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OMS-300 Series Integrated Oil Online Monitoring Sensor

The OMS-300 Series Integrated Oil Online Monitoring Sensor integrates multiple detection probes for wear debris (ferromagnetic and non-ferromagnetic), kinematic viscosity, density, trace moisture, water activity (relative saturation), dielectric constant, water content, and temperature, thereby accomplishing an integrated detection of the oil’s wear condition and physicochemical properties.
The device is compact and robust, making it highly suitable for oil condition monitoring in gearboxes and other heavy-duty industrial equipment. It is a reliable product for predictive maintenance and advanced manufacturing.

OMS-300 Series Integrated Oil Online Monitoring Sensor_catalog

Description

The OMS-300 is equipped with an industry-leading high-precision and high-stability wear debris detection module. This module employs an advanced multi-coil magnetic field disturbance detection principle, combined with a high-performance data sampling and processing unit, to achieve real-time capture and cumulative output of ferromagnetic particles ≥40µm and non-ferromagnetic particles ≥150µm.

The OMS-300 also features built-in internal temperature measurement and oil flow velocity measurement, enabling self-diagnosis of the sensor’s operating environment and judgment of oil circuit flow. This ensures the sensor always operates in an optimal detection state and guarantees the representativeness of the oil sample being monitored.

The introduction of the OMS-300 enables real-time monitoring of the wear condition of large industrial equipment. By continuously monitoring the generation of wear debris and the oil’s physicochemical indicators, it can alert users to perform maintenance at the earliest stages of equipment failure. Compared to traditional maintenance schedules, this allows for lower-cost maintenance measures and helps prevent larger, more serious accidents.

  • Detection capability for 40µm Ferromagnetic & 150µm Non-ferromagnetic wear debris.
  • Wear debris count statistics and material analysis.
  • Detection of multiple physicochemical indicators including viscosity, density, and trace moisture.
  • Flow velocity estimation to ensure the representativeness of the measurement.
  • Early detection of abnormal wear to protect valuable assets.
  • Measurement is immune to interference from external metals and magnetic fields.
  • Measurement is unaffected by bubbles and moisture in the oil.
  • Fast response, with adjustable data accumulation cycles.
  • Excellent chemical corrosion resistance and pressure tolerance.
  • No moving parts or consumables, designed for a 10-year lifespan.
  • 2.5 kV isolated RS485 Modbus communication.
Ferromagnetic & Non-ferromagnetic Particles, Kinematic Viscosity, Density, Trace Moisture, Water Activity, Temperature, Flow Velocity
Optional: Dielectric Constant, Free Water
Ferromagnetic & Non-ferromagnetic Wear Debris Detection
Detection CapabilityFerromagnetic Particles (Fe)        > 40 µm (ESD), Five Bands
Non-ferromagnetic Particles (NFe)   > 150 µm (ESD), Five Bands
Particle Passage DiameterΦ 8 mm
Detection Rate> 90%
Ferromagnetic Statistics40~99µm, 100~199µm, 200~299µm, 300~399µm, ≥ 400µm
Non-ferromagnetic Statistics150~199µm, 200~299µm, 300~399µm, 400~499µm, ≥ 500µm
Statistics CycleStartup self-test 30 seconds (first time), counting interval 300~3600 seconds adjustable
Particle CountMax 100 particles/second
Oil Property Detection
Viscosity DetectionRange: 1…1000cSt (larger ranges available upon request)
Accuracy: 5% or 5cSt, whichever is greater
Resolution: 0.1cSt
Density DetectionRange: 600…1250 kg·m⁻³
Accuracy: 2% or 5 kg·m⁻³, whichever is greater
Resolution: 0.1 kg·m⁻³
Trace MoistureRange: 1…5000ppm (calibrated based on oil type)
Accuracy: 10% or 10ppm
Resolution: 1ppm
Water ActivityRange: 0…1aw
Accuracy: 3%
Resolution: 0.001aw
TemperatureRange: -40…85℃
Accuracy: 0.5℃
Resolution: 0.1℃
Dielectric Constant (Optional)Range: 1…6εr
Accuracy: 0.2εr
Resolution: 0.1εr
Free Water (Optional)Range: 0-20%
Accuracy: 0.5%
Resolution: 0.1%
Other Parameters
Permissible Flow Rate0.3…9L/min
Equivalent Inner DiameterΦ8 mm (customizable)
Digital OutputRS485 MODBUS RTU, isolation voltage 2.5kV
Operating PowerDC9~30V, Max 5W
Permissible Oil PressureMax 1.0MPa
Applicable FluidsLubricating oils and hydraulic oils (synthetic and mineral-based), etc.
Fluid Temperature-40 … 80 ℃
Ambient Temperature-40 … 85 ℃
Storage Temperature-50 … 120 ℃
Housing MaterialStainless Steel, Anodized Aluminum, Polycarbonate
Dimensions150 × 80 × 80 mm (L × W × H)
Oil Port InterfaceG1/4” (customizable)
Weight< 4 kg
Protection RatingIP66
Connection CableStandard: 2-meter 5-core cable, M12*1.5 straight connector, or optional M12 waterproof gland
Electromagnetic CompatibilityEN61000, EN61326-1, EN61326-2, EN61326-4
Explosion-Proof Rating (Optional)Ex ib IIC T6 Gb

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