... , processing, records, calibration, accumulate, alarm functions etc. It can be used to measure the voltage, low current (0-24mA), high current (0 ~ 600A ... ), etc. Features:1. Long time record2. USB port connect to PC to browse the recording data, and generation curve, export the file ... -time clock RTC, Auto dormancy and wake up function5. Online measure simulate digital output module, such as 0~5V and 4 ...