MMS Sentinel®

Machinery Monitoring System’s rotating machinery experts can help you configure an online monitoring system for your rotating equipment. We offer a full suite of sensors, transmitters and monitoring systems to provide you continuous information and protection for your rotating equipment.



M4101-XX Acceleration Transmitter

  • Accelerometer Input
  • g’s Output (True Peak or True RMS)
  • 4-20 mA Output
  • 5 Selectable Ranges
  • Available with or without Alarm Module
  • CSA & UL CI, D2
  • DIN Rail Mount

Typically used on unit gearbox.


M4102-XX Velocity Transmitter

  • Accelerometer Input
  • Velocity Output (True Peak or True RMS)
  • 4-20 mA Output
  • 5 Selectable Ranges
  • Available with or without Alarm Module
  • CSA & UL CI, D2
  • DIN Rail Mount

Used on turbines.


M4103-XX Radial Displacement Transmitter

  • Proximity Probe Input
  • Displacement Output
  • 4-20 mA Output
  • 200 mV/mil
  • Available-XX with or without Alarm Module
  • CSA & UL CI, D2
  • DIN Rail Mount

Radial monitoring on shafts.


M4104-XX Thrust Displacement Transmitter

  • Proximity Probe Input
  • Thrust Position Output
  • Toward/Away Selectable
  • 4-20 mA Output
  • 200 mV/mil
  • Available with or without Alarm Mode
  • CSA & UL Cl, D2
  • DIN Rail Mount

Generally used to monitor shaft thrust position.


M4105-XX Speed/Phase Transmitter

  • Proximity Probe Input
  • 5 VDC TTL Output
  • Key/Keyway
  • Adjustable Triggering
  • 0-900,000 RPM Range
  • CSA & UL Cl, D2
  • DIN Rail Mount

Provides speed as well as phase information for frequency based analysis.