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1-5

1.2. DESCRIPTION AND DATA

1.2.1. DESCRIPTION

A. Purpose.

The PS-27 is an effective night vision system that

mounts forward of an existing riflescope/spotting scope (fur-

ther referred to as a scope) adding night vision capabilities

to daytime target acquisition platform. Advisable dayscope

magnification is 1X to 12X (2.5X to 8X is optimum). The sight is

installed and removed without affecting boresight (permanent

boresight alignment).

NOTE

The PS-27 can be installed also forward of viewfinders of vari-

ous instruments to widen operating illumination range.

B. Principle of Operation.

The PS-27 operation is based on the

principle of electron-optical intensification of light. The input

fast catadioptric lens collects available ambient light from

sources such as the moon, stars and skyglow and focuses it

on the image intensifier tube photocathode. The tube amplifies

the light and produces the viewable image projected by the

output lens from the tube screen into the dayscope lens. Thus

the sight provides the capability for operator to see through the

scope at night.

C. Features and Limitations.

The PS-27 has the following im-

portant features:
• Available with different generation image intensifier tube.
• Powered by a single alkaline AA or 123A lithium battery.
• Adjusts for lens focus.
• Equipped with manual gain control (MGC version of the

sight) for the best possible image contrast under high and

low light conditions.

• Is mounted on MIL-STD-1913 rail or dayscope lens.
• Battery life check system.
• Equipped with remote control.

Содержание PS-27

Страница 1: ...Department of Commerce It is unlawful and strictly prohibited to export or attempt to export or otherwise transfer or sell any hardware or technical data or furnish any service to any foreign person...

Страница 2: ...l furnished for information use only is subject to change without notice is not to be construed as a commitment by ATN Corp ATN Corp assumes no responsibility or liability for any errors or inaccura c...

Страница 3: ...ontaminate the glass surfaces use only clean and soft materials to clean it Protect the unit from excessive lighting Do not turn the sight on in daylight with the Front Lens Cap off Do not point the s...

Страница 4: ...ight etc to operate The level of equipment performance depends upon the level of light Night light reduces by passing through the clouds while op erating under trees at building shadows etc The equipm...

Страница 5: ...ocedures 2 2 2 1 1 Battery Installation 2 2 2 1 2 Installation on MIL STD 1913 RAIL 2 3 2 1 3 Installation on dayscope objective lens 2 4 2 2 Operating Procedures 2 7 2 2 1 General 2 7 2 2 2 Controls...

Страница 6: ...intenance Checks and Services PMCS 4 2 4 1 1 Purpose of PMCS 4 2 4 1 2 Frequency of performing PMCS 4 2 4 2 Troubleshooting 4 8 4 2 1 General 4 8 4 2 2 Troubleshooting Procedures 4 8 4 3 Maintenance P...

Страница 7: ...1 1 SECTION I introduction...

Страница 8: ...an Mateo Avenue South San Francisco CA 94080 800 910 2862 650 989 5100 650 875 0129 fax www atncorp com info atncorp com 1 1 3 Storage Storage of the PS 27 should be done in the factory packing and af...

Страница 9: ...environmental conditions speci fied by the manufacturer CUSTOMER IS HEREBY NOTIFIED THAT OP ERATION OF THE EQUIPMENT DURING DAYLIGHT HOURS OR UNDER ANY EXCESSIVE LIGHT CONDITIONS MAY PERMANENTLY DAMAG...

Страница 10: ...ise Authorization number RMA When returning please take or send the product postage paid with a copy of your sales receipt to our service center ATN Corporation at the address noted above All merchand...

Страница 11: ...ion of light The input fast catadioptric lens collects available ambient light from sources such as the moon stars and skyglow and focuses it on the image intensifier tube photocathode The tube amplif...

Страница 12: ...ight is less effective viewing through rain fog sleet snow smoke Under starlight conditions low contrast environments such as snowcovered territory sandy deserts large bodies of water or grassy hills...

Страница 13: ...pressor and Battery 0 91 kg Height of the Sight Axis above Arm Rail with Quick Release Mount with Weaver Mount with A R M S 19 ACOG Mount 41 3 mm 40 mm 49 mm Table 1 3 Electrical Data ITEM DATA Batter...

