Control Valve Calibration Step-by-Step | Full Guide for Pneumatic Valve & Positioner

Описание: ​Welcome to this hands-on tutorial on Pneumatic Control Valve Calibration! 🛠️ This video provides a comprehensive, step-by-step guide for technicians and engineers on how to accurately calibrate a control valve and its positioner (or I/P converter).
​Mastering control valve calibration is essential for maintaining accuracy and stability in any PID control loop. We cover the setup, the tools, and the critical adjustments required.
​In this detailed procedure, you will learn:
​The Required Equipment and proper setup (Process Calibrator, Multimeter, Air Supply).
​The importance of Process Isolation for safety and accurate calibration .
​How to perform Zero and Span adjustment by applying 4mA and 20mA signals.
​The complete check for the valve stroke and position indicator.
​📺 Video Chapters (Jump to the step you need):
​0:00 - Introduction & Why Control Valve Calibration is Critical
​0:45 - Required Equipment and Setup
​1:30 - Step 1: Process Isolation and Safety Check
​2:15 - Step 2: Regulating Instrument Air Supply
​3:00 - Step 3: Connecting the Process Calibrator (Source Current Mode)
​4:10 - Step 4: Zero Adjustment (4mA) - Verify 0% Stroke
​5:20 - Step 5: Span Adjustment (20mA) - Verify 100% Stroke
​6:30 - Quick Check and Final Connection
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