According to GJB2725A-2001 and elements involved in calibration laboratory work, this paper adopts process method to control continuously quality management system, In order to assure quality management system continually effective.

The experiences of the South China National Center for Measurement and Test by using internal verifying comparison tests and statistic techniques to control the internal quality of calibration laboratory are introduced in this article.

Design of LIMS based on testing and calibration laboratories and its implementation;

The article chiefly gives the algorithm formulae for calibrating the amplitude and phase.

Measuring system of calibrating electrostatic discharge simulator is described in detail.

Vibration-measured-and-controlled instrument (VMC) used for calibrating vibration sensors automatically has been studied, and the designing project of VMC which is made up of program-controlling waveform generator, program-controlling voltmeter and the EPP interface is discussed, then the controlling program is also discussed.

The method for calibration of the Gauge Block Grad 3;

Slope and Intercept Calculating with Excel in Calibration of Infrared Moisture Meter;

The calibration method for the density sensor of drilling fluid.;