Страница 14: ...cus Range 10 m to infinity Field of View 12 Output Lens Exit Pupil Diameter 40 mm Table 1 5 Environmental Data ITEM DATA Operating Temperature 20 to 50 C Storage Temperature 50 to 50 C Humidity 95 25...

Страница 15: ...Table 1 6 Figure 1 1 PS 27 Standard Components Table 1 6 PS 27 Standard Components ITEM DESCRIPTION QTY 1 ATN PS 27 1 2 Objective Lens Cap 1 3 Output Lens Cap 1 4 Light Suppressor 1 5 Remote Control...

Страница 16: ...7 PS 27 Optional Equipment ITEM DESCRIPTION PART CODE 1 Adapter for A R M S Mounts COWSPSAM 2 Weaver Mount ACDNPS40MWVR 3 Scope Mounting System 1 4 Scope Mounting System 2 5 Platform Ring ACWSRTRA 6 L...

Страница 17: ...2 1 SECTION II operating instructions...

Страница 18: ...ording to the battery to be installed B Unscrew the battery compartment cap and check the insert position C Using furnished wrench change the insert position in the cap if necessary D Install the batt...

Страница 19: ...e the height of the riflescope axis above the rail Observe table 1 2 for the sight axis height above the rail If the difference in the axis heights of the PS 27 and riflescope is more than 3 mm it is...

Страница 20: ...ick release mount may be adjusted to eliminate ex cessive play when mounted on the rail by using the provided wrench see figure 1 1 to increase decrease the cam latch nut see figure 2 4 Figure 2 4 Qui...

Страница 21: ...Leupold 3 5 10x40 riflescope NOTE Optical axes of the PS 27 and the riflescope should be matched Difference of the axes position more than 3 mm is not recom mended Table 2 1 Scope Mounting Systems SC...

Страница 22: ...f the mounting system where the quick release miount was above the battery compartment of the sight D Apply a small amount of thread locker on threads install two screws M4x8 and tighten it E Loosen t...

Страница 23: ...on of controls is explained CAUTION The PS 27 is a precision electro optical instrument and must be handled carefully at all times 2 2 2 Controls and Indicators Figure 2 6 PS 27 Controls and Indicator...

Страница 24: ...ge contrast LED Indicator Green glow indicates high light conditions After 10 seconds the image intensifier will be cut off Permanent red glow indicates normal battery Flashing red light indicates low...

Страница 25: ...knob MGC version of the sight to achieve the best possible image contrast G If the riflescope has focusing rings parallax adjustment knob adjust focus for parallax free image H If the scope has reticl...

Страница 26: ...procedure take off the rubber cap from remote switch connector and put it onto the light sensor see Figure 2 6 CAUTION Do not forget to open the light sensor and put the cap back onto the connector af...

Страница 27: ...Put the Weaver mount onto the lug on the sight body The nuts of the mount have to be placed on the same side as the switch knob Apply a small amount of thread locker on threads install two screws M4x8...

Страница 28: ...body The adapter should not protrude out beyond the back of the sight body Apply a small amount of thread locker on threads install two screws M4x8 and tighten it D Place the A R M S mount onto the si...

Страница 29: ...dayscope as follows A Unscrew the two screws securing top and bottom halves of the platform ring B If the diameter of your scope tube is 30 mm remove plastic inserts C Place the top and lower parts o...

Страница 30: ...B4 The IR illuminator control buttons are located on its side To switch the Digital IR illuminator on off press and but tons simultaneously When the IR illuminator is switched on you can see the green...

Страница 31: ...3 1 SECTION III OPERATIONAL DEFECTS...

Страница 32: ...er mittent operation 3 1 1 Shading If shading is persistent you will not see a fully circular image Figure 3 1 Shading is very dark and you cannot see an image through it Shading always begins on the...

Страница 33: ...image may appear to flicker or flash If there is more than one flicker check for loose battery adapter or weak battery Contact ATN or point of purchase for warranty repair procedures 3 1 4 Cosmetic B...

Страница 34: ...are ac ceptable if they do not interfere with the ability to view the outside scene B Emission Points A steady or fluctuating pinpoint of bright light in the image area and does not go away when all l...

