Service hotline：400-728-7728
Mobile phone：181-5178-9348
Mailbox：popularize@kqet.com.cn
Address: 1001, Building 2, No. 209 Zhuyuan Road, Suzhou High tech Zone
The KQET-5104 series is a remote laser airborne particle counter with high flow rate of 28.3L, is a testing instrument applied in the fields of cleanliness monitoring and micro-particle counting detection in clean environments. Based on the light scattering principle, the counter realizes the detection of airborne particle size distribution and the counting of particle quantity through photoelectric sensing technology
Compared with low flow rate counters, this instrument has a higher sampling flow rate of 28.3L/min, enabling more accurate detection, and has become an essential instrument for pharmaceutical factory GMP certification.
Similarly, this instrument can also be applied to other clean scenarios such as electronics, hospital operating rooms, aerospace, precision machining, and food industries. It features high measurement accuracy, small size, light weight, and easy installation.
• 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.
• High sampling flow rate of 28.3L/min enhances sampling precision and efficiency
• 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 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.
• 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
• Counter can be equipped with a wireless antenna, upgraded to wireless transmission mode (optional)
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Model |
KQET-5104 |
KQET-5104M |
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Particle Size Range |
0.3μm~10.0μm |
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Particle Size Channels |
0.5μm, 5.0μm |
0.3μm, 0.5μm, 1.0μm, 3.0μm, 5.0μm, 10.0μm |
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Particle Size Distribution Error |
/ |
≤±20% |
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Concentration Indication Error |
0.5μm≤±20%FS |
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Maximum Sampling Concentration |
35000 particles/L |
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Repeatability Error |
±5%FS |
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Self-Purification Time |
≤5min |
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Sampling Flow Rate |
28.3L±5% |
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Laser Source |
10-year long service life imported semiconductor laser diode |
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Vacuum Source |
Built-in vacuum source, 3-year service life |
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Display |
2.4-inch touchscreen |
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Power Supply |
DC24V/1A |
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Communication Mode |
RS485 @ Modbus RTU |
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Calibration Specification |
JJF1190-2008/ISO 21501-4 |
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Enclosure |
304 stainless steel |
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Dimensions (mm) |
197 * Depth 137 * Height 61 |
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Operating Environment |
Temperature 0~40°C, Humidity 10%~90% (no condensation) |
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Storage Environment |
Temperature -10~50°C, Humidity 0~90% (no condensation) |
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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
