อุปกรณ์ทดสอบค่าไขควงวัดแรง,Shahe SJN Torque Screwdriver Tester, for All Kinds of, Torque Screwdriver Calibrations, With Rechargeable and Data Output Function,

Button function

①On/off key:short press to clear the zero, long press for 3 seconds to switch off.
②Peak key:there are three modes of switching: real-time, auto peak and peak.Auto peak: each test capture the peak value, pause for one second after the automatic zero. Peak: each test captures the peak value and clears it manually.
③Unit key:N.m /Kg.cm/Ibf.in three kinds of units switching
④memo key:peak and automatic peak state, press this key to save the current data. Connect the computer can query the stored data, and data can be exported to excel.