Electro-Sensors, Inc.

Minnetonka, MN • 800-328-6170 http://www.electro-sensors.com

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Monitoring Equipment

HazardPRO™ Wireless Hazard Monitoring

  • Vibration, speed, bearing, ambient, and alignment sensors.
  • Monitor trippers, elevators, conveyors, grain binsweep etc.
  • Live sensor data via Modbus or Ethernet IP.
  • Graphed history of sensor performance.
  • Fastest install times.
  • Lower total installed cost (no conduit).
  • Class II, Div. 1 sensors and nodes.

Material Handling

4-20 mA or Two-Relay Output Position Monitors

• Absolute encoder-based feedback.

• Simple push-button calibration.

• Retains gate position in the event of power loss.

• Rugged, explosion proof, and NEMA 4X enclosures.

• Multiple mounting options for position feedback on:

> Slide gates.

> Distributor heads.

> Valves.

> Clam shell buckets.

> Gates.

> Screens.

Material Handling

Vibration Sensors and Switches

VT420 – 4-20mA output vibration sensor

• Measures 2 in/S RMS.

• NEMA 4X enclosure.

• Optional PM500 process meter display.


• Low-level vibration switch.

• 0.1-2.2 in/S trip-point range.


• High-level vibration switch.

• 2.0-26 in/S trip-point range.

Bearing Sensors

Temperature Sensors and Belt Alignment


• 2-wire, loop-powered 4-20mA analog output.

• UL listed, intrinsically safe (I.S.).


• Liquid-tight (LT) conduit fittings.

• FM approved, dust ignition-proof.


• 3-wire, RTD output.

• Intrinsically safe (I.S.).

Rub block door assemblies.

• Standard hinged, adjustable, and uni-strut.

Material Handling

Speed Sensors and Switches

Speed Sensors

• 4-20mA or pulse (NPN, PNP) output.

• Single or quadrature (bi-directional) outputs.

• Large gap, non-contact sensing.

• Explosion proof (XP), intrinsically safe (IS), and

dust-Ignition-proof (DIP) options.

• No user calibration.

Speed Switches

• Output options: relay, 4-20mA analog, DeviceNet®.

• Under speed, over speed, zero speed, or reverse detection.

• Single or multiple setpoints.

• Failsafe operation.

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