JS-420 係高功能、高精度雙顯示扭力量測顯示控制器，本控制器針對應變規式感應器而設計有絕佳之穩定性，採用快速類比數位轉換器，取樣速度最快可達每秒960次；內部解析度高達1百萬，顯示解析度最高達 5 萬，具有二組 5 位數LED顯示螢幕，將量測值與設定值分開使量測數值與設定值易於分辨及設定，有18個指示燈，隨時顯示其工作狀態，特別設計的高點保持及自動復歸功能，使量測自動循環起動，並具備 5 種常用之單位轉換，具有 4 組設定警報輸出類比及數位輸出介面，易於與電腦或PLC連線。

JS-420 is a high quality and high precision dual - display torque measuring controller. It is special designed for strain gage load cell, processed excellent stability. It adopts high frequency A / D converter and sampling rate up to 960 Hz ; The internal resolution of JS-420 up to 1000000 count ; And the display resolution up to 50000 counts. There are two five digital led diaplay sets to separate measurement value and alarm setting value helpful for alarm setting and measurement data display. Special designed peak hold and auto reset function make measurement automatically restart and cyclically proceed. 18 guiding lights for working conditions index, 5 general use unit converting, 4 setting alarms output , analog and RS-232 or RS-485 digital output interface. Easy to connecting to computer or PLC.