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.
Particle size channel | 0.2μm,0.5μm,1.0μm,3.0μm,5.0μm,10.0μm |
Sampling flow rate | 2.83L/min(0.1CFM)±5% |
Particle size distribution error | ≤±20% |
Concentration error | 0.5μm≤±20%FS |
Repetition error | ±5%F.S |
Self-cleaning time | ≤5min |
Sampling period | 1~9999s adjustable |
Sampling delay | 0~999s adjustable |
Number of sampling | 1~50 times adjustable |
Sampling points | 2~9 points adjustable |
Sampling mode | Upper confidence limit (UCL) measurements, general measurements |
Point presets | 100 room point preset, one key selection, fast sampling |
Laser light source | Long-life semiconductor laser diode with 10-year service life |
Vacuum requirements | Built-in miniature real air source |
Screen display | 7-inch IPS touch color screen |
Printing method | Embedded thermal printing |
Operating voltage | DC12V/1A |
Charging power | AC220V/50Hz |
Built-in lithium battery | DC12V/5AH |
Battery life | ≥6 hours |
Charger | Input AC100-240V/50Hz, Output DC12.6V/2A |
Charging time | 2.5 hours |
Data storage | 20000 bars |
Data export | U disk export + USB communication export, export format PDF |
Data security | Management of 20 multiple users, management of password complexity, management of multi-level permissions |
Channel selection | 6-channel/2-channel (0.5 5.0um) custom switching |
Calibration reminder | Calibration reminder function to remind users of timing and measurement to ensure the normal use of the instrument |
Audit trail | Searchable, traceable and controllable, in compliance with FDA 21CFR PART11 specifications |
Temperature and humidity detection | 0~50℃ 0~100%RH (Optional function) |
Calibration specifications | JJF1190-2008,GB/T6167-2007 |
Judgment criteria | cGMP static, GMP dynamic, ISO14644-1 |
Housing material | 304 stainless steel |
Housing size | Length 20cm width 11cm height 17cm |
Weight | 2.2Kg (with battery) |
Working environment | Temperature 0~40°C Humidity 10%~90% No condensation |
Storage environment | Temperature -10~50°C Humidity 0~90% No condensation |
One year warranty, lifetime maintenance, free lifetime software upgrade.