1．NMB ball bearing motor– Long life, low noise  

2．Compact size, high vacuum, high flow rate

3．Adjustable flow setting– Wider application scenarios  

4．Supports 24/7 continuous operation

5．Built-in flow sensor – Latest-generation MEMS sensor chip technology  

6．High flow measurement accuracy, fast response, excellent repeatability

7．Closed-loop negative feedback control – Stepless speed regulation, stable flow

1、NMB ball bearing motor for long service life and low noise.

2、Compact size, high negative pressure, and large flow rate.

3、Supports configurable flow rate, suitable for a wider range of application scenarios.

4、Supports 24-hour uninterrupted continuous operation.

5、Built-in flow sensor adopting the latest generation of MEMS sensor chip technology.

6、High flow measurement accuracy, fast response, and good repeatability.

7、Negative feedback closed-loop control, stepless speed regulation, and stable flow rate.

Model：KQET-03

Air Suction Flow Rate：0-100LPM (configurable)

Air Pump：Low vibration, low noise

Power Supply：DC24V/4A power adapter

Power：80W

Flow Accuracy：±5%FS

Repeatability：±1%FS

Maximum Air Pressure：11.5kPa

Communication Method：RS485 @ Modbus RTU Protocol

Material：304 stainless steel (brushed surface)

Dimensions (mm)：Width 214 * Depth 170 * Height 145

Weight：1.8Kg

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

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

Installation Requirements：Stainless steel pipes shall be used for exposed parts inside and outside Grade A areas, and hard air pipes shall be used outside the areas. The distance from the pump source to the sampling point shall not exceed 10m. Each pump shall be equipped with one high-flow remote airborne particle counter or one set of bioaerosol sampling heads. The pump shall be installed as close as possible to the interior of equipment or technical mezzanine, or in the return air duct.