Safety series Hong Kong Longwei LW7122 Programmable AC/DC Voltage Withstand Insulation Tester AC: 5KV/20mA DC: 6KV/5mA IR: 1KV/2000M Ω Call
Safety series Hong Kong Longwei Programmable AC Voltage Insulation Tester LW-7112: AC: 5KV/12mA IR: 1KV/2000M Ω Call
Safety series Hong Kong Longwei Precision LW-7142 Programmable AC/DC Voltage/Insulation Tester AV5KV DC6KV IR1KV Call
Linear DC regulated power supply Longwei TPR-3005-2D Adjustable Linear DC Stabilized Power Supply 30V5A Dual Channel Digital DC Stabilized Power Supply Call