OPC-5C Online Oil Particle Counter for Continuous Oil Cleanliness Monitoring
OPC-5C Online Particle Counter
Automatic online particle counting and cleanliness classification
Continuous online oil
cleanliness monitoring
OPC-5C mounts on hydraulic and lubrication systems for automatic online particle monitoring. It reports particle counts and cleanliness grades at user-defined intervals.
Online measurement for installed systems
Online workflow
Typical applications
Core capability
Optional measurement
Add a water activity sensor to measure oil water activity and temperature.
Technical specifications
Performance and configuration data supplied for OPC-5C.
| Parameter | Specification | Parameter | Specification |
| Light source | Semiconductor laser | Detection range | 1 to 600 μm, sensor dependent |
| Particle size range | 1 to 100 μm (ISO 4402) 4 to 70 μm(c) (GB/T 18854, ISO 11171) |
Sensitivity | 1 μm (ISO 4402) 4 μm(c) (GB/T 18854, ISO 11171) |
| Detection channels | 8, with 0.1 μm size settings | Sampling volume | 10 mL per test |
| Sampling volume error | Better than ±3% | Counting volume | 10 mL |
| Measurement flow | 5 to 60 mL/min Default 20 mL/min |
Cleaning flow | 5 to 60 mL/min Default 20 mL/min |
| Flush volume | 0 to 90 mL 1 mL increments |
Coincidence limit | 12,000 to 40,000 particles/mL Sensor dependent |
| Count repeatability | RSD <2% | Relative count error | ±0.2 contamination grade |
| Result storage | Internal memory or USB drive | Online pressure | 0.1 to 0.6 MPa Up to 40 MPa with optional reducer |
| Online interval | 1 s to 10 h 59 min 59 s | Sample temperature | 0 to 80 °C |
| Operating temperature | −20 to 60 °C | Storage temperature | −30 to 80 °C |
| Power supply | 100 to 265 VAC or 24 VDC | Communication | RS232 standard |
| RS485 optional | |||
| Dimensions | 310 × 250 × 125 mm | Net weight | 5 kg |
Specifications may be updated as the product evolves. Confirm the final configuration before ordering.
System functions
Industrial housing
Mounting holes support installation on the system.
The cast aluminum enclosure suits demanding industrial environments.
Standards and system functions
Editable classification, calibration and data functions.
| Function | Details |
| Measurement principle | Light obscuration method |
| Built-in standards | NAS 1638 ISO 4406: 1987, 1999 and 2017 GB/T 14039-2012 |
| GJB and AS standards | GJB 420A-1996 GJB 420B-2006 and 2015 AS4059E and AS4059F, differential and cumulative |
| Additional standards | ROCT 17216-1971 and 2001 SAE 749D-1963 NAS 1638 / ISO 4406 |
| Custom standard | Up to 990 particle sizes 0.1 μm increments |
| Calibration basis | ISO 4402 GB/T 18854-2002 (ISO 11171:1999) ROCT |
| Stored curves | ACFTD, ISO MTD and GOST Three curves stored simultaneously |
| Reporting | Built-in printer for test reports |
| Data storage | Internal memory or external USB drive |
| Communication | RS232 standard RS485 optional with communication protocol |
| Flush function | Flush volume adjustable from 0 to 90 mL |
| Installation | Mounting holes for system installation |
Standard identifiers follow the supplied document. Confirm the required version and selected configuration before ordering.
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