কেন 0~20mA এর পরিবর্তে 4~20mA সিগন্যাল বেশি ব্যবহৃত হয়?
0~20mA এবং 4~20mA উভয় সিগন্যালই প্রসেস কন্ট্রোল সিস্টেমে স্পেসিফিক অ্যাপ্লিকেশনের উপর নির্ভর করে ব্যবহার করা হয়। অ্যানালগ কারেন্ট লুপে এটি
How PID Control Valve Works?
Proportional-Integral-Derivative (PID) control is the most common control algorithm used in industry. PID controller continuously calculates an error value as the difference between
How to Select Cooling Tower Capacity?
Cooling Tower: Cooling tower is a heat rejection device which extracts waste heat to the atmosphere through the cooling of
Air Curtain Automation with Metal Sensor
Air curtain is commonly used in industry, hotel & restaurant. It is used in-front of door in entry point. Air
How to Calculate Mechanical Efficiency of Production Plant?
By calculating mechanical efficiency of a plant we can evaluate overall scenario. Overall productivity depends on how better the mechanical
How to Read Photo/Proximity Sensor Connection Diagram?
Sometimes we are facing problem with reading the diagram of sensors in industry. Below we try to explain different types
How to calculate Air Conditioning Tonnage for Room
Sometimes we face problem to calculate proper AC according to size of the room. If we select proper AC then,
Difference Between PNP & NPN Sensor
Sensor is a most useful thing in industry and robotics applications. When designing a industrial machine we cannot think without
How to Turn ON & OFF Automatically Pump Motor Using a Timer?
If we want to ON & OFF any load automatically with time then, we can do it by this project