SND1303 28.3L Portable dust particle counter is a multi-channel dust particle counter based on the principle of single particle laser scattering. It can accurately detect 6-channel particles including 0.3μm, 0.5μm, 1μm, 3μm, 5μm, and 10μm, which are commonly used in the industry. It supports multiple communication interfaces and transmits data in real time to various intelligent terminals, reducing human involvement. It is suitable for various occasions with cleanliness monitoring requirements, achieving continuous real-time monitoring 24/7, reducing risks and costs.
SND1303 28.3L Portable dust particle counter is designed based on professional standards for particle counters. It uses industrial grade lasers and large aperture optical components, combined with the latest generation of light scattering particle signal processing technology from NAVPHO, to achieve higher detection accuracy and particle size resolution. As a result, it can be compared
 Audible and visual alarms
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Accurate data : Utilizing the principle of single-particle laser scattering and paired with an industrial-grade laser light source, it boasts excellent counting efficiency and outstanding repeatability and consistency of test results .
Particle size range: The detection particle size range is 3 ~ 10 μm , a single device covers 6 particle size channels, and supports custom display of channels .
High reliability: Supports self-testing of optical and air paths, aerodynamic correction, insensitive to vibration, and high system reliability and stability .
Stable flow rate: Standard flow rate 3 L/min , using active sampling gas source , combined with PID flow closed-loop control , can support stable, long-term, high negative pressure sampling .
High efficiency and self-cleaning: Built-in high-efficiency filter can effectively avoid contamination of the sampling environment .
Second-level response: Data update rate reaches the second level, with timely and efficient response.
Comprehensive functionality: Allows setting sampling points, sampling frequency, and sampling time to achieve periodic interval sampling.
Easy- to-use interface: Equipped with an 8-inch color touchscreen, supporting both real-time and cumulative data modes, and flexibly converting data units [PC, PC/ft³, PC/m³].
Convenient communication: Standard configuration includes multiple data acquisition and communication interfaces : USB, RS485, Ethernet .
Local storage: Supports local storage, storing 7 million data entries, and can export files via Type-C interface .
Built-in printer: Embedded high-speed thermal printer with customizable print content, supports manual / automatic printing, and real-time recording of counting results.
Audible and visual alarm: Standard configuration includes an audible and visual alarm , with options for cleanliness level alarms or user- defined alarm values .
Long battery life: Built-in high-capacity battery, with a battery life of up to 8 hours.
Circuit safety: ESD, overvoltage, overcurrent, and reverse connection protection; no radiation source and no light pollution .
NAVPHO SND1303 28.3L Portable Dust Particle Counter is widely used in clean room particle counting and detection scenarios in the semiconductor industry, pharmaceutical industry, electronics industry, food processing industry, precision machining, and other industries.
| No. | Project | Parameter | Notes |
| 1 | Channel | 0.3μm、0.5μm、1μm、3μm、5μm、10μm | 6 channels |
| 2 | Sample flow | 28.3L/min | |
| 3 | Counting efficiency | 0.3μm/50%;>0.45μm/100% | According to ISO 21501-4 |
| 4 | Range | 1,000,000 PC/ft³ | |
| 5 | Zero Count | ≤10min | Counting to zero three consecutive times within 10 minutes |
| 6 | Sample time | Adjustable from 1~60000s | |
| 7 | Sampling interval | Adjustable from 10~60000s | |
| 8 | Printing method | Embedded thermal printing | |
| 9 | Interface | USB、RS485、Ethernet | |
| 10 | Protocol | Modbus-RTU/TCP | |
| 11 | Power supply | Air pump: DC 16.8V / 5A Fan: DC 16.8V / 3A | |
| 12 | Rated power | Air pump: 35W ; Fan: 25W | |
| 13 | Calibration standards | ISO 21501-4, GB T29024.4-2017, JJF 1190-2008 | |
| 14 | Work environment | Temperature:-20~60℃,Humidity:20~95%RH | No condensation |
| 15 | Battery life | Air pump: 6 hours; Fan: 8 hours | |
| 16 | Size | Air pump: 240*295*285mm Fan: 240*250*285mm | |
| 17 | Weight | Air pump: 7 kg; Fan: 5 kg |
