... 485 port. The history data can be derived directly by USB flash drive. Plug and play without any ... ±(0.2%FS+1)digitPower voltage: 85-240VACDisplay: 320 x 240 dot matrix 5.6 inch bule LCD displayInput Signal: ... 24VDC feed USB portRecording time:Record interval can be set by user, such as 1, 2, 3, 4, ... The setting parameters and history record can be kept by FLASH MEMORY, which can be kept forever when the ...