Calibration Dynamics' B20/IS Basic is a low cost, intrinsically safe, portable pressure calibrator which offers the ultimate in versatility, performance and cost. Capable of measuring vacuum as well as pressure, and provided with an electrical sensor supply and source, it boasts an accuracy of 0.025%, and a pressure range of -1 to 20bar, giving this field device all the normal laboratory options. Its ergonomic design enables rapid generation of pressure and fine control whilst maintaining a stable position. It also offers digital measurement, automatic real-time error calculation and display, signal conditioning, full calibrator set-up and an extensive logging function of up to 999 readings in user-definable units.