KQ-4001 small flow rate 2.83L desktop laser dust particle counter is a precision test instrument applied to clean environment cleanliness inspection. It is mainly applied to cleanliness testing and measurement of clean room. The product shell is made of stainless steel, combined with a professional industrial design, the handle is built-in button rear, the first in the industry, simple and atmospheric appearance, the smallest volume and lightest weight in China, the body adopts a 7-inch touch screen, the display of detection data is intuitive, touch operation is simple, comfortable, efficient and convenient. The core sensor is based on the theoretical principle of light scattering, and the particle size detection and particle number counting of suspended particles in the clean environment is achieved through precise photoelectric sensing technology.

The instrument is widely used in pharmaceutical factories, electronics factories, hospital operating rooms, aerospace, precision processing, food industry and other clean scenes, with good stability, high measurement accuracy, atmospheric appearance, light use and other characteristics.

2. Product features

• Large 7-inch high-definition screen with higher resolution and faster response, allowing users to read cleanliness data intuitively
• Friendly human-machine interaction, simple and direct operation, reducing user learning costs and improving user experience
• Compact size, easy to carry, supports desktop / handheld dual-use
• Real-time flow monitoring, using intelligent algorithms to achieve real-time negative feedback self-adjustment of flow, more accurate detection results
• 20000 groups of large-capacity data storage, support U disk a key to export PDF files, download data anytime, anywhere
• Support 100 room point preset function, one key selection, fast sampling
• Support 20 users management, support password complexity management, support multi-level authority management
• Support audit trail, log management, queryable, traceable, controllable, in line with FDA 21CFR PART11 specification
• Support 6 channels/2 channels (0.5um, 5.0um) custom switch
• Support calibration reminder function, remind users to measure in time to ensure the normal use of the instrument
• Long life laser source, service life of more than 30,000 hours (need to be calibrated annually)
• Large-capacity quality lithium battery, longer life, AC and DC dual-use
• Expandable, with analog access hardware interface, can be external temperature and humidity sensor / wind speed sensor / differential pressure sensor, etc. (optional)

3. Main technical parameters

4. After-sales service

One year warranty, lifetime maintenance, free lifetime software upgrade.

Suzhou Kangqi Environmental Technology Co., Ltd., is located in Suzhou, the birthplace of China's cleanroom industry. It is recognized as an outstanding leading talent enterprise in Suzhou, a national high-tech enterprise, a standard-setting unit for the national standard "Cleanrooms and Associated Controlled Environments Part 3: Test Methods," and an ISO9001 quality management system certified company. The company’s products are CE certified for export, and it was awarded the first prize in the 2023 "Sci-Tech Innovation Suzhou" Youth Science and Technology Entrepreneurship Competition, the 2023 Industry Outstanding Contribution Award, and holds an AAA credit rating. It is also certified under the Intellectual Property Management System and is recognized as a top 100 quality supplier in the clean industry.

Founded by a technical team deeply rooted in the cleanroom industry, the company’s core product components, such as sensors, are developed by a postdoctoral team from the Chinese Academy of Sciences (CAS), which has dedicated decades to the study of condensation nuclear particle counters (including one CAS postdoctoral researcher and three CAS PhDs). Driven by technological innovation, the company has obtained dozens of core invention and utility model patents. Adhering to a customer-centric philosophy, the company aims to achieve win-win outcomes with its clients and is committed to advancing the cleanroom industry.

The company specializes in the research, development, production, and sale of cleanroom testing instruments (such as laser particle counters, airborne microbial samplers, air volume instruments, high-efficiency filter leak detectors, pure water fog generators, pressure relief valves, clean environment testing components, etc.) and online monitoring systems for clean environments. These products are primarily used in clean environments like pharmaceutical factories, electronics factories, semiconductors, hospitals, laboratories, precision manufacturing, aerospace, cosmetics, food factories, new materials, and automotive industries. Our typical clients include leading enterprises such as CSPC Pharmaceutical Group, BYD Group, Sichuan Dongcai Technology Group, Wuxi Lead Intelligent Equipment, Changxing Aviation, Tsinghua University, Sanjinkuang Optoelectronics, Gansu Hailiang, Hisense Group, and Zhenqu Semiconductor, to whom we provide cleanroom environment testing, IoT online monitoring solutions, as well as training, calibration, metrology, testing, and validation services.

"Breathing Life into the Cleanroom!" With continuous innovation and dedication, Kangqi is committed to providing customers with more comprehensive technical guidance, cost-effective products, high-quality cleanroom system solutions, and meticulous application support services.