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4-20mA Scaling Calculator

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⚡ 4-20mA Scaling Calculator

Live Instrument Scaling, Calibration & PDF Testing Report Tool for Engineers and Technicians

LIVE SCALED VALUE 0.00
Signal % 0%
Span 100
Status NORMAL

What is 4-20mA Signal?

4-20mA industrial automation ka sabse common analog signal standard hai. Iska use transmitters, PLC, DCS aur control systems mein process values ko transfer karne ke liye kiya jata hai.

4mA = 0%    |    20mA = 100%

4-20mA Kyu Use Hota Hai?

  • Noise resistance high hoti hai
  • Long cable distance mein accurate signal deta hai
  • Fault detection easy hota hai
  • Industrial standard hai
  • PLC aur DCS compatible hota hai

Scaling Formula

4-20mA signal ko engineering value mein convert karne ke liye niche wala formula use hota hai:

Scaled Value = ((mA - 4) ÷ 16) × (High - Low) + Low

How to Use This Calculator?

  1. Instrument ka Low aur High range enter karein
  2. Live mA value enter karein
  3. Instant scaled value automatically show hogi
  4. Calibration points save karne ke liye ADD REPORT button press karein
  5. Finally PDF report download kar lein

Calibration Importance

Industrial plants mein proper calibration safety aur process accuracy ke liye bahut important hoti hai. Incorrect scaling ki wajah se wrong readings aur production loss ho sakta hai.

Frequently Asked Questions (FAQ)

Q1. 4mA ka matlab kya hota hai?

4mA generally process ka minimum ya 0% value represent karta hai.

Q2. 20mA kya show karta hai?

20mA process ki full scale ya 100% value show karta hai.

Q3. Agar signal 0mA ho toh?

0mA normally cable fault ya transmitter failure indicate karta hai.

Q4. PLC scaling kaise hoti hai?

PLC raw analog input ko engineering units mein convert karta hai using scaling formulas.

Q5. Calibration report kyu important hai?

Calibration report maintenance records aur audit purpose ke liye important hoti hai.

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