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Products / Static Control Equipments / Ionizing Blowers / Desco Mini Zero Volt Ionizer
EDesco Bench Top Ionizer

Desco Mini Zero Volt Ionizer

Model : 50661

  • Ultra compact size - 5.25"H x 3.5"W x 1.7"D
  • Low offset voltage with feedback alarms
  • Two fan speeds, high and low
  • Low Ozone Emissions – tests well below the OSHA limit of 0.05 ppm ozone
  • Adapter is 100-240 VAC
  • Rapid Access Maintenance
  • Utilizes steady state DC ionization with Desco Emit's patented (US Patent #4,974,115) Sense Feedback Control
  • Visual and audible power and alarm indicators
  • 1 year limited warranty( Refer to Desco website for more
  • Made in America
  • Overview

This mino zero volt ionizer is a ultra-compact and lightweight dual steady state DC auto-balancing benchtop ionizer. It is small enough to be installed into any area needing to be neutralized. It may also be wall or shelf mounted. The ionizer's neutralization time will be best approximately 12" to 36" directly in front of the unit and will increase as the distance from the unit increases.


Set the fan speed switch on the side of the unit to the LOW or HIGH position. Higher airflow will result in faster neutralization rates. Position the unit so that the maximum airflow is directed at the items or area to be neutralized. The LED will turn on during power up and remain GREEN during normal operation.

Balance Adjustment

The 50661/50640 balance adjustment can be accomplished by inserting a small screwdriver or trimmer adjustment tool into the balance adjustment hole located on the side of the unit. To increase the output in a positive direction, turn the potentiometer in a clockwise direction. Conversely, to increase the output in a negative direction, turn the potentiometer in a counter clockwise direction. Always use a charge plate monitor when adjusting the balance of the

Maintenance / Alarms

Under normal conditions, the ionizer will attract dirt and dust (especially on the emitter electrodes). To maintain optimum neutralization efficiency and operation, cleaning should be performed on a regular basis.

If the performance of the ionizer were to degrade because of dirty or corroded points, the LED on the front of the unit will turn YELLOW; the audible alarm will sound continuously. Under this condition, the unit is not able to maintain balanced ionization.

NOTE: The input power cord MUST be disconnected before the unit is opened for maintenance. The emitter electrodes should be cleaned using the alcohol cleaners included or a swab wet with Isopropyl alcohol. Unscrew the 4 screws on the back of the unit and then remove the screen. After cleaning the emitter electrodes, reinstall the screen and 4 screws.

The emitter electrodes should not require replacement during the life of the unit with normal handling. Replacement emitter electrodes can be ordered if necessary.

Verify the balance of the unit with a charge plate monitor after cleaning.

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