Basics of Fire Fighting Hydrant Systems
Fire Fighting Hydrant Systems are the most commonly used systems, in many residential and industrial projects. If you have ever seen a “Red” colour pipe, circulating around a building or…
Basics of Foam Fire Fighting System
Fires on Hydrocarbon are more frequent due to the volatility of the hydrocarbon and its property to not dissolve with water and lighter than water the fire extinguishing of hydrocarbon…
How Profibus Communication Works
Introduction to Profibus If Modbus is the “granddaddy” of protocols, then Profibus is the young athlete – lean and fast. Profibus was designed in the 1990s to meet all industrial…
Ex ic Intrinsic safety Standard
What is Ex ic ? Ex ic is a form of intrinsic safety protection for electrical apparatus in flammable atmospheres. It is a logical extension of the long-established Ex ia…
Basics of ORP Measurement
ORP stands for oxidation-reduction potential, which is a measure, in millivolts, of the tendency of a chemical substance to oxidize or reduce another chemical substance.
pH and ORP Learning Handbook
pH and ORP Learning Handbook Measuring pH/ORP is very common, but taking true measurements and correct interpretation of the results is not self-evident. Certain effects can potentially cause problems if not…
Vacuum Gauges Working Principle
Vacuum Gauges where the Pressure Readings are Independent of the Type of Gas (Mechanical Vacuum Gauges) Bourdon Vacuum Gauge The inside of a tube which is bent into a circular…
Total Organic Carbon Analyzers Questions and Answers
Check the Total Organic Carbon Analyzers Questions and Answers Total Organic Carbon Analyzers Questions TOC Analyzers What is TOC ? Total Organic Carbon is a term used to describe the…
How Modbus Communication works
Introduction to Modbus Modbus is the “granddaddy” of industrial communication protocols. It was originally designed in the mid-1970s by Modicon as a way to link intelligent devices with PLCs using…
NEMA Enclosure Types Standards
It is more common to apply a NEMA (National Electrical Manufacturers Association) standard NEMA 250-1997 to the environment protection of equipment. The standard is less systematic than IEC60529 but is…
