IPsec Protocol: 4 Building Blocks Behind Every Tunnel
Instrumentation IPsec Protocol: 4 Building Blocks Behind Every Tunnel Modbus and DNP3 traffic between a remote RTU site and the control room was never designed
Communication
Communication
RAID Parity: 3 Levels Every Historian Server Uses
Instrumentation RAID Parity: 3 Levels Every Historian Server Uses A single failed hard drive in a plant historian server should never mean lost trend data,
Communication
DeviceNet Protocol: 4 Facts Behind Every Node
Instrumentation DeviceNet Protocol: 4 Facts Behind Every Node A network built on the same CAN bus technology found in a modern automobile still quietly runs
Calibration
Types of Temperature Calibrators: 6 Options Compared
Instrumentation Types of Temperature Calibrators: 6 Options Compared Reaching for the same calibrator for every job is how a lab ends up with a batch
Calibration
Dry Block Calibrator: 4 Parts Behind the Accuracy
Instrumentation Dry Block Calibrator: 4 Parts Behind the Accuracy No oil bath, no spill risk, and no cleanup, yet this device still gets a technician
Calibration
Oxygen Analyzer Calibration: 3 Sensor Types Explained
Instrumentation Oxygen Analyzer Calibration: 3 Sensor Types Explained A perfectly good oxygen analyzer can still drift silently for months, until a nitrogen blanket or a
Flow Measurement
Flow Control vs Needle Valve: What is the Difference
Instrumentation Flow Control vs Needle Valve: 1 Critical Difference Both valves look almost identical on the shelf, use the same tapered stem, and are sold
Electronic Sensors
Inductive Proximity Sensor Selection: 6 Costly Mistakes
Instrumentation Inductive Proximity Sensor Selection: 6 Costly Mistakes Two sensors with the same thread size can behave nothing alike once a different target metal shows
Electronic Sensors
NAMUR Output Sensor: 2 Vital Reasons Plants Rely on It
Instrumentation NAMUR Output Sensor: 2 Vital Reasons Plants Rely on It A proximity sensor in a hazardous area cannot be allowed to generate a spark,
Design
Floating vs Grounded Voltage: 2 Critical Differences
Electrical Fundamentals Floating vs Grounded Voltage: 2 Critical Differences Every voltage reading depends on where the meter’s black lead is connected, not just where the