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

Multiple particle size options available: 0.2, 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

2.4-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

0.1CFM 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

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

• Compact size for convenient installation

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

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

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

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

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

• 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 0.5μm and 5.0μm; expandable to monitor 6 particle size ranges: 0.3μm, 0.5μm, 1μm, 3μm, 5μm, and 10μm

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

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

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

Model：KQET-5018 / KQET-5018M / KQET-5018G

Particle Size Range：0.2μm~10.0μm

Particle Size Channels：0.2μm, 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：2.83L±5%, real-time monitoring, over-limit alarm

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

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

Display：2.4-inch touchscreen

Power Supply：DC24V/1A

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

Calibration Specification：JJF1190-2008/ISO 21501-4

Enclosure：304 stainless steel

Dimensions (mm)：Width 94 * Depth 152 * Height 80

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

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