BNVD 1531, 2376+ FOM - Apollo Gear Co.
BNVD 1531, 2376+ FOM - Apollo Gear Co.

BNVD 1531, 2376+ FOM

Regular price$11,400.00
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 L3Harris | Minimum Specifications and Spots

Tubes with a model code UM (Unlimited FOM Military) and UA (Unlimited FOM Aviation) have differing tolerances for dark spots.
  • UM tubes limit spots that are >.003" to Zone 2 and 3. Spots that are >.003" are not permitted in Zone 1.
  • UA tubes limit spots that are >.003" to Zone 3. Spots >.003" are not permitted in Zone 1 or 2.
Dark spots </= .003" are permitted in both UM and UA tubes and are not countable in any Zone. Spots that are  </= .003"are colloquially referred to as peppering. Niether UM or UA tubes permit spots larger than .009".

 

Military Spec

Performance summary:

L3 Unfilmed White Phosphor | 18UM:

  • SNR: 24.1 minimum
  • FOM: 1540 minimum
  • Center Resolution: 64 lp/mm minimum

L3 Unfilmed White Phosphor | 1610 tubes (2376+ FOM models of PVS-31A, 1531):

  • SNR: 33 minimum
  • FOM: 2376 minimum
  • Center Resolution: 72 lp/mm minimum

Spot summary: 

No spots >.003" are allowable in Zone 1. Max spot size of .009". While spot sizes and quantities per zone are listed below, there's a max of 4 spots allowed per tube which are limited to Zone 2 and Zone 3. 

Spot Size Zone 1 Zone 2 Zone 3
(Inches) Limit Limit Limit
>.012 0 0 0
>.009 0 0 0
>.006-.009 0 1 1
>.003-.006 0 2 2
Bright Spots 0 0 0
Dark spots </= .003” are acceptable

 

 

Aviation Spec

Performance summary:

L3 Unfilmed White Phosphor | 20UA:

  • SNR: 28 minimum
  • FOM: 1792 minimum
  • Center Resolution: 64 lp/mm minimum

L3 Unfilmed White Phosphor | High FOM, 36 SNR min:

  • SNR: 36 minimum
  • FOM: 2304 minimum
  • Center Resolution: 64 lp/mm minimum
  • Exceeds 24UA
Spot summary: No spots that are >.003" are allowable in Zone 1 or Zone 2. Max of 3 spots >.003" per tube which are limited to Zone 3.

 

Spot Size Zone 1 Zone 2 Zone 3
(Inches) Limit Limit Limit
>.012 0 0 0
>.009 0 0 0
>.006-.009 0 0 1
>.003-.006 0 0 2
Bright Spots 0 0 0
Dark spots </= .003” are acceptable

 

A final note-

As manufacturing capability has improved and technology has continued to advance, many tubes now well exceed their model minimums for FOM, SNR, and Center Resolution. While spots are a normal by-product of the intensifier tube manufacturing process, they are becoming smaller and less frequent.

Model minimums only define the minimum performance threshold that a tube must meet (UM and UA tubes have no defined maximum). As a result, it is possible for a 18UM tube to exceed the performance of a 20UA tube (or 24UA) both for FOM and cosmetics.

    What is ITAR?

    International Traffic in Arms Regulations (ITAR) is a United States regulation that controls the manufacture, sale, and distribution of defense related articles and services, and data. The ITAR covers a variety of items on the United States Munitions List beyond night vision (e.g. ballistic / missile targeting systems, etc) and serves to protect military related technologies and protect U.S. national security.

    Violating ITAR is a serious crime that caries penalties that include fines & imprisonment. Night vision devices utilize protected technology that provide a unique overmatch advantage in night time operations. We ask that our customers help us safeguard this technology.  

    Our products are only available for sale to US citizens and permanent legal residents located in the U.S. We will only ship within the U.S.

     

    Can I travel outside of the country with my night vision device?

    Generally speaking, no. Transferring a device out of the country (whether shipping it or traveling with it) is considering an export of defense technology on the US Munitions List and is illegal under the ITAR without a license. 

    For further information, contact the Directorate of Defense Trade Controls @ (202) 663-1282 and / or the U.S. Department of Commerce.

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      These units carry a lead time. Delivery estimate is November.

      2376 FOM Minimum. Includes: Remote Battery Pack, Remote Power Cable

      The L3Harris BNVD-1531 combines the most-desired features from the rugged PVS-15 with the lightweight PVS-31A which is currently fielded by many SF units, to deliver additional capability to the end user in a small, lightweight package.

      The 1531 is the result of L3Harris' focus on product improvements in the areas of size, weight, and performance. The 1531 offers a lightweight, ergonomic design similar to the PVS-31A but with significant weight reduction over the PVS-15.

      It also incorporates features such as: adjustable diopters (diopters on the PVS-31A are fixed), manual gain adjustment, inter-pupillary distance (IPD) stops, an integrated infrared illuminator, and use of an optional external battery pack (included).

       FEATURES 

      • Includes Gen III I2 tubes with auto-gated technology to prevent damage in high-light environments.
      • High-performance white phosphor image with enhanced degree of detail in overall contrast and range of shades while providing the operator with more visual information for accurate assessment and acquisition.
      • Manual system gain and focus adjustments for custom image quality optimization.
      • Lightweight ergonomic design reduces head-borne weight and decreases neck strain.
      • Adjustable diopter eyepieces allows use by operators with differing visual acuity.
      • Integrated infrared illuminator for map reading.
      • Rotating binocular design allows low profile against helmet when in stowed position and the option to use as a single monocular.
      • Works with currently fielded dovetail helmet mounts.
      • Auto OFF when stowed; resumes power when deployed.
      • LED indicators in left and right monocular alert the operator when the BNVD has no less than 10 minutes of battery life remaining.
      • Replaceable/upgradeable I2 tube assemblies.

      1 year factory warranty from L3Harris. Units will be serviced by L3Harris after the warranty period has ended, though may incur a fee.


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