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Suzhou Kangqi Environmental Technology Co., Ltd

Standard formulation unit for Cleanrooms and Related Controlled Environments Part 3: Testing Methods

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KQET-5128B Large-Particle Remote Laser Airborne Particle Counter
The KQET-5128B large-particle remote airborne particle counter is a testing instrument designed for counting large particle sizes in clean environments. 

This series of particle counters fills a domestic gap and is built upon the principle of light scattering, utilizing photoelectric sensing technology to detect the size and count of airborne particles.

Compared to conventional high-flow particle counters, the KQET-5128B is capable of detecting significantly larger particles, measuring particle sizes in the 5μm to100μm range. It is ideally suited for clean environments where large particles are present, such as in the electronics industry, lithium battery manufacturing, automotive plants, aerospace sectors, precision machining, and the food industry.
Consultation hotline:181-5178-9348
PRODUCT SPECIFICATIONS

Product Features:

• High-precision sensor, accurate counting, excellent performance

• Compact size for convenient installation

• 4.3-inch intelligent touchscreen, rapid response, human-machine interaction, real-time display of monitoring data.

• Can set its own instrument address directly on the screen for easy on-site replacement

• Calibration due alert to remind customers of metering/calibration

• Screen data alarm and real-time flow monitoring. When connected to an independent pump, it automatically adjusts the flow rate in real-time to ensure flow stability and counting accuracy.

• High sampling flow rate of 100L/min enhances sampling precision and efficiency

• 10-year service life imported semiconductor laser diode (calibration required annually)

• RS485 communication, supports Modbus RTU protocol, and customized communication protocols

• Intelligent IoT capabilities allow for remote start/stop, more accurate cleanliness level management, and enhanced monitoring quality

• Expandable analog input hardware interfaces, allowing for external connections to temperature and humidity sensors, airspeed sensors, pressure differential sensors, etc. (optional)

• USB data export functionality, effective local data storage for over a month to prevent data loss (optional)

• Real-time monitoring of particle quantities with particle sizes of 10μm, 50μm, 1000μm, 150μm, 300μm, and 500μm

• Built-in audio-visual alarm light, >85db

• Counter can be equipped with a wireless antenna, upgraded to wireless transmission mode (optional)

Technical Specifications:

Model

KQET-5128B

Particle Size Range

10μm~500μm

Particle Size Channels

10μm, 50μm, 100μm, 150μm, 300μm, 500μm

Counting Efficiency

50%±10% @ 10μm; 100%±10% 15μm

Maximum Sampling Concentration

14000 particles/L

Repeatability Error

±5%F.S

Self-Purification Time

≤5min

Sampling Flow Rate

100L±5%

Laser Source

10-year service life imported semiconductor laser diode

Vacuum Source

External vacuum source, 3-year service life

Display

4.3-inch touchscreen

Power Supply

DC24V/1A

Communication Mode

RS485 @ Modbus RTU

Enclosure

304 stainless steel

Dimensions (mm)

Width 213 * Depth 137 * Height 71

Operating Environment

Temperature 0~40°C, Humidity 10%~90% (no condensation)

Storage Environment

Temperature -10~50°C, Humidity 0~90% (no condensation)

Contact

Address: 1001, Building 2, No. 209 Zhuyuan Road, Suzhou High tech Zone

Phone: 0512-68561567

Fax: 400-728-7728

Website: www.kqet.com. cn

Email: popularize@kqet.com.cn

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