PVS-31 Binocular Night Vision Device(BNVD) housing kit with lenses

Overview

PVS31 is a high performance binocular night vision device. It is featured by high resolution optics, compact housing and ultra light weight. It can be installed with Gen2+ multi-alkali cathode or Gen3 gallium arsenide cathode intensifier tubes. The system image resolution can be as high as 72 lp/mm, and FOM as high as 3000, depending on tubes installed. Unlike similar legacy systems, the PVS31 lenses are designed with quick disassembly features. This innovation allows users to field-stripe the lenses and tubes for maintenance and trouble shooting. With optimized structure and patented material, the system weight is below 450g (w/ tubes and w/o battery). With the high image quality, ultra low weight and robust structure, the PVS31 allow its users to train and operate under complex scenarios and harsh conditions. It is especially helpful in improving situation awareness and combat effectiveness of special force units.

How to Operate

1)Flip Up Power Off When the device is installed on a helmet or head mount, it will automatically turn off after it is completely flipped up over head. When the device is flipped down, it will automatically turn on. It will only turn off when it the flipping angle is greater than the predefined threshold, therefore, raising head will not turn off the device.

2)Dormancy The gravity sensor checks its posture all the time. If the device stay still for more than 100 seconds , it will automatically go dormant to save power and protect the tube from long-time burning damage until the device is waken up by new movements.

3)IR flood light After powering on, press the power button twice, the red LED on the right pod will flash twice, and the red LED on the left pod will keep shining. At the same time, the IR flood light will be turned on. Press the power button twice again, the IR flood light will be turned off and the indicator light in the pods will to turned off too.

4)Manual Gain Control After correctly installing different 37mm manual gain tubes (i.e. Photonis and NNVT three-pin tubes, US MX-11769 tubes and tubes with flying wires) according to our tube installation manual, the user can rotate the power switch clockwise and anti-clockwise to manually control the intensifier’s gain features.

Specification

Shell Material: Matte black, corrosion-resistant, fibre reinforced nylon material

Weight: ≤450g

Dimensions:≤105*120*87mm（L*W*H）

Mount:Wilcox standard Dovetail

Image Intensifier Tube:Gen2+/Gen3 18mm MX10160/MX11769 tube (P20 Green/ P43 Green/P45 White)

Diopter:Replaceable diopter lenses

FOV:40°± 2°

Focus Length: 30cm to infinity

Magnification: 1.0x

Waterproof:IP67 (IP68 upgrade is available on user’s demand)

Pivot Angle of Pods:≥130°

Environmental Adaptation: Working temperature: -40℃ ~60℃; Storage temperature: -55℃ ~70℃

Battery Life: Single AA≥15 Hours, or External Battery Pack≥50 Hours (normal temperatures) Universal Strobe Battery Pack: Fischer cable, 4 AA batteries

Smart Functions: Automatic sleep and wake-up Automatic flip-up power-off and flip-down power-on Personalizing default brightness of manual gain tubes Fast cancellation of function settings

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