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MPD2 Metal Particle Detector


The AMOT metal particle detector (MPD) is an in-line continuous wear debris monitor that signals the presence of metal particles in lubricating oils. The MPD alerts the operator to perform oil condition checks to determine machinery health status. Timely detection of metal particles ensures reliable machine conditions and maximizes asset availability by avoiding unnecessary downtime.

In addition, metal particle detection can verify filter system performance and failure, confirm system flushing, detect high corrosion and abrasion wear, identify improper machine repair, eliminate sampling errors and confirm corrective maintenance. This compact, lightweight and highly robust metal particle detector has a corrosion-resistant stainless steel body with no moving parts.

Features and Benefits

  • Unique grid sensing technology
    - detects metal particles and metal chips 
    - detects all conductive metal particles (including non 
      magnetic metal particles)
  • Provides early warning of impending failure 
    - reduced operating costs
    - corrective maintenance can be scheduled to minimize costly 
    - prevents unnecessary repairs and replacement of expensive 
Additional Documents
MPD_BROCHURE (692.39 kB)
Body & end caps: 316 stainless steel
Seals: Viton Buna N/Nitrile
Electric grid rating: 3.5 va. 24 volts (AC or DC) Maximum recommended for operator safety. Intrinsically safe power supplies may also be used.
Temp. rating: Viton
Buna N/Nitrile
-23 to 177°C
-48 to 121°C
-10 to 350°F
-54 to 250°F
Max. working pressure: 13.8 bar 200 psi
Flow coefficient: Kv = 3.78 Cv = 4.39
Grid specification: Hole size
Space distance

Developed for use in manual and automatic control systems:

  • Reciprocating equipment
    • gas engines
    • diesel engines
    • compressors
  • Rotating equipment
    • gas turbines
    • steam turbines
    • transmissions and gear boxes
    • pumps
    • compressors

Operation is simple and straight forward. Process fluid, such as lube oil or transmission fluid, enters at the top of the MPD’s body. Fluid then travels through a perforated board containing a plated electrical grid on the board’s top and bottom sides.