY2811D Digital Bridge Test System V1.0