Electro‑Sensors, Inc. is a U.S. manufacturer of rugged conveyor safety and hazard‑monitoring sensors. Their portfolio includes belt alignment, belt damage and speed switches, temperature monitors, and complete hazard detection systems designed for industrial bulk material handling.

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Company Overview

Founded in 1968 and based in Minnetonka, Minnesota, Electro‑Sensors is an ISO‑certified public company (NASDAQ: ELSE) specializing in machine and hazard monitoring for conveyor and process applications :contentReference[oaicite:1]{index=1}. Their products serve industries such as grain, mining, cement, power, and water utilities.

Belt Alignment & Damage Detection

They offer a suite of conveyor belt safety devices including:

  • Model RS Series: Cast‑aluminum housing alignment switches with optional explosion‑proof versions and adjustable actuation force :contentReference[oaicite:2]{index=2}.
  • Model DB Series: Cable‑operated damaged belt detectors that sense tears or punctures and trigger alarms or shutdowns :contentReference[oaicite:3]{index=3}.
  • Rub Block Temperature Sensors: Monitor belt contact and temperature increase for early belt drift detection :contentReference[oaicite:4]{index=4}.

Speed and Shaft Monitoring

Electro‑Sensors provides robust speed monitoring solutions:

  • Shaft Speed Switches (FB420, M100, DR1000, LRB Series): Furnished in explosion‑proof or NEMA enclosures, with adjustable over/under/zero-speed detection and analog or relay outputs :contentReference[oaicite:5]{index=5}.

Hazard Monitoring Systems

The company also produces integrated hazard‑monitoring platforms:

  • Electro‑Sentry and HazardPRO Systems: Combine multiple sensor types (alignment, temperature, speed, vibration) into one programmable monitoring system :contentReference[oaicite:6]{index=6}.

Certifications & Applications

Electro‑Sensors products are designed for rugged industries—grain, mining, power, water—and comply with ISO quality standards. Their explosion‑proof offerings and NEMA/IP ratings support safe use in hazardous installations.

Conclusion

Electro‑Sensors delivers proven conveyor safety solutions with belt alignment, damage detection, shaft speed monitoring, and integrated hazard systems. With nearly six decades of experience, their U.S.-built equipment ensures operational reliability and risk mitigation in critical industrial environments.