Name: mini capacity Rotary Torque Sensor – shaft to shaft with Encoder
Type: BTQ-406(A,B,C,D) Series
Capacity: 0-0.1,0.2,0.3,0.5,1,2,3,5Nm  10,20,30,50,100,200,500 Nm
Material: Stainless steel or alloy steel
Features:   weighing load cell
Made of Stainless Steel/Alloy Steel，Strong stability

Various range of capacity from mini-capacity to big capacity

Easily integrates into OEM applications

Shaft to shaft rotary type

Designed for Torque auditing

Uses strain gauge technology

Rotary torque measurements mainly used for packing scales,hopper scale and industrial measuring system

6. datasheet: see attached

https://www.bransloadcell.com/html/en/products/weighingloadcell/786.html