Model 2320 hollow reaction torque sensor is designed for housing reaction force measurement in mixing, hydraulic pump, and motor test applications. These models operate and are calibrated in both directions. Nickel-plated alloy steel construction enhances durability in harsh, industrial environments. These models have no moving parts and utilize four bonded strain gages on a special machined portion of the transducer to achieve a maximum non-linearity of 0.1% over a wide dynamic range. 12000 in-lb to 36000 in-lb capacities.