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Product Description:
DT-NH81XD is a new product based on the latest optoelectronics technology. It uses high-performance second-generation/third-generation image intensifier. It has the characteristics of excellent performance, small size, light weight, clear imaging, simple operation and high performance-price ratio. The magnification can be changed by replacing the objective lens (or connecting the multiplier lens). The product can be connected with digital cameras, cameras and video cameras.
MODEL | DT-NH821D | DT-NH831D |
IIT | Gen2+ | Gen 3 |
Magnification | 1X | 1X |
Resolution | 45-57 | 51-63 |
Photocathode type | S25 | GaAs |
S/N(db) | 15-21 | 18-25 |
Luminous sensitivity(μa-lm) | 450-500 | 500-700 |
MTTF（hrs） | 10,000 | 10,000 |
FOV(deg) | 42+/-3 | 42+/-3 |
Detection distance(m) | 180-220 | 250-300 |
Diopter (deg) | +5/-5 | +5/-5 |
Lens system | F1.2, 25mm | F1.2, 25mm |
Coating | Multilayer broadband coating | Multilayer broadband coating |
Range of focus | 0.25--∞ | 0.25--∞ |
Auto anti strong light | High sensitivity broadband detection | High sensitivity broadband detection |
rollover detection | Solid non-contact automatic detection | Solid non-contact automatic detection |
Dimensions | 115x183x54 | 115x183x54 |
Material | Aviation aluminum | Aviation aluminum |
Weight（no battery） | 605 | 605 |
Power supply | 2.6-4.2V | 2.6-4.2V |
Battery type | AA(2) | AA(2) |
Battery life（H） | 80(W/O IR) 40(W/IR) | 80(W/O IR) 40(W/IR) |
Operating Temperature（℃） | -40/+50 | -40/+50 |
Relative humility | 5%-98% | 5%-98% |
Environment rating | IP65（IP67 optional） | IP65（IP67 optional） |
Product Description:
DT-NH81XD is a new product based on the latest optoelectronics technology. It uses high-performance second-generation/third-generation image intensifier. It has the characteristics of excellent performance, small size, light weight, clear imaging, simple operation and high performance-price ratio. The magnification can be changed by replacing the objective lens (or connecting the multiplier lens). The product can be connected with digital cameras, cameras and video cameras.
MODEL | DT-NH821D | DT-NH831D |
IIT | Gen2+ | Gen 3 |
Magnification | 1X | 1X |
Resolution | 45-57 | 51-63 |
Photocathode type | S25 | GaAs |
S/N(db) | 15-21 | 18-25 |
Luminous sensitivity(μa-lm) | 450-500 | 500-700 |
MTTF（hrs） | 10,000 | 10,000 |
FOV(deg) | 42+/-3 | 42+/-3 |
Detection distance(m) | 180-220 | 250-300 |
Diopter (deg) | +5/-5 | +5/-5 |
Lens system | F1.2, 25mm | F1.2, 25mm |
Coating | Multilayer broadband coating | Multilayer broadband coating |
Range of focus | 0.25--∞ | 0.25--∞ |
Auto anti strong light | High sensitivity broadband detection | High sensitivity broadband detection |
rollover detection | Solid non-contact automatic detection | Solid non-contact automatic detection |
Dimensions | 115x183x54 | 115x183x54 |
Material | Aviation aluminum | Aviation aluminum |
Weight（no battery） | 605 | 605 |
Power supply | 2.6-4.2V | 2.6-4.2V |
Battery type | AA(2) | AA(2) |
Battery life（H） | 80(W/O IR) 40(W/IR) | 80(W/O IR) 40(W/IR) |
Operating Temperature（℃） | -40/+50 | -40/+50 |
Relative humility | 5%-98% | 5%-98% |
Environment rating | IP65（IP67 optional） | IP65（IP67 optional） |
