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Main tube parameters 

Model 

NVS 7-2 XT 

NVS 7-3 XT 

Generation 

2+ 

IIT Model 

NCXT4322 

N3XT4322 

ITT Resolution, min 

57 lp/mm 

57 lp/mm 

 

Image Intensifier Type 
(Generation/Grade) 

2+  

XT 

3  

XT

 

Photocathode operating diameter, mm 

17.5 

Photocathode type

 

S-25  

GaAs 

Photocathode sensitivity:

 

 

 

 Integral

 

500 

A/ lm 

1,400 

A/ lm 

 Spectral 

at 

 = 850 nm

 

45 mA/W 

120 mA/W 

Light amplification 

>35,000 fl/fc

 

Image magnification 

1x 

Max dark background brightness

 

1

10 



 cd/m

2

 

Signal-to-noise ratio

 

18 20 

Current consumption, max 

 

20 mA 

25 mA 

Voltage 

 

2.8

0.8 V 

MTBF, hours 

10K 

10K 

Operating temperature range 

-50°C … +55°C 

Summary of Contents for NVS 7

Page 1: ...Operation Manual NIGHT VISION BINOCULARS GOGGLES NVS 7 NSN 5855 20 000 8284 105 Sparks Ave Toronto ON M2H 2S5 Canada...

Page 2: ...NEVER open the objective lens of an active unit in bright light including daylight In the daytime the objective lens must be covered by cap A tiny hole in the cap provides enough light for daytime tes...

Page 3: ...ional lens cleaning supplies Use only a soft clean cloth to clean the exterior of the device Keep the device away from sources of heat such as heating appliances sunlight or central heating Switch off...

Page 4: ...eristic 8 3 4 Field of view cleanness 8 4 UNIT DESIGN 9 5 OPERATION INSTRUCTIONS 10 5 1 Installing battery 10 5 2 Switching the unit on 10 5 3 Switching the unit off 11 5 4 Operating at night 11 5 5 A...

Page 5: ...t through eyepieces 16 6 2 Image is unclear 16 6 3 Image flashes 16 6 4 Condensation accumulates on the parts 16 6 5 Visibility decreased or disappeared 16 7 WARRANTY 17 8 CUSTOMER SUPPORT 18 9 ACCEPT...

Page 6: ...nit can be mounted on a helmet or headgear or used as night vision binoculars Some typical activities where NVS 7 can be useful Law enforcement Wildlife observation Security Search and rescue Hunting...

Page 7: ...4 Please read all the instructions carefully prior to using the unit Manufacturer reserves the right to introduce minor design changes without notice...

Page 8: ...ith 1x lens and headgear 1 In binocular configuration NVS 7 unit with 4x 5x or 8x lens 1 Lens cap 1 Neck strap 1 Soft case 1 Manual 1 AA battery 2 Optional accessories 3x afocal lens Hard case Lens cl...

Page 9: ...rpupillary distance 57 73 mm Focus range 1x 0 25 m Dioptric correction 5 Battery type 2 standard AA batteries Battery life Over 80 hours without IR over 30 hours with IR Low battery indicator IR ON in...

Page 10: ...thode operating diameter mm 17 5 Photocathode type S 25 GaAs Photocathode sensitivity Integral 500 A lm 1 400 A lm Spectral at 850 nm 45 mA W 120 mA W Light amplification 35 000 fl fc Image magnificat...

Page 11: ...haracteristic Frequency lines mm Contrast transfer coefficient XT 2 5 0 88 7 5 0 72 15 0 0 50 Field of view cleanness SPOTS DIAMETER ZONE 1 ZONE 2 ZONE 3 IN MICRONS 5 6MM 5 6 14 7MM 14 7 17 5MM 230 0...

Page 12: ...IT DESIGN 1 On Off IR switch 2 Mounting socket 3 Eyepiece adjustment ring 4 Eyepieces 5 Battery compartment cover 6 Objective lens cover 7 Objective lens 8 Tightening knob 9 Release button 1 8 7 9 3 4...

Page 13: ...attery compartment cover back Switching the unit on In daylight put on the lens cap prior to switching the unit on To check if the unit is operational switch it ON rotate switch 1 Fig 1 clockwise and...

Page 14: ...vice using switch 1 Fig 1 If lighting is insufficient turn on the IR illuminator by turning switch 1 Fig 1 The red indicator Fig 3 will go on IR illuminator is effective when observing an object locat...

Page 15: ...just all the straps to the head size When wearing the unit the eye relief the distance between your eyes and the eyepieces should be 15 22 mm In order to achieve this loosen the locking screw 8 Fig 1...

Page 16: ...ds are very fine to prevent humidity penetration and can be damaged easily Do not apply force to the lens rotation If lens does not screw in smoothly make sure that the threads match Unit is ready for...

Page 17: ...h straps The unit is fixed to the mount by a locking screw 1 Fig 7 To adjust the position of the unit to your eye level use the screw 4 Fig 7 To adjust the eye relief first loosen locking screw 1 Fig...

Page 18: ...table starting point Tighten the screws 3 Fig 7 after the adjustment You can raise the unit for unobstructed view without taking the helmet off To do so press and hold the button 2 Fig 7 and rotate th...

Page 19: ...exposed to bright light even with the lens cap on Condensation accumulates on the parts When the unit is brought from the cold into a warm environment internal condensation may appear The unit has to...

Page 20: ...e model the product or part thereof which on inspection by Newcon is found to be defective in materials or workmanship What This Warranty Does Not Cover NEWCON is not responsible for warranty service...

Page 21: ...ern Standard Time Under no circumstances should the equipment be sent to Newcon without authorisation from our technical support department Newcon accepts no responsibility for unauthorized returns To...

Page 22: ...ber _____________________ Minimum Measured Resolution lp mm 57 Photocathode sensitivity integral A lm 600 Gen 2 1600 Gen 3 Light amplification 35000 Date of production ________________________________...

Page 23: ...S 7 2 4x XT Unit serial number _________________________________ The unit complies with all technical specifications and has passed the inspection Date of production _________________________________...

Page 24: ...NEWCON OPTIK Printed in Canada R2 TI 3 11...

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