HIOKI, ST5541

HIOKI ST5541 Leak Current HiTester
Leak Current Measurement, an Essential Part of Electrical Safety (for electrical devices)
  To ensure the safe use of electrical products, electrical safety tests such as insulation resistance, withstand voltage, ground resistance, and leakage current must always be conducted.

HIOKI ST5540 Leak Current HiTester
Leak Current Measurement, an Essential Part of Electrical Safety (for medical-use electrical devices)
  To ensure the safe use of electrical products, electrical safety tests such as insulation resistance, withstand voltage, ground resistance, and leakage current must always be conducted.