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Joel Don
345 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.