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     Transmission Cell Probe

Transmission Cell Probe

StellarNet Inc. offers a low-cost, rugged, high-throughput transmission cell that is ideal for use in an industrial process environment. It is capable of operating at temperatures from -50°C to 300°C and at pressures up to 3000 psi. This outstanding performance is achieved by using Kalrez® O-ring seals. The transmission cell is available in fixed path lengths from 1 to 1000 mm. The optical fiber is 400-micron core fused silica and is clad in stainless steel armor. If needed, the armor can be sealed with Teflon® to provide a barrier to the environment. A four-inch extension tube added to each end of the probe provides protection against fiber shear. The transmission cell is available in both UV and NIR versions, as dictated by the customer's application needs.  

TECHNOLOGICAL INNOVATIONS  The transmission cell operates at high temperatures without the need for bulky heat dissipation fins, or additional cooling systems. This is accomplished by making all parts of the cell, including the first meter of optical fibers connected to the cell, capable of withstanding 300°C temperatures indefinitely. The collimating lens is held in the stainless steel housing with Kalrez® O-rings. All wetted surfaces are silica, stainless steel or Kalrez®. For more demanding applications, the optical surfaces may be over coated with diamond-like carbon film. *  This film improves corrosion resistance and reduces fouling.  

*Visible and NIR use only. 

 

SPECIFICATIONS

Pathlength Range 1mm to 1000mm
Lens/Window Material Fused Silica *###
Numerical Aperture  0.32 NA
Efficiency >50% at 500nm**
Fiber Optic Termination SMA 905 
Fiber Optic Type 400/440 Silica on Silica*^
Fiber Optic Cable Type Armored Duplex ##
Fiber Optic Length 3 meters to 200 meters
 
PHYSICAL
Body Materials 316 SS*** 
Body Length # 2.5" + Pathlength
Diameter 0.5"
Seal Type Double o-ring
Seal Material Kalrez®***
Temperature Range -50º to 300º C 
Maximum Pressure 3000 psi 
 
* Specify UV or NIR grade Fused Silica - UV grade 200nm to 900nm - NIR grade 350nm to 2200nm. ** Efficiency measured relative to direct fiber connection between light source and detector using 400 micron core fiber optic.
*** Other materials available upon request - allow 8 weeks for delivery of special materials. # Four-inch probe extension tube standard - other lengths up to 1 meter available.
## Optional Teflon® seal available for armor. ### Optional diamond-like carbon coating available.
^ Other fiber sizes available upon request.
  Kalrez and Viton are registered trademarks of DuPont Dow Elastomers
Teflon isa registered trademark of DuPont
   
         
 

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