Zetron Instrument focuses on providing customized solutions for precision analysis and monitoring.

Liquid particle analysis

For oils, water-based fluids and chemical samples

LIGHT-OBSCURATION MEASUREMENT

SOLID PARTICLE SIZE AND COUNT

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OPC-2A Benchtop Particle Counter

Controlled sampling for liquid cleanliness analysis

CHANNELS

0.01 µm

SIZE INCREMENT

≤650 cSt

SAMPLE VISCOSITY

2.6 kg

NET WEIGHT

Particle analysis

across liquid samples

OPC-2A uses light obscuration to measure solid particle size and count. Precision syringe sampling controls flow and volume for cleanliness testing of oils, water-based samples, reagents, organic liquids and polymer solutions.

Precision sampling and analysis

Precision sampling

A syringe controls sample volume and flow. Magnetic stirring helps disperse particles.

Viscous oil testing

The optional pump assists high-viscosity oil sampling. The chamber supports degassing.

Four calibration curves

Select latex, ACFTD, ISO MTD or GOST calibration to match the test method.

Data and reports

Store or print results. RS232 and PC software support annotations and PDF reports.

Built-in analysis

16 channels

Parallel size analysis

0.01 µm

Size setting step

9,900 sizes

Custom size analysis

Grading

NAS1638 / ISO4406 AS4059 / GJB420

Typical sample types

Industrial oils

Hydraulic oils Lubricating oils

Power systems

Transformer and turbine oils

Aviation fluids

Kerosene and hydraulic fluids

Kerosene and hydraulic fluids

Water, reagents and polymer solutions

Sample preparation

Optional pump

For very viscous oil samples

Precision syringe

Controlled volume and flow

Pressure / vacuum

Sample degassing chamber

Magnetic stirring

Helps disperse particles

Filtered air supply

Four-stage filter and drying

Report functions

Built-in printer, PC-based PDF reports and Chinese report annotations.

MAIN UNIT +

OPTIONAL PUMP

Technical specifications

Measurement performance and instrument configuration.

Parameter	Specification	Parameter	Specification
Light source	Semiconductor laser	Count repeatability	RSD <2%
Detection range	0.8–600 µm, sensor dependent	Relative count error	±5%
Calibrated range	1–100 µm (ISO 4402) 4–70 µm(c)	Maximum vacuum	−0.08 MPa
Sensitivity	0.8 µm (ISO 4402) 3 µm(c)	Maximum pressure	1 MPa
Channels	16, with 0.01 µm size increments	Sample viscosity	≤650 cSt
Sample volume	0.3–1,000 mL, in 0.1 mL steps	Sample temperature	0–80 °C
Volume accuracy	Better than ±0.5%	Operating temperature	0–60 °C
Test flow	5–60 mL/min, default 15 mL/min	Storage temperature	−30–80 °C
Cleaning flow	5–60 mL/min, default 15 mL/min	Power supply	100–245 V, 49–62 Hz
Resolution	Better than 10% (GB/T 18854-2002 / ISO 11171)	Dimensions	Main: 430 × 320 × 640 mm Pump: 330 × 266 × 255 mm
Coincidence limit	12,000–40,000 particles/mL, sensor dependent	Net weight	Main: 30 kg Pump: 10 kg

µm(c): GB/T 18854 / ISO 11171 calibration. Pump: optional.

Detection range and coincidence limit depend on the sensor.

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