FAQ Library

Welcome to our FAQ Library. Select the product family you are interested in by using the links on the left.

More information on all of our products can be found in the products section of this web site. Registered site users can also view our CAD files, installation and maintenance sheets and application database.

If you cannot find an answer to your question, or if you need more help with your application, please contact an Application Engineer at 800-903-9247 (513-671-3322 outside the U.S. and Canada).

What kind of maintenance is necessary for an Ionizing Bar?

A soft bristle brush (a toothbrush works well) should be used to clean the emitter points and channel to remove any particulate. Do not use anything that will bend or dull the emitter points. Do not use any soaps or liquid cleaners that will leave a conductive residue. They can destroy the effectiveness and lifespan. A simple cleaning operation added to your planned maintenance schedule can eliminate potential performance problems. The frequency of cleaning required will depend upon the environment in which the ionizer is installed. Dirty industrial applications may require daily cleaning while clean-room applications may require only monthly cleaning. It is important to evaluate the cleaning needs of each individual ionizer installation.

Never clean an ionizer with the power on!

We removed the static charge with your ionizer, but it keeps coming back. Why?

The ionizer showers the product’s surface with positive and negative ions so the charge is completely eliminated. If that part or material experiences friction where it rubs against another surface, a new charge can be induced.

Can I duct the ionized air from your static eliminators?

EXAIR Corporation does not recommend ducting its ionization products due to the air turbulence created by the ducting and the recombination of the ions. Ducted EXAIR ionizers have been successful in applications where diminished performance was acceptable.

What does your Static Meter tell me?

Model 7905 Static Meter will indicate surface voltage and polarity up to ±20 kV at a spacing of one inch with an accuracy of 10% full scale. The Static Meter will help pinpoint the location of the static trouble spots in your application.

How many amps does your power supply draw?

Models 7960 & 7961 - In 115 VAC mode consume 0.2 Amps, in 230 VAC mode consume 0.1 Amps.
Models 7901 & 7940 (115 VAC) consume 0.2 Amps.
Models 7907 & 7941 (230 VAC) consume 0.1 Amps.

Why won't your static eliminators demagnetize my metal parts?

Static Eliminators are not designed to de-magnetize objects. Magnetic attraction and static attraction are two different phenomena that have nothing to do with each other. EXAIR Static Eliminators work to reduce static charges by providing positive and negative ions to the surface of a material to bring the total static charge back to neutral. Magnetic attraction is caused by lines of force created by the alignment of atoms in magnetized material.

Which static eliminator should I use?

Static Eliminators with air are ideal for hard to reach places or obstructed surfaces, products moving at high speeds, and surfaces with an extremely high charge. Air assisted ionizers include the Super Ion Air Knife, Standard Ion Air Knife, Super Ion Air Wipe, Ion Air Cannon, Ion Air Gun and the Ion Air Jet.

Static Eliminators without air fit situations where even the smallest amount of airflow can disturb the product, or space is extremely limited. The static eliminator must be mounted within two inches from the charged surface. Ionizers without air include the Ionizing Bar and Ionizing Point.

Please contact an Application Engineer for a recommendation for your application.

Where should I position your ionizer in my process?

Usually, the most effective place to install an ionizer is going to be shortly before the area of the process where the static field is creating problems (tearing, jamming, discharge to personnel, etc.)  Sometimes multiple ionizers on a single process may be necessary due to static regeneration in the process. If the application is cleaning, the ionizer should be positioned shortly before packaging or finishing operations.

A Static Meter (Model 7905) is also available from EXAIR to determine the places in a process where the static generation is occurring. The Static Meter measures the polarity and magnitude of a given static field.

What lengths do you offer for your Super Ion Air Knife and Standard Ion Air Knife?

We offer one-piece lengths from 3" to 108" for our Super Ion Air Knife and 3" to 48" lengths for our Standard Ion Air Knife. Custom lengths are also available - contact an Application Engineer for assistance.

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