Laser Energy Sensor
Vendor: Ophir PD10-pJ
Specifications:
Travel Range: 360 continuous
Minimum incremental motion linear: 0.001 degree
Uni-directional repeatability: 0.0005 degree
Maximum speak: 20 degress per second
Normal load: 100N
Detailed dimensions can be found here
Price: ~$ 2,500.00
Purchase Date: Fall, 2011
Location: Travelled with Bo for a while; will be placed in 36-228 together with controller.