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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.-
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Author Profile
Joel Don
344 Results Found
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FeatureAutoQuiz: How to Choose Best Method for Level Measurement
Radar does not depend on temperature or composition of a fluid as long as the beam is narrow and the dielectric constant of the fluid is greater than two. -
FeatureAutoQuiz: How to Measure Pressure in a Tank
Perform the calculation using dimensional analysis from conversion tables 33.9 ft water equals one atmosphere equals 14.696 lbf /in2 (psi). -
FeatureAutoQuiz: How to Calculate the Rated Torque for a Motor
The volts-per-hertz ratio (V/Hz) controls the torque of a motor. -
FeatureAutoQuiz: Standard Range for Pneumatically Transmitted Signals
For the sake of ease and safety, Industry recognized it is better for an operator to monitor and control processes in a more convenient and protected place -
FeatureAutoQuiz: How to Measure the Resistance of a Conductor
The resistance of a length of a conductor can be determined using the specific resistance and the cross-sectional area by using the equation R = r L/A -
FeatureAutoQuiz: Level Reading with a Differential Pressure Cell
If a differential pressure cell is not at an elevation that corresponds to zero percent level in a tank, calibrate to account for difference in elevation. -
News
Book Excerpt + Author Q&A: Condensed Handbook of Measurement and Control
ISA book is an authoritative resource for anyone responsible for selecting & implementing measurement & control devices for process automation applications. -
FeatureAutoQuiz: Which Control Valve Style Is More Likely to Develop a Blockage?
Ball, butterfly, and pinch valve body style have straight-through flow, and they are less likely to develop blockage. -
FeatureAutoQuiz: How to Calibrate a Magnetic Flowmeter
Magnetic flowmeters use Faraday's law of magnetic induction as the basis of their operation. -
FeatureAutoQuiz: What Are Acceptable Hazardous Location Protection Techniques for Industrial Areas?
Hazardous location protection techniques are defined by NEC 500.7 (NEC 2002 Code). -
News
Book Excerpt + Author Q&A: Process Analyzer Systems Project Engineering and Management
ISA book helps ease the engineering and design burden for new and experienced engineers who work on process analyzers. -
FeatureAutoQuiz: When Does an Instrument Need to Be Recalibrated?
Analysis of a calibration plot will help you determine when an industrial instrument needs to be recalibrated. -
FeatureAutoQuiz: What Is the Standard for Embedded Software for a SIL 3 Certified Safety System?
According to IEC 61511-1, embedded software, which is part of the safety device/ controller, should follow software guidelines in IEC 61508-3. -
FeatureAutoQuiz: How to Calculate the Inherent Flow Characteristic of a Valve
The inherent flow characteristic is the relationship between valve capacity and valve travel, and it is usually expressed graphically. -
NewsBook Excerpt + Author Q&A: Safety Instrumented System Design
ISA book on safety instrumented system design helps industrial automation professionals meet the requirements of international safety standards. -
FeatureAutoQuiz: Industrial Electrical Standards for Emergency Operations
The reset of an emergency stop circuit will not initiate a restart. -
FeatureAutoQuiz: What Are the Characteristics of a Piston Actuator?
An actuator is a device that applies the force necessary to cause a valve's closure member to move. -
FeatureAutoQuiz: What Is the Length Limitation for Fast Ethernet Cable?
Because of the high speed of fast Ethernet, the use of twisted pair cable is limited to 100 meters (330 feet). -
FeatureAutoQuiz: How Is Fluid Velocity Affected When the Pressure Drop Across a Valve Increases?
The pressure drop refers to the change or drop in pressure from the upstream side of the valve to the downstream side. -
FeatureAutoQuiz: What Is the Most Appropriate Technique for Modeling Linear Relationships?
The multivariate statistical-process control excels at modeling unknown linear relationships for a large number of inputs that could be correlated.