Страница 35: ...y of the device D Fixed Pattern Noise This is usually a cosmetic blemish characterized by a faint hexag onal honeycomb pattern throughout the viewing area that most often occurs at high light levels o...

Страница 36: ...area See Fig ure 5 5 Under the worst case condition these lines will form hexagonal or square wave shaped lines This is typically viewed in high light conditions No action is required if this conditio...

Страница 37: ...4 1 SECTION IV maintenance instructions...

Страница 38: ...hen the sight is in use B When it is removed from the case for any reason Table 4 1 Preventive Maintenance Checks and Services SEQ NO ITEM TO CHECK CHECKING PROCEDURE NOT FULLY MISSION CAPABLE IF BEFO...

Страница 39: ...ive Knob missing 7 Lenses Inspect for cleanli ness scratches chips or cracks Clean as required Chipped cracked or if scratches hin der vision through the sight 8 Objective Lens Check to ensure the obj...

Страница 40: ...cts ability to connect the re mote control to the sight 11 Light Sup pressor Inspect for cuts tears Check ease of installa tion and removal Suppressor torn or cut 12 Quick Release Mount Check for dama...

Страница 41: ...bjective lens cap on observable image has a form of two overlapping zones It is not a defect 15 Function Switch Insert battery Remove output lens cap Turn the switch to the BATTERY position Look for r...

Страница 42: ...Look for green glow in out put lens Release the key Turn the switch to OFF position Green glow absent 17 Viewed Image Check for flickering flashing bright spots edge glow shading excessive fixed patte...

Страница 43: ...4 7 Figure 4 1 Focusing Assembly Threaded Ring Driving Ring Locking Ring M3x6 Screw M2 5x4 Screw...

Страница 44: ...ctions and corrective actions If a malfunction is not listed except when malfunction and cause are obvious or is not corrected by listed corrective actions contact to the service center 4 2 2 Troubles...

Страница 45: ...wrench tighten M3x6 screw which secures driving ring on threaded ring 2 Point the sight to an object situ ated at a distance more than 100 m from you Rotate focus ring to achieve sharp image of the ob...

Страница 46: ...a turn 2 Tighten the locking ring and fix it with the screws 3 Rotate focus ring slightly clock wise coun terclockwise Repeat the steps 1 3 three times 4 Remove the screws M2 5x4 apply a small amount...

Страница 47: ...y using only a clean soft cloth 2 Moisten the cloth with fresh water and gently wipe the exter nal surfaces except glass surfaces 3 Dry any wet surfaces except lenses with another dry and clean soft c...

Страница 48: ...with each contract individually Table A 1 ATN PS 27 spare parts list PART NO DESCRIPTION FIG ITEM AT 146552 800 PS 27 Night Vision Front Sight A1 AT 146552 801 Objective Lens Cap A1 1 AT 146552 802 Fr...

Страница 49: ...R M S mount A3 1 AT 146553 702 7 8 Weaver Mount A3 2 AT 146533 702 Platform Ring A3 3 AT 146533 741 Long Rail Adapter A3 4 AT 146553 703 B A M system A3 5 AT 146533 555 IR Illuminator IR450 A3 6 AT 1...

Страница 50: ...A 3 4 3 5 Figure A 2 Accessories 1 From the Kit Figure A 3 Accessories 2 Optional 1 1 2 2 3 4 7 8 5 6...

Страница 51: ...termine your daytime scope objective tube diameter exter nal not diameter of the glass lens with a metric ruler with a trammel for more accurate results as shown in figure B 1 2 Select from the Table...

Страница 52: ...ponding repre sentative illumination values are presented in Table C 1 Table C 1 Standard Natural Light Conditions and Illumination Values STANDARD NATURAL LIGHT CONDITIONS ILLUMINATION VALUE LUX Quar...

Страница 53: ...INFO 1 For Technical Information ATN Corp 1341 San Mateo Avenue South San Francisco CA 94080 800 910 2862 650 989 5100 tel 650 875 0129 fax www atncorp com info atncorp com...

Страница 54: ...INFO 2...

Страница 55: ...INFO 3...

Страница 56: ...echnical support please contact American Technologies Network Corp North American Office 1341 San Mateo Avenue South San Francisco CA 94080 phone 800 910 2862 650 989 5100 fax 650 875 0129 www atncorp...

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