High-precision sensor, nearly 50% better than the industry standard

Multiple particle size options available: 0.3, 0.5, 1, 3, 5, 10 μm; Concentration indication error ≤20% for more accurate and reliable monitoring

Intelligent touch control for easy on-site maintenance

4.3-inch intelligent touch screen, support direct address setting, both local and online operation modes, making replacement and debugging more convenient

Stable, durable and long-service-life design

10-year long-life laser source & 3-year long-life built-in vacuum source with low vibration and low noise, enabling 24/7 continuous operation

Multiple alarms and safety protection

1CFM real-time flow monitoring and self-regulation, built-in audible and visual alarm light with >85db, and automatic over-concentration reminder

Multi-protocol communication compatibility and strong expandability

Supports RS485/TCP/WIFI/4G communication, customizable protocols, local data storage, and external connection with various sensors

1、High-precision sensor, accurate counting, excellent performance, in line with JJF1190-2008 Specification

2、Integrated design, easy installation

3、4.3-inch intelligent touchscreen, fast response, human-computer interaction, real-time display of monitoring data

4、High sampling flow rate of 28.3L/min enhances sampling precision and efficiency

5、Built-in vacuum source with a 3-year long service life, low vibration, low noise, and stable performance to ensure stable counting

6、More professional industrial design, ensuring complete functional interfaces while maintaining aesthetics

7、Can be started/stopped locally independently, suitable for both standalone and online use

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

9、Calibration due alert to remind customers of metering/calibration

10、Screen data alarms and Equipped with a flow sensor for real-time monitoring and automatic adjustment of flow rate, ensuring flow stability and counting accuracy

11、10-year service life imported semiconductor laser diode (calibration required annually)

12、RS485 communication, supports Modbus RTU protocol, and customized communication protocols

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

14、Real-time monitoring of particle quantities with particle sizes of 0.5μm and 5.0μm; expandable to monitor 6 particle size ranges: 0.3μm, 0.5μm, 1μm, 3μm, 5μm, and 10μm

15、Built-in audio-visual alarm light, >85db

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

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

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

Model：KQET-5108L / KQET-5108LM

Particle Size Range：0.3μm~10.0μm

Particle Size Channels：0.3μm, 0.5μm, 1.0μm, 3.0μm, 5.0μm, 10.0μm

Particle Size Distribution Error：≤±20%

Concentration Indication Error：0.5μm≤±20%FS

Maximum Sampling Concentration：35000 particles/L, Concentration over-limit protection with self-purification reminder

Repeatability Error：±5%FS

Self-Purification Time：≤5min

Sampling Flow Rate：28.3L±5%, real-time monitoring, over-limit alarm

Sampling Cycle：1-9999s (configurable)

Continuous Operation：Supports 24-hour uninterrupted stable operation

Laser Source：10-year service life imported semiconductor laser diode

Vacuum Source：Built-in vacuum source, 3-year service life

Display：4.3-inch touchscreen

Power Supply：DC24V/4A

Communication Mode：RS485 @ Modbus RTU / Ethernet @ Modbus TCP / Wireless Communication @ LoRa

Calibration Specification：JJF1190-2008, GB/ISO21501-4

Enclosure：304 stainless steel

Dimensions (mm)：Width 270 * Depth 188 * Height 119

Weight：2.7kg

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

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