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	Methods of certifying measurement eqipment
	Like any other piece of equipment, a measurement artifact must be maintained. Obviously, it has to be in working order in general. However, what is more important is that it be operating within specified parameters and providing measurements that are traceable to a known source or sources. This paper provides a general overview of calibration and certification. It also discusses some key terminology and methods.

	Effective use of dead weight tester
	One of the most difficult problems facing the instrument engineer is the accurate calibration of pressure or differential pressure measuring instruments. The deadweight tester or gauge is the economic answer to many of these problems.

	Pressure Gauge buyer's guide
	With new technology always under development, shopping for the right pressure gauge grows more confusing by the month. It’s easy to get lost in the details and end up with a gauge that doesn’t meet the requirements. This buyer’s guide explains the important features and specifications to look for and understand when purchasing pressure measurement devices.