Measurement and instrumentation 8 min read
sources of systematic error
Systematic error (also called systematic bias) is consistent, repeatable error associated with faulty equipment or a flawed experiment design. These errors are usually caused…
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Measurement and instrumentation 3 min read
Digital Instrument
The instrument which represents the measurand value in the form of the digital number is known as the digital instruments. It…
Measurement and instrumentation 3 min read
Analog Instrument
The analogue instrument is defined as the instrument whose output is the continuous function of time, and they have a constant relation to the input. The physicals quantity like voltage,…
Measurement and instrumentation 2 min read
Deflection and Null type Instruments
In electrical measurement systems, there are two main principles that are employed for the purpose of Instrumentation. These are known…
Measurement and instrumentation 3 min read
Active and passive instruments
We can divide instruments into active and passive according to the consumption of power.”Active” means is that some component inside…
Measurement and instrumentation 14 min read
Introduction to measurement
Measurement techniques have been of immense importance ever since the start of human civilization, when measurements were first needed to…
Measurement and instrumentation 4 min read
Reduction of systematic errors
The prerequisite for the reduction of systematic errors is a complete analysis of the measurement system that identifies all sources…
Measurement and instrumentation 11 min read
Digital Filters
Compared to their analog counterparts, digital filters offer outstanding performance and flexibility. Designing digital filters can seem a daunting task,…
Measurement and instrumentation 2 min read
OSCILLOSCOPE
There are broadly two types of oscilloscope named as analogue oscilloscope and digital oscilloscope where the difference between both is well ill-starred…
Measurement and instrumentation 3 min read
DIGITAL VOLTMETERS
The digital voltmeter (DVM) displays measurements of dc or ac voltages as discrete numerals instead of a pointer deflection on…
Measurement and instrumentation 3 min read
Optical fibre
In all developed countries, long-distance communication links (which used to be called ‘trunks’, by analogy to ‘trunk road’) nearly always…