©2026 Automation.com, a subsidiary of the International Society of Automation.
-
ISA provides technical resources and standards to help industrial automation professionals advance their careers and the field. We enable automation professionals worldwide to solve problems and enhance their skills by bringing people together to create new technologies and share best practices with future automation professionals.-
ISA Resources
-
Upcoming Events
-
Industry Insights
-
Consortia
-
Author Profile
Joel Don
345 Results Found
-
FeatureAutoQuiz: Loop Tuning Terminology for Change in Amplitude
The common method of judging tuning is known as the "quarter wave decay" method. It has been shown if a loop is tuned so the oscillation decays with each wave being one quarter of the previous wave, i -
Feature
AutoQuiz: Industrial Applications for Nonincendive-Rated Field Wiring
Nonincendive is allowed in Class 1, Division 2; Class 1, Zone 2, and Non-hazardous rated areas. Use in higher hazard areas, such as Division 1, Zone 1, or Zone 0 areas, is not allowed. -
FeatureAutoQuiz: Standard Wiring Color for Type K Thermocouple
Type K (chromel–alumel) is the most common general purpose thermocouple with a sensitivity of approximately 41 µV/°C. -
FeatureAutoQuiz: What Is the Liquid Flow Condition Where Falling Static Pressure Causes Formation of Vapor Bubbles?
The first stage of cavitation is the formation of vapor bubbles within the liquid system because of the fluid's static pressure falling below the fluid vapor pressure -
FeatureAutoQuiz: What are the Advantages and Disadvantages of RTDs?
Resistance temperature detectors require a temperature transmitter to function. This is not a disadvantage of an RTD, since its function does not require a temperature transmitter to be installed. -
FeatureAutoQuiz: How to Interpret Relay Logic for a Pump Control Switch
When a pump control switch is in auto, the storage tank low level switch or the pressure tank high level switch can stop the pump. -
FeatureAutoQuiz: How to Diagnose Industrial Pressure Sensor Errors
If a pressure sensor/transmitter is giving a non-linear response, replacement of the sensor and/or the transmitter will be required. -
NewsBook Excerpt + Author Q&A: Mission Critical Operations
Mission-critical specialists are in-demand in a variety of critical infrastructure areas, focused on events that could result in serious consequences, such as loss of life, harm to the environment or -
FeatureAutoQuiz: Motor Shaft Speed Relationship to Frequency and Number of Poles
The shaft speed of a motor is directly proportional to the frequency and is inversely proportional to the number of poles. -
FeatureAutoQuiz: How to Measure Tank Differential Pressure
A tank level is measured using a differential pressure transmitter (DPT-1) and a bubbler tube. The tank is vented to atmosphere.