Profile: Unholtz-Dickie Corp. specializes in the design & manufacture of complete vibration test systems, including electrodynamic shaker systems, shock & vibration controllers, horizontal slip table assemblies, long stroke thrusters, head expanders, power amplifiers, transducer calibration systems, accelerometers and instrumentation. The T2000 induct-A-ring (IAR) vibration test system features a unique single coil induct-A-ring armature. It is ideal for applications requiring large payloads and/or moderate to high test levels. The T2000 is rated from 15,000 to 25,000 pounds force with shock performance. Transducer calibrator systems model 680C offers a larger table & expanded performance envelope for higher force, displacement and load capability. It is configured with the model TA100CL-S032-C amplifier and shaker.