An adapter for interconnecting a surgical end effector to a surgical device includes: a drive shaft； and a load sensing device disposed about the draft shaft, the load sensing device configured to measure strain imparted on the drive shaft. The load sensing device includes a housing having: a tubular portion having a first end and a second end and defining a cavity therebetween； a first end cap disposed at the first end, the first end cap having a first opening； and a second end cap disposed at the second end, the second end cap having a second opening. The load sensing device also includes a conductive element wrapped at least partially about the tubular portion.
