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

Particle size and contamination analysis

For oils, aqueous samples and compatible liquid formulations

BENCHTOP LIQUID ANALYSIS

WITH CONTROLLED SAMPLING

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LPC-4Liquid Particle Counter

Light obscuration measurement with syringe sampling

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4096

PC CONNECTION

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7 inch

TOUCHSCREEN

6 GB

DATA STORAGE

RS232

NET WEIGHT

Particle measurement

in liquid samples

LPC-4 measures solid particle size, count and size distribution by light obscuration. Precision syringe sampling controls sample volume and flow for benchtop contamination testing.

Controlled sampling and clear results

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Optical detection

Semiconductor laser sensing measures particle size and count. Up to 4096 channels record size distribution.

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Precise sampling

Syringe sampling controls volume and speed. The sampling head supports automatic or manual lifting.

Touchscreen operation

A 7-inch Android touchscreen controls testing. Magnetic stirring helps distribute particles evenly.

Managed records

Password access, function permissions, operation logs and backup support controlled data handling.

Typical workflow

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Prepare

Liquid sample

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Configure

Size / volume

Measure

Particle count

Review

Print / export

Typical applications

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Low-viscosity oils

Solid contamination

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Hydraulic fluids

Water-based fluids

Aqueous samples

Insoluble particles

Reagents and polymers

Compatible solutions

Optical analysis

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Laser source

Semiconductor laser

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Size distribution

Up to 4096 channels

Repeatability

Particle count RSD <2%

Counting error

Relative error ±5%

Liquid viscosity

Up to 100 cSt

Calibration basis

Particle sizes in µm and µm(c) follow different calibration conventions.

Measurement specifications

Sensor and calibration dependent particle sizing.

Detection range	0.8–600 µm, sensor dependent
Particle size range	1–100 µm (ISO 4402) 4–70 µm(c) (GB/T 18854, ISO 11171)
Sensitivity	0.8 µm (ISO 4402) 3 µm(c) (GB/T 18854, ISO 11171)
Detection channels	Up to 4096
Size resolution	Better than 10% (GB/T 18854-2002, ISO 11171)
Coincidence limit	12,000–40,000 particles/mL Sensor dependent
Count repeatability	RSD <2%
Count relative error	±5%
Sample viscosity	≤100 cSt
Light source	Semiconductor laser

Technical specifications and software may change. The delivered configuration takes precedence.

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MEASUREMENT PRINCIPLE

Light obscuration detects individual particles as they pass through the optical sensing zone.

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SENSOR SELECTION

Detection range, sensitivity and concentration limit depend on the selected sensor.

Benchtop setup

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Flow control

5–80 mL/min

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Default speed

15 mL/min

Volume setting

0.1 mL increments

Sample viscosity

≤100 cSt

Sample temperature

0–80 °C

Installation

Allow space around the instrument for sample loading and routine servicing.

Operating specifications

Sampling control and installation requirements.

Sampling volume	0.2–500 mL 0.1 mL increments
Volume relative error	Better than ±0.5%
Sampling speed	5–80 mL/min Default 15 mL/min
Cleaning speed	5–80 mL/min Default 15 mL/min
Sample temperature	0–80 °C
Operating temperature	0–60 °C
Storage temperature	−30–80 °C
Power supply	100–245 V, 49–62 Hz
Dimensions	410 × 255 × 468 mm
Net weight	25.5 kg

Technical specifications and software may change. The delivered configuration takes precedence.

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SAMPLING CONTROL

A precision syringe maintains controlled sampling speed and sample volume.

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SAMPLE HANDLING

Automatic or manual head lifting and magnetic stirring support sample preparation.

Data functions

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Access control

Password login

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Permissions

By level and function

Traceability

Operation logs

Data transfer

USB storage and RS232

PC reports

Query and PDF output

Result management

Archive, retrieve and analyze stored results. Back up records according to your workflow.

Data and calibration

Built-in classification and record management.

Display	7-inch Android color touchscreen
Storage	6 GB internal memory USB drive export
PC connectivity	RS232 and data acquisition software
Reports	Annotation, storage, search and PDF report generation
Input	Multiple input methods Handwriting for Chinese annotations
Calibration curves	Latex spheres, ACFTD, ISO MTD
Built-in standards	NAS 1638 ISO 4406: 1987, 1999, 2007 GB/T 14039-2002
Additional standards	GJB 420A-1996 GJB 420B-2006 / 2015 AS4059E / AS4059F
Additional standards	ROCT 17216-1971 / 2001* JTS-005, SAE749D-1963 NAS 1638 / ISO 4406
Custom classification	User-defined standards supported

*Standard identifiers follow the supplied document. Confirm the required standard version with the selected configuration.

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CALIBRATION CURVES

Store latex sphere, ACFTD and ISO MTD curves simultaneously and switch as required.

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OPTIONAL PRINTING

External dot-matrix microprinter or A4 printer for direct test report output.

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