In-depth technical whitepapers, sensor selection guides, maintenance best practices, and product updates curated by Protech Marketing application engineers.
Browse practical guides, wiring techniques, protocol comparisons, and sensor selection methodologies.
Engineering Guides
5 Min Read
With tightening RoHS and environmental regulations across Europe and global manufacturing hubs, plastic and polymer extrusion plants are phasing out mercury-filled melt pressure sensors. Learn about NaK (Sodium-Potassium) and silicone oil alternatives.
Engineering Guides
4 Min Read
Eliminate thermal overshoot and achieve sub-degree temperature stability across multi-zone extrusion barrels using microprocessor-based PID autotuning algorithms.
Engineering Guides
3 Min Read
How FSK modulation enables bidirectional digital communication over standard 4-20mA analog loops without requiring additional field wiring or hardware replacement.
Sensors & Transducers
4 Min Read
Incremental vs. Absolute encoders: IP ratings, shaft load ratings, magnetic vs. optical disks, and EMC shielding techniques for motor feedback in vibrating industrial plants.
Level Measurement
5 Min Read
A comprehensive technical comparison of high-frequency 80 GHz FMCW radar transmitters versus continuous capacitance level probes in high-dust and corrosive slurry applications.
Engineering Guides
4 Min Read
Selecting diaphragm materials (Hastelloy-C, Tantalum, Inconel, PTFE coatings) and fill fluids (Silicone, High-Temp Oil, Food-Grade Halocarbon) for sanitary and chemical processes.