Abstract: The crook measurement can be made by using metal resistance strain gauge sensor,the digits can be displayed on the three-bit liquid crystral display.A new instrument-digits displayed moment spanner is also designed.

• 文摘:利用金属电阻应变计式传感器测量弯矩，用三位半液晶显示器显示弯矩值的大小，并依据这一原理，设计出一种新型工具??数显力矩扳手。