HT3548 Portable Resistance Tester, Offering 0.02% basic accuracy, 0.1μΩminimum resolution, 1A maximum test current, With measurable range 0.1μΩ~3.3MΩ. Anti-interference measurement is achieved by protecting the probe used by the port and increasing the test current. Equipped with RS232/RS485/LAN interfaces and EXT I/O port, HT3544 multi-channel resistance meter is especially suitable for supporting ATE line to complete automatic test.