T&M Static Pressure vs. Dynamic Pressure: Key Differences
Understand the differences between static and dynamic pressure, their definitions, and how they are calculated.
static pressure
dynamic pressure
fluid dynamics
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Systematic Error vs. Random Error: Understanding the Differences
Explore the differences between systematic and random errors in measurements, their causes, and how to control or minimize them.
measurements
error analysis
accuracy
Transformation Ratio in Instrument Transformers
Understanding the transformation ratio in current and potential transformers is crucial for accurate measurements. Learn the formula and its application.
instrument transformers
current transformers
potential transformers
Turns Ratio in Instrument Transformers: CTs and PTs
An explanation of the turns ratio in current (CT) and potential (PT) transformers, detailing how the ratio is defined for each.
instrument transformers
current transformers
potential transformers
Understanding AbV, AbA, and AbOhm: CGS Units
This article explains Abvolt (AbV), Abampere (AbA), and AbOhm, units in the CGS electromagnetic system, and their relationships to SI units.
cgs
abvolt
abampere
Understanding dB, dBc, dBd, dBi, dBm, and dBW
A breakdown of common decibel units used in RF and signal processing: dB, dBc, dBd, dBi, dBm, and dBW.
decibel
rf
power measurement
Understanding Excess Noise Ratio (ENR)
This article explains Excess Noise Ratio (ENR), its use in RF amplifier noise measurements, and its relationship to Y-factor, including relevant formulas.
enr
noise figure
y-factor
Understanding Gauge Factor in Strain Gauges
This article explains the concept of gauge factor in strain gauges, a key parameter for measuring mechanical strain. Learn about its equation and how it relates to the sensitivity of strain gauges.
strain gauges
gauge factor
mechanical strain
Understanding IP Ratings: IP51 vs IP53 vs IP54 vs IP55
A detailed comparison of IP51, IP53, IP54, and IP55 ratings, explaining their protection levels against dust and liquids for electrical enclosures.
ip ratings
ingress protection
enclosure ratings
Understanding IP Ratings: IP63, IP64, IP65, IP67, and IP68
A breakdown of the differences between IP63, IP64, IP65, IP67, and IP68 ratings, detailing their levels of protection against solids and water ingress.
ip ratings
ingress protection
enclosures