The Hioki ST5540 is a high-performance insulation tester that combines advanced measurement capabilities with exceptional accuracy and reliability. Its unique features include:

Wide measurement range from 0.1 MΩ to 100 GΩ
High accuracy of ±0.5% of reading
Fast measurement speed of 10 measurements per second
Built-in memory for storing up to 1000 measurements
* USB interface for easy data transfer