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    Online Laser Particle Counter, 0.5μm/3μm/10μm

    The online laser particle counter can accurately measure the concentration of particles of 6 particle sizes including 0.3μm, 0.5μm, 1μm, 3μm, 5μm, 10μm, which are common in the industry. Through the standard RS485 interface and Modbus-RTU protocol, the data can be transmitted to various intelligent terminals in real time to achieve unmanned intelligent monitoring.
    SKU: SISCO-PC-039
    i h
    🚚 Free shipping
    🔙 30-day returns
    📅 Delivery: 7-12 days

    Online particle counting particle size range 0.3~10μm, the sensor adopts industrial-grade laser and light-sensitive components, combined with light scattering particle monitoring technology, which can more accurately measure the concentration of particles in various environments with cleanliness requirements.

    Laser counter interface

    Fully automatic measurement with remote control and wireless transmission

    • Online particle counter adopts single particle laser scattering principle, industrial-grade laser light source. High counting efficiency and accurate data. Particle size range 0.3~10mm.
    • Aerodynamic correction, self-checking of optical and air paths, insensitive to vibration, ensuring system reliability and stability.
    • Stable flow rate, particle counter adopts active sampling method, constant flow inlet fan, optional PID flow control function, can support stable, long time, high negative pressure, sampling.
    • The laser particle counter has a simple installation structure, high versatility, ESD, over-voltage, over-current, and reverse connection protection functions, ensuring the stability and reliability of the circuit.
    • RS485 interface, remote control, wireless transmission, and real-time data upload.



    Particle counters have a wide range of applications, such as the processing of precision electronics, testing filters, pharmaceutical plants in the pharmaceutical industry, drug testing laboratories to test the cleanliness of hospitals, hospital operating rooms, air purification industry. The design of some clean workshops or clean rooms, the construction units, and the processing of precision electronic devices related to purification equipment all require the use of particle counters.

    Particle counter applications

    Model SISCO-JC039
    Measurement Output 0.3μm, 0.5μm, 1μm, 3μm, 5μm, 10μm
    Measuring Range 4,000,000 pcs/ft3
    Flow Rate 2.83 L/min
    Input Voltage DC12V (9~25VDC), recommended power supply not less than 12V 2A
    Rated Power 3.5W
    Sleeping Power 0.24 W
    Operating Temperature Range -20-60°C
    Humidity Range 0-99%RH
    Working Atmospheric Pressure 86KPa~110KPa
    Response Time 1S
    Communication Interface RS- 485+UART TTL, customizable
    Communication Protocol Modbus-RTU, customizable
    Counting Efficiency 0.3μm/50% 
    Relative Error ±10%
    Dimension 173*104*63.2mm
    Hose Size Inner diameter: φ5mm, outer diameter: φ8mm

    Q1: How to use the handheld particle counter?
    A1: The particle counter is simple to use, first determine the number of test points according to the area of the clean room and distribute the test points evenly in the clean room, then set the measurement time, measurement unit, flow rate, and other parameters of the particle counter, then put the particle counter on the plane of 1~1.2 meters height from the ground in the middle of the sampling point, and finally start to test the sampling and record the data one by one.

    Q2: How to change the printing paper of the particle counter?
    A2: Generally, the printing part of the particle counter has a cover, some covers can be lifted directly to cover, lift it to replace the printing paper, and some need to use a screwdriver to unscrew the screw, the specific instructions are also introduced, open the cover to follow the thermal printing paper can be replaced.

    Q3: How to read the dust particle counter?
    A3: The results of the dust particle counter, generally the left column is the particle diameter, and the right column is the number of particles per cubic meter.

    Tips: What is a liquid particle counter?

    A liquid particle counter can be used laser particle counter or a condensed nucleus particle counter. A liquid particle counter is a special instrument to test the particle size of oil particles and their distribution, developed from the microscope, which has gone through the process of the microscope, weighing method, and laser particle counter, among which laser particle counter has become the mainstream product in many industries in recent years due to its advantages in various aspects such as fast testing speed, wide dynamic distribution and not affected by a human.


    Thank you for buying industrial test and measurement equipment on, all products sold by SISCO and the partner cover a 12 months warranty, effective from the date of receiving the products.

    What is covered?

    SISCO is responsible for providing free spare parts, and free technical support to assist the customer to repair the defective products until the problem is solved.

    What is not covered?

    • Product purchased from anyone other than a SISCO store or a SISCO authorized reseller.
    • Expendable parts.
    • Routine cleaning or normal cosmetic and mechanical wear.
    • Damage from misuse, abuse or neglect.
    • Damage from use of parts other than SISCO approved.
    • Damage from use outside the product’s usage or storage parameters.
    • Damage from use of parts not sold by SISCO.
    • Damage from modification or incorporation into other products.
    • Damage from repair or replacement of warranted parts by a service provider other than a SISCO authorized service provider.
    • Damage caused by the application environment not meeting the product usage requirements and the failure to perform preventive maintenance.
    4.0 1
    Write your own review Close
    Zoe | 9/26/2023 11:22 PM
    High Accuracy
    This online laser particle counter is fantastic! I am very pleased with its performance and functions. Firstly, it is very accurate and can count the number of particles accurately, which gives me more confidence in the results of my experiments. Secondly, it is easy to operate and I don't need much technical knowledge to operate it. Most importantly, its online function allows me to count particles anytime, anywhere, without the constraints of time and place.