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Industrial & Process Sensors · 8 articles

Industrial & Process Sensors

Inductive, capacitive, photoelectric, ultrasonic, pressure, and flow sensors compared side-by-side on the specs that change your design: switching frequency, output type (NPN/PNP), IP rating, voltage range, and sensing distance. Sourced from manufacturer datasheets and integrator community feedback so you can shortlist faster.

HC-SR04 Ultrasonic Sensors Beyond the Basics: Water Level, Bridge Clearance, Outdoor Enclosures, and I2C Upgrades

HC-SR04 Ultrasonic Sensors Beyond the Basics: Water Level, Bridge Clearance, Outdoor Enclosures, and I2C Upgrades

The HC-SR04 ultrasonic sensor is cheap and capable, but real-world deployments demand more than a breadboard setup. Here's how practitioners are running them

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NPN vs. PNP Inductive Proximity Sensors: Wiring Logic and the Right M12/M18 Pick for Your PLC

NPN vs. PNP Inductive Proximity Sensors: Wiring Logic and the Right M12/M18 Pick for Your PLC

NPN and PNP wiring outputs trip up even experienced engineers. This guide breaks down the switching logic, shows the math, and helps you pick the right M12 or

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Photoelectric and Proximity Sensor Testers, Retroreflective Sensors, and Diffuse Sensors: Practical Field Selection and Troubleshooting

Photoelectric and Proximity Sensor Testers, Retroreflective Sensors, and Diffuse Sensors: Practical Field Selection and Troubleshooting

Whether you're commissioning a conveyor line or troubleshooting a mystery fault on a packaging machine, this guide cuts through the sensor-selection noise with

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Photoelectric Sensor Modes Decoded: Through-Beam, Retroreflective, and Diffuse — With NPN/PNP Output Selection

Photoelectric Sensor Modes Decoded: Through-Beam, Retroreflective, and Diffuse — With NPN/PNP Output Selection

Not sure whether to wire a through-beam, retroreflective, or diffuse photoelectric sensor — or which output type fits your PLC? This guide breaks down every

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Pressure Transducers for Oil, Fuel, and Water: NPT Thread, Output Signal, and PSI Range Selection Guide

Pressure Transducers for Oil, Fuel, and Water: NPT Thread, Output Signal, and PSI Range Selection Guide

Choosing the wrong pressure transducer for oil, fuel, or water service wastes money and risks system failure. This guide walks you through NPT thread sizing

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Capacitive Proximity Sensors for Level and Non-Metal Detection: M18 vs. M30 and AC vs. DC Output

Capacitive Proximity Sensors for Level and Non-Metal Detection: M18 vs. M30 and AC vs. DC Output

Choosing the wrong capacitive proximity sensor body size or output type can mean nuisance trips, failed level detection, or a wiring rework. This guide shows

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Proximity and Photoelectric Sensors for 3D Printers, CNC Machines, and DIY Automation: A Maker's Selection Guide

Proximity and Photoelectric Sensors for 3D Printers, CNC Machines, and DIY Automation: A Maker's Selection Guide

Whether you're auto-homing a 3D printer bed or building a parts counter on a CNC line, choosing the right proximity or photoelectric sensor determines whether

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HC-SR04 Ultrasonic Distance Sensors: Pack Quality, Waterproof Variants, and I2C Upgrade Options

HC-SR04 Ultrasonic Distance Sensors: Pack Quality, Waterproof Variants, and I2C Upgrade Options

Not all HC-SR04 modules are the same. This guide breaks down pack quality differences, waterproof alternatives, and I2C bridge options so you can pick the

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