North Night Vision Technology (NNVT): Difference between revisions

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=== NVT-4 ===
=== NVT-4 ===
[[File:JPNV NVT-4 Marketing Material.png|thumb|NVT-4 Marketing Material]]
[[File:JPNV NVT-4 Spec Marketing Material.png|thumb|JPNV NVT-4 Specifications Marketing Material]]
Introduced in 2006.
Introduced in 2006.
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{| class="wikitable"

Revision as of 17:06, 4 May 2023

North Night Vision Technology Co. Ltd. (NNVT) is a Chinese manufacturer of image intensifier tubes.

It is believed to manufacture image intensifiers using or at least based on production lines and technology purchased from Photonis.

Products

⚠ This section contains unverified information. You can help by adding references to it.

NVT-1

Gen. 1 image intensifiers introduced in the 1980s.

NVT-2

NNVTs first Gen. 2 image intensifiers introduced in the 1990s.

NVT-3

Introduced in 2006.

NVT-4

File:JPNV NVT-4 Marketing Material.png
NVT-4 Marketing Material
File:JPNV NVT-4 Spec Marketing Material.png
JPNV NVT-4 Specifications Marketing Material

Introduced in 2006.

Specifications[1]
Performance parameters Units of measurement Values
Resolution lp / mm 57+
Photocathode Sensitivity 28560 K, uA/lm 600+
800nm, mA/W 50+
850nm, mA/W 40+
Signal to Noise Ratio 22+
Luminous Gain @2x10-5 lx, cd/m2/lx 8K-12K
Phosphor P22/P43/P45

NVT-5

Introduced in 2018. Only the military grade version features autogating.

Specifications[2][3]
Performance parameters Units of measurement Values
Resolution lp/mm 64+
Photocathode Sensitivity 28560 K, uA/lm 700-900
800nm, mA/W 65+
850nm, mA/W 50+
Signal to Noise Ratio 25+
Luminous Gain @2x10-5 lx, cd/m2/lx 12K-25K
Phosphor P22/P43/P45

NVT-6

Introduced in 2018. Both the commercial and military grade features autogating.

Specifications[4][5]
Performance parameters Units of measurement Values
Resolution lp/mm 64+
High Light Resolution @ 200lx, lp/mm 48+
Photocathode Sensitivity 28560 K, uA/lm 850-1000
800nm, mA/W 80+
850nm, mA/W 60+
Signal to Noise Ratio 28+
EBI μlx 0.25-
Luminous Gain @2x10-5 lx, cd/m2/lx 12K+
Halo mm 0.7-1.0
Phosphor P22/P43/P45

NVT-7

Introduced in 2020. Both the commercial and military grade features autogating.

Specifications[6]
Performance parameters Units of measurement Values
Resolution lp/mm 71+
High Light Resolution @ 200lx, lp/mm 48+
Photocathode Sensitivity 28560 K, uA/lm 1000+
800nm, mA/W ?
850nm, mA/W ?
Signal to Noise Ratio 28+
EBI μlx 0.25-
Luminous Gain @2x10-5 lx, d/m2/lx 12K+
Halo mm 0.7-
Phosphor P43/P45

References

  1. ↑ https://www.junpinnightvision.com/product/18mm-super-gen-2-image-intensifier/
  2. ↑ https://www.junpinnightvision.com/product/nvt-5cg-commercial-grade-image-intensifier-tube-pvs-14-pvs-31-night-vision-tube/
  3. ↑ https://www.junpinnightvision.com/wp-content/uploads/2022/12/NVT-5-Military-Grade.pdf
  4. ↑ https://www.junpinnightvision.com/wp-content/uploads/2022/12/NVT-6-Military-Grade.pdf
  5. ↑ https://www.junpinnightvision.com/wp-content/uploads/2022/12/NVT-6-Commercial-Grade.pdf
  6. ↑ https://www.junpinnightvision.com/wp-content/uploads/2022/12/NVT-7-Military-Grade.pdf
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