Ash content accumulation instrument is a volume flow meter used in displaying of ash content accumulation of ash removal system in power plant.

The discusion of the limited error of the area measuring and solutions in town cadastration;

Indicates form the practice, it is not fit for the area measuring in town cadastral survey when we just use the method of analytic coordinate.

Application of MapGIS in polygon area measurement for water conservancy project;

In this paper ,the principle of area measurement for all blocks on map is discussed through using digitiser,and then assesses the relinbility and anlysis the precision of this measurement way.

This article introduces the practical method of housing area measurement,and compares the accuracy of the different methods in area measure,and brings forward the specific method of computer-aided house mutual area calculation,and at last,points out to control strictly house area calculation error to enhance the accurate of house area check.

Intelligent flow totalizer based on MSP430 single chip microcontroller;

Measurement of Natural Gas Flow with Intelligent Orifice Plate Flow Totalizer;

Research of a intelligent flow totalizer of high performance;