CST Instrumentation Studio for VCL Description:

CST Instrument VCL Package is a package of common instrumentation interface and graphic components(VCL) for Delphi/C++Builder, which primarily focused on Engineering, Industrial Automation, Scientific and other Data Acquisition and Monitoring fields. It includes about 13 economical and powerful VCL components which relate to animation, instrumentation, chart ,etc. Packaged together to provide programmers with an powerful set of tools for technical applications. These components are very popular in the process control, MMI, scientific, engineering, simulation, and data acquisition communities.
Includes Annunciator, LiGauge, Indicator, Knob, Led, Meter, NumberLed, Odometer, Percent, Selector, Slider, Toggle and Trend.