Mechanical equipment fault occurs are mostly caused due to mechanical wear, wear particles exist in a large amount of information about wear condition, the monitoring can be used to judge the wear state or judgment occurred in the form of wear and tear. When the damage is going to happen, the number of metal particles in the lubricating oil will increase dramatically. Diameter of the metal particles will increase, according to the cumulative total number of detected metal particles, can be given key indicators: whether there is a fault, when it should be shut down, you can also run long, to prevent secondary damage, effectively reduce repair costs, reduce the cut-off time interval, so that the loss caused by interruption is minimized.
Metal CHECK sensor is a real time monitoring system of oil particles, inline of the oil pipeline, and 100% of the metal particles detected by the system, combined with the use of monitoring software, Metal CHECK oil pipeline may wear metal particles number of accumulating statistics, and the number of particles per unit of time by the trend analysis. Metal CHECK industrial, marine and aerospace has been widely used. The sensor uses electromagnetic induction to detect the number of the lubrication system of the metal particles, as determined extent of bearing or gearbox damage by data. The sensor must be installed before the filter, the lowest point in the return line position. Each detected a metal particle, particle sensors automatically accumulates count, and regularly sends up position this time period to detect the total number of particles.
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Spec. |
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Sensor diameter |
Min particle |
Min flow |
Max measure rate |
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Iron |
Non-Iron |
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8mm |
125μm |
450μm |
≥0.5 L/min |
65 1/s |
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Power supply |
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Power |
12VDC~33 VDC @5W (Max) (300 mA @ 24 VDC) |
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Oil pressure |
≤20 bar (300 psi) |
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Oil Temp. |
-40°C ~ 85°C |
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Ambient Temp. |
-40°C ~ 70°C |
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Medium |
Hydraulic and lubricating oils; synthetic oils and mineral oils etc. |
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Output signal |
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Communication mode |
RS485 Half Duplex |
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Isolation voltage |
5kV |
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Data transmission |
Time to send the cumulative number of particles within the time period |
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- Easy to install
- Robust design
- Full flow design
- No moving parts
- Online, real-time detection
- 5KV high isolation voltage signal line
- Intuitive results of the monitoring data
- Transmission distance up to a maximum 1km
- 100% detection of ferrous and non-ferrous metal particles
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Parameter |
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Weight |
< 4kg |
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Diameter |
38mm |
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Min particle |
Iron 400μm,Non-iron 1000μm |
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Min flow rate |
≥38 L/min |
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Max flow rate |
≤1000 L/min |
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Oil pressure |
≤20 bar(2MPa) |
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Oil Temp. |
-20°C ~ 85°C |
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Ambient Temp. |
-30°C ~ 55°C |
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Power supply |
18VDC~33 VDC @5W(Max) (300 mA @ 24 VDC) |
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Communication |
RS422Full Duplex |
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Medium |
Hydraulic and lubricating oils, synthetic oils and mineral oils etc. |
- Full flow design
- Reliable structure design
- Easy to install, no moving parts
- Transmission distance up to 1000 meters
- On line, real-time detection of metal particles
- Signal line tolerance 5KV high isolation voltage
- 100% detection of ferrous and non-ferrous metal particles
- Multichannel detection of particles with different particle sizes
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Parameter table |
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Model |
DCR-8 |
DCR-12 |
DCR-14 |
DCR-18 |
DCR-38 |
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Common path |
8mm |
12mm |
14mm |
18mm |
38mm |
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Min Ferromagnetic diameter |
100μm |
125μm |
175μm |
200μm |
350μm |
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Min non-ferromagnetic diameter |
400μm |
500μm |
550μm |
600μm |
1000μm |
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Max debris numbers |
100 1/s |
100 1/s |
100 1/s |
100 1/s |
100 1/s |
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Min flow rate |
>0.4L/min |
>0.6L/min |
>2L/min |
>6L/min |
>12L/min |
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Max flow rate |
<4L/min |
<70L/min |
<320L/min |
<880L/min |
<1000L/min |
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Pressure |
<3MPa |
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Oil Temp. |
<190°C |
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Ambient Temp. |
<55°C |
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Humidity |
<85% |
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Power supply |
18~36 VDC |
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Max startup current |
<1A |
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Operating current |
<0.25A |
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Power isolation voltage |
1500VDC |
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Communication protocol |
CAN2.0, 485, 422 |
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Communication isolation voltage |
2500 VDC |
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Baud rate |
500k(CAN2.0), 115.2k(485/422)bps |
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Drive node |
32 |
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- Full flow real-time monitoring
- Monitoring the diversity of faults
- Small in size, light in weight, easy to install
- Data transmission reliable, distance of up to 1000 meters
- Automatic storage, graphic display monitoring terminal data
- In the range of sensitivity, 100% detect ferromagnetic and non-ferromagnetic metal particles

