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Automatic Clean Ionizing Air Blower desktop ESD ion fan KF-21AW

  • Ion balance : 0±10V
  • Automatic Clean time setting 0-999 hours optional
  • Smart Visualization Panel display
  • Support network monitoring function


KF-21AW is portable desk top ionizer air blower. Ion balance can be achieved less than ± 10 V.It's very safe as the low pressure high-frequency AC type with anti-static ABS shell. The product has automatic cleaning function,set clean time 0-999 hours optional. The fan reverses when cleaning, prevents the dust pollution front-end product. It's our best seller with very stable performance.

Technical Parameters

ModelKF-21AWAir volume2.56-4.07m³/min
Input voltageDC24VOzone concentrationbelow 0.03ppm (distance 150mm)
lon balanceAutomatic ion balance system 0±10VWorking temperature0-40℃
Working voltageHigh frequency  AC ±2200VWorking humidity

30- 70%RH (No condensation or water droplets)


1.5kg ( bracket included)

Product Size

142.6* 78 * 178 mm ( bracket exclusive)


  • High frequency AC method, achieved excellent ionization equilibrium 0±10V.

  • Fan speed 7 segments adjustable F01-F07.

  • Set up automatic cleaning time 0-999 hours. clean time setting show in LED display.

  • with function of lock the whole machine.

  • support network monitoring function.

  • with fan abnormal alarm indicator.

  • with high pressure abnormal alarm Indicator. 

  • Fan reversal to prevent secondary pollution.

  • spray point assembly and the front air window can be disassembled flexibly, convenient for cleaning, maintenance and replacement 

Test conditions

Working voltage: DC24V.   Testing voltage: ±1000V - ±100V.    Temperature: 23℃±2℃

DistanceDecay time (+/-)Ion balance(+/-)Remark
300mm1.0s/-1.5s 0±10V

1.Testing method: Using charged plate monitor to test.

2.Decay time tested with the maximum air volume and voltage from ±1000V to ±100V.

3.Test in the central area of the front air window. 


Structural highlights

Auto clean.png


21.pngIonizer air blower display.jpg
01  Front window

The front window can be flexibly disassembled, then automatically power off.Built-in automatic cleaning discharge needle structure, maintenance-free.

The brush made of special materials make cleaning more thorough.

02  Discharge needle

Tungsten alloy discharge needle with 99.99% tungsten content. Each needle produces both positive and negative ions, enabling excellent electronic balance.

06 Operation panel and function setting buttons

Adjustable fan air speed with seven levels- F-01~F-07

Adjustable cleaning time setting from 0 hour to 999 hours- H000~H999

Fan normal/abnormal operating condition

HV normal/abnormal  working condition

Lock/unlock function of the whole machine


07 USB interface

08 DC24V power port

09 Grounding port

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