ARL Tungsten Filaments


AR-ARLE/.004-R, AR-ARLE/.005-R, AR-ARLE/.006

Weight 1 lbs
Dimensions 10 × 10 × 4 in
Wire Thickness

.004" Wire, .005" Wire, .006" Wire

SKU: ARL Filaments Category:


Please Note if Purchasing Rebuild Option:
Order will not be started until customers’ rebuild bases are received in house.

Please mail your Filament Rebuild Base to:

Energy Beam Sciences
29b Kripes Road
East Granby CT, 06035

You will be notified once the filament base has been received. Estimated lead time for refurbished filaments is roughly two to four weeks from time bases received. If you have any questions please call 800-992-9037. Thank you!

Energy Beam Sciences only offers refurbishing services for the ARL filaments.

ARL Filaments are refurbished only with Energy Beam Sciences AR Loop which provides superior performance under the most demanding applications. Please call our e-Beam product specialist to discuss which filament type best suits your application.

Type AR

The Energy Beam Sciences exclusive AR tip represents the state of art in filament technology. This special loop was developed for applications which demand the ultimate in mechanical stability and operating life. It is particularly recommended for use in multi-user environments and teaching laboratories. It’s etched taper loop configuration and unique tip geometry enhances contrast and brightness, even at low kV. We can provide the AR loop mounted on most filament bases. Whatever your application, you should see enhanced performance with the AR loop, when compared with the standard loop filament supplied by the EM equipment manufacturer.

Filament refurbishing services include:

  • Incoming bases are 100% inspected
  • Remove existing tungsten loop.
  • Grind welds from post.
  • Thoroughly clean and reconditioning all base components.
  • Form new Tungsten loop and weld to posts.
  • Center filament loop on a profile projector.
  • Vacuum annealing.
  • Preform final inspection using microscope and profile projector.