What is Differential Pressure and Pressure Loss?
When a flow (throttle) element is interposed in a closed passage of fluid in piping, a difference is produced between the pressure upstream and downstream of the throttle element as...
What is Ground, and importance of a Grounding System?
Grounding is a very complex subject. The proper installation of grounding systems requires knowledge of soil characteristics, grounding conductor materials and compositions and grounding connections and terminations. Article 250 of...
Remote Diaphragm Seal Transmitter for Vacuum Application
First I will list the proof/recommendation I found in vendor literature and also during one of the projects this was vendor recommendation for full vacuum condition. As always it isn’t...
PLC Programming Example for a Batch Process
Develop PLC Programming Batch Process ladder logic program according to the logic given below, Ingredient A is sent to the tank first by energizing solenoid 1. The flow meter gives...
How to Measure Density using DP Transmitter?
For Density measurement using DP transmitter, the height of the tank is kept constant then Change in Pressure is due to Change in Density. First Let’s Understand the concept The...
How to Find LRV and URV of Closed Tank DP Level Transmitter
Find out the configuration of Lower Range Value (LRV) and Upper Range Value (URV) of a Differential Pressure (DP) Level Transmitter. Every DP transmitter needs to be configured using a...
Example of Automated Guided Vehicle with PLC
Explain PLC programming for the Automated Guided Vehicle (AGV) in the manufacturing plant. Here we are discussing some part of the working in AGV as an example program in PLC....
Square-Root in DCS or Flow Transmitter?
This is mostly known to everyone that a square root Function is required for Orifice Flow Transmitter as the relationship of flow versus pressure is not linear but has a square-root...
What is Travel Stop in Control Valve?
A travel stop in the control valve is used as a mechanical limiter for stem travel. In fact, these travel stops are used to limit the stem travel at certain...
What are the Orifice Plate Flow Requirements?
The orifice flow meter is a well-established flow measurement method. The sizing, dimension, and installation requirement is dictated by the ISO 5167-1 & ISO 5167-2. Basically, the orifice sizing is...