| After-sales Service: | Free Firmware Support |
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| Warranty: | 5 Year Limited Warranty |
| Application: | Entertainment |
| Style: | Head-mounted |
| Structure: | Binocular |
| Kind: | Image Intensifier Night Vision |
| Samples: |
Sample come without battery but in durable case
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| Customization: |
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Suppliers with verified business licenses
Audited Supplier Home Page Website: https://erains.en.made-in-china.com
The most advanced automatic gain brightness control Gen2+ / Gen3 Image Intensifier Tubes Multi-Purpose Hand Held & Helmet Mountable Night Vision Binocular
Model NO.: ES-PVS31C
Perfect for spotting wildline, night hunting, camping, hiking, boating, fishing, surveillance, security monitoring activities andeven MIL application!
The detailed views from different angles of this ES-PVS31C Night Vision Binocular:
Advanced MIL-STD Night Vision Binocular Detailed Technical Description:
Image intensifier tube: Optional 18mm Gen2/XR5/Gen3 (green / black -white)
Resolution: 64 LP (minimum)
A. Product Description:
The body shell of the product is durable and self-contained and can be used in hand-held or hands-free mode or in helmet. Depending on a single AA battery power supply, it can run normally for more than 2 hours at 60±2ºC, and also can run steadily at the temp range between -40±2ºC, it can run for more than 20 hours at 10 ºC, or it can be connected to an external battery box to provide more than 50 hours of operation time (the battery box needs to be purchased separately).
Image gain adjustment: Automatic adjustment according to the environment.
Turn up automatic shutdown function: the product can automatically set the low power consumption according to the environment. When turning up to the helmet, the product will turn off automatically. When turning down the helmet, the product will turn on automatically. This function can be turned off when used by hand.
B. Model Explanation:
The 1st 2 letters "ES": the abbreviation of our brand ERAINS TAC OPTICS
The 2nd 4 letters and 2 numbers "PVS31C": Night Vision Binocular (the device type)
C. Specifications:
| Housing | Nylon |
| Helmet mount | included |
| Rear battery pack | optional |
| Tube | Gen 2+ , Gen 3 (2 kinds tubes are optional) |
| Distance | At visibility 5km, illumination 0.001lx, its detection distance of human (1.7mX0.5m) can be 100- 250 meters. |
| Resolution | 50-72 lp/mm |
| Signal to noise | 28 |
| Sensitivity | 800-2000 |
| FOV | 40-51° |
| Diopter adjustment | ±5° |
| Weight: | ≤494g (mount and battery are not included) |
| Dimension | 103.2mm (L) x97.2mm(W) x 82mm(H) |
| Battery | CR123A or AA |
| Working time: | with full charged battery, ≥ 50h |
| MTTF | 1000 hours |
| Working time: | 50 hours (with fully charged battery) |
| Objective lens: | 26mm |
| Interpupillary distance | adjustable |
| Flip degree of -left & right monocular: | 50-140 |
| Bright light-off: | yes |
| Gain | Auto gain |
| High temperature: | 60±2ºC, working normally 2 hours |
| Low temperature: | -40±2ºC, working normally 2 hours |
| Protection | IP66 |
| Interface: | Standard WILCOX, one button to dispatch the ES-PVS31C |
D. Features and Precations:
Unique Features:
1. IP66 weatherproof: The device can prevent the domestic water.
IP67 weatherproof: When the device is soaked in water, within the defined pressure and time, the device does not enter the amount of hazardous water. (IP67 version is also optional)
2. Automatic shut off when flipped up: The device will turn off automatically when pushing a button on the side of mount and lifting the unit up until reaches in the top position. Push the same button to lower monocular to the viewing position, then the device will turn on for continuation of operation.
3. No power consumption when in standby: It means no power consumption in case you forget to remove the battery for some days.
4. Embedded spring in battery's cap: It makes screwing the cap easier and better protects the spring and contact with the battery.
5. Fully adjustable head mount: The head mount can be adjusted according to head size.
6. Mil-spec multi-coated optic: Multi antireflection film can restrain the reflex of lens, which can reduce the loss of light so more light can go though the lens to get a sharp image.
7. Automatic brightness control: When the ambient light changes, the brightness of the image detected will keep the same to insure a stable viewing effect and also to protect users' eyesight.
8. Bright source protection: The device will shut off automatically in 10 seconds to avoid the damage of the image intensifier tube when the ambient light exceeds 40 Lux.
9. Low battery indication: A greenish light in the edge of eyepiece will start flickering when the battery is running low.
Precautions:
1. Do not disassemble the unit.
2. It's better to use device under -40°C to +60°C. After the unit usage in temperatures below zero, wait at least 10 mins at room temperature, to avoid condensation accumulating on the internal lens surfaces and the consequent fogging caused by extreme temperature differences.
3. Keep the device in soft carrying bag, ventilated and dry place with temperature which does not exceed +15°C. Keep away from heating device and avoid direct sunlight and high humidity which does not exceed 70%.
4. NVB should be used in nighttime and can't be aim at strong light. If you have to test it during daytime, the front lens cap should never be removed. You can observe the target through the hole in the protection cap.
5.Use good quality lithium battery or alkaline cell, as bad quality batteries will effect the performance of the NVC and easily damage the device.
6. Try to avoid the rain and mist, and avoid dropping, shaking and collision.
7. Use clean soft cloth and dampened in alcohol,if necessary.
8. A useful tip is to remove the battery when the night vision will be not in use for over 3 days to prevent battery leakage and damaging the device.
NOTE: It is normal that the device can not be turned on when the ambient light exceeds 40 Lux. This device has protection system, which cuts off the image intensifier when ambient light level exceeds the limit of 40 Lux during a 10 seconds period.
