New Arrival China Military Helmet Mounted Night Vision - Adjustable Night Vision Goggles Military Video Output and Eyepiece Distance – Detyl

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Our pursuit and enterprise aim would be to "Always fulfill our buyer requirements". We carry on to acquire and layout excellent quality items for the two our old and new clients and realize a win-win prospect for our shoppers in addition as us for Digital Night Vision Binoculars , Military Grade Head Mounted , Vision Housing Night Vision , Honesty is our principle, professional operation is our work, service is our goal, and customers' satisfaction is our future!

New Arrival China Military Helmet Mounted Night Vision - Adjustable Night Vision Goggles Military Video Output and Eyepiece Distance – Detyl Detail:

Technical Specifications:

MODEL	DT-NH921	DT-NH931
IIT	Gen2+	Gen3
Magnification	1X	1X
Resolution	45-57	51-57
Photocathode type	S25	GaAs
S/N(db)	15-21	18-25
Luminous sensitivity(μa-lm)	450-500	500-600
MTTF（hrs）	10,000	10,000
FOV(deg)	42+/-3	42+/-3
Detection distance(m)	180-220	250-300
Adjustable range of eye distance	65+/-5	65+/-5
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, Ultra Fast, Broadband Detection	High Sensitivity, Ultra Fast, Broadband Detection
rollover detection	Solid non-contact automatic detection	Solid non-contact automatic detection
Dimensions (mm) (without eye mask)	130x130x69	130x130x69
material	Aviation aluminum	Aviation aluminum
Weight (g)	393	393
Power supply (volt)	2.6-4.2V	2.6-4.2V
Battery type (V)	AA(2)	AA(2)
Wavelength of infrared auxiliary light source (nm)	850	850
Wavelength of red-explode lamp source (nm)	808	808
Video capture power supply (optional)	External power supply 5V 1W	External power supply 5V 1W
Video resolution (optional)	Video 1Vp-p SVGA	Video 1Vp-p SVGA
Battery life (hours)	80(W/O IR) 40(W/IR)	80(W/O IR) 40(W/IR)
Operating Temperature (C	-40/+50	-40/+50
Relative humidity	5%-98%	5%-98%
Environment rating	IP65（IP67 Optional）	IP65（IP67 Optional）

Left and right adjustment: Use your fingers to press the left and right adjustment buttons of the helmet pendant to slide the night vision components horizontally. When adjusted to the most suitable position, release the left and right adjustment buttons of the helmet pendant, and the night vision components will lock this Position, complete left and right horizontal adjustment. As shown in green in Figure ⑦.

Front and back adjustment: When you need to adjust the distance between the night vision goggles and the human eye, first turn the equipment locking knob of the helmet pendant counterclockwise, and then slide the night vision goggles back and forth. After adjusting to the proper position, turn the equipment clockwise to lock Turn the knob, lock the device, and complete the front and back adjustment, as shown in blue in Figure ⑦.

Common Questions:

1.No power
A. please checks whether the battery is loaded.
B. checks whether there is electricity in the battery.
C. confirms that the ambient light is not too strong.

2. Target Image is not clear.
A. check the eyepiece, whether the objective lens is dirty.
B. Check the lens cover open or not ?if at night time
C. confirm whether the eyepiece is properly adjusted (refer to eyepiece adjustment operation).
D. Confirm the focusing of the objective lens ,whether finished adjusted.r (referring objective lens focusing operation).
E. confirms whether infrared light is enabled when the environments all back.

3. Automatic detection not working
A. automatic mode, when glare automatic protection does not work. Please check if the environmental testing department is blocked.
B. flip, the night vision system does not automatically turn off or install on the helmet. When the system is in normal observation position, the system cannot start normally. Please check the position of the helmet mount is fixed with the product. (reference headwear installation).

Noted:

1. Anti-strong light
The night vision system is designed with automatic anti-glare device. It will automatically protect when encountering strong light. Although the strong light protection function can maximize the protection of the product from damage when exposed to strong light, but repeated strong light irradiation will also accumulate damage. So please do not put products in strong light environment for a long time or many times. So as not to cause permanent damage to the product.。

2. Moisture-proof
The night vision product design has waterproof function, its waterproof ability up to IP67 (optional), but long-term humid environment will also slowly erode the product, causing damage to the product. So please store the product in a dry environment.

3. Use and preservation
This product is a high precision photoelectric product. Please operate strictly according to the instructions. Please remove the battery when it is not used for a long time. Keep the product in a dry, ventilated and cool environment, and pay attention to shading, dust-proof and impact prevention.

4. Do not disassemble and repair the product during use or when it is damaged by improper use. Please
contact the distributor directly.

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We rely upon strategic thinking, constant modernisation in all segments, technological advances and of course upon our employees that directly participate in our success for New Arrival China Military Helmet Mounted Night Vision - Adjustable Night Vision Goggles Military Video Output and Eyepiece Distance – Detyl , The product will supply to all over the world, such as: Swedish, Serbia, Sydney, We believe that good business relationships will lead to mutual benefits and improvement for both parties. We have established long-term and successful cooperative relationships with many customers through their confidence in our customized services and integrity in doing business. We also enjoy a high reputation through our good performance. Better performance will be expected as our principle of integrity. Devotion and Steadiness will remain as ever.

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