Memorized testing and measuring technology

This paper introduces a kind of micro-instrumentation composed of a sensor, the condition amplifier, the A/D converter, the memory, the controller, the interface circuit and the cell. It is of small size, capable of working under high impact acceleration and high environmental temperatures. It is of very low power consumption, leadless and can be situated into the body of an object being measured, for example, in the piston of a working engine, on parts rotating with high speed, several kilometers deep in an oil-well, in a projectile, on a gear and in the bore core of a firing artillery. Suitable for any situations in which it is difficult to set leads, it records signals needed during the working process or the objects being measured and then is taken out after the process finishes and the data of it can be read and processed by a computer. This article reveals the configuration principle of the device and discusses fundamentals of testing and measuring, accuracy guarantee, ASIC and some typical examples