Failure to follow the above precautions may cause the unit damage and will void the manufacturer's warranty.
E. Troubleshooting:
If the device does not turn on
1.Reinstall the battery with the correct polarity.
2.Replace battery.
3.Clean the battery compartment, focusing on the contact points.
The observed image flickers or flashes
This means there is too much light(e.g. observation during twilight conditions).Turn off the unit or place the objective lens cover.
The unit will function normally in light conditions not in excess of 0.1Lx(full moon).
The image is missing or not focused
1.Re-focus the unit by adjusting objective lens. Adjust diopter setting by rotating eyepiece, if necessary.
2.Check the cleanliness of the objective surface and eyepiece and clean if necessary.
3.Replace batteries.
4.In extreme low light conditions, activate the built-in led light.
Image disappeared or its quality worsened
1.Automatic shut off might occurred to protect the unit from excessive light. Attach the objective lens cover and ensure that unit started to function normally. Turn the unit off and wait until the conditions darken to continue observation.
2.Bright light sources(e.g. street lights)may cause visibility to decrease or disappear. Turn the monocular away from the light source, visibility will restore itself in several minutes.
You see black dots on the screen
These dots are minor cosmetic blemishes resulting from the image intensifier production processes and are not a sign of a defective or low quality unit. These dots do not interfere with the reliability and performance of the monocular.
F.Testing for all our devices:
vibration test, high temperature test, lens resolution test, rain test, waterproof test, glass transmittance test, shock resistance test etc.
J. Warranty :
Our warranty is 5 years from the date of purchase on this model product.
This night vision is a precise optical product, please operate it according to the manual. We only take the warranty responsibility for customers' correct operation. Tube replacement and man-made damage are not within the scope of the guarantee.
For detailed warranty info, please refer to Erains TAC Optics Warranty Service.
Warranty Service:
Warranty: Erains offers 5 years free warranty with up to 8 years limited warranty for night vision devices.
Warranty period:
Our products shall conform to design, manufacturing and performance requirements and be free from defects in material and workmanship for a period of THREE years(5) from the date of pruchase. If any products are defective, please notify our company as soon as possible.
This warranty does not cover a product:
1. used in other than its normal and customary manner;
2. subjected to mishandling, abuse, misuse,improper storage;
3.subjected to alterations, modifications or repair by the customer of by any party other than our company without prior written consent of our company;
4.merchandise that has been discontinued by the manufacturer and either parts or replacement units are not available due to reasons beyond the control of our company;
5.subjected to improper operation, including use in conjunction with equipment which is electrically or mechanically imcompatible with or of interior quality to the product;
6. failure to maintain the environmental conditions specified by our company;
7.operation of the units during daylight hours and under any excessive light conditions;
8. beyond 5 years limited warranty period;
9. force majeure.
Procedures:
Before sending defective product back, please Email your sales representative a sharp photo defective product and clearly indicates specific reasons for return, return address and contact information including contact person name, valid telephone numbers and proof of purchases that will help us to eatablish the valid start date of the warranty. Our sales representative will send you a return material authorization number( hereafter abbreviated as RMA#) after our service technician confirm it. Please clearly mark the RMA# on the outside of the shipping box and cut the warranty card along the dotted line, which lies at the last page of user manual.
Note: Products returns that do not have an RMA# listed or warranty card in the box may be refused or a significant delay in processing may occur.
Expenses:
Customer is responsible for shipping charge to our company for warranty service. Our company will cover return shipping to customer after warranty repair only if produts is covered by aforementioned warranty.
If defective products are not applicable for our company's warranty as stated above, customer will cover all costs such as shipping for sending back and returning, costs for spare parts and labor and all other expenses caused by this.
Remarks:
In the event a defect that is covered by the foregoing warranty occurs during the applicable period stated above, our company, at its option, will either repair or replace the product.
H. Kit includes :
Night Vision Binocular, Flip-up head mount, Protective carrying bag, Instruction manual (can be customized or E- manual file), Lens cleaning cloth, Warranty card, Desiccant
SUPPILIER R&D DEPARTMENT AND BOTH ERAINS WITH SUPPLIER DOUBLE QUALITY CONTROL GUARANTEE
Our Service
Except man-made mistakes, we will exchange the defective with a brand new one within 14 days after you get our product. According to the guild regulations customer shall be responsible for the returning shipping fee.
Warranty: 5 months free warranty with up to 8 years limited warranty for this model night vision devices.
We offer 5 years free warranty and 8 years limited warranty for our products with necessary repairing charges if they are out of free warranty period. Damage due to misuse, ill treatment and unauthorized modifications and repairs are not covered by our warranty.
Shipping Method
We provide comprehensive shipping methods, for small quantity orders we ship by DHL Air-Express, or EMS/TNT Express service, it is safe and fast. For large quantity orders we can ship by Air transportation or sea transportation, also we can ship order to buyer's cargo agent in China. We quoted prices are EXW price, don't include shipping cost.
Company Policy: Strive for the Customer Satisfaction
We have rich experience upon the international orders all over the world during the past 15 years. We can deliver the order to your office or home directly. We will combine the shipping cost for multi items purchase if you require.
FAQ
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Q1. Does package come with battery inside? A: No. Package will not include battery inside, expect for some built-in battery products. If you have to need the battery, please contact us before you placean order. |
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Q2. Will this item fit on my gun(s) /weapon? A: All the Erains TAC Optics laser products fit for a standard picatinny rail. Some small lasers only fit for subcompact weapons, and some only for long guns. If you can not make sure whether this item fits your weapon or not, welcome to contact us to help you. |
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Q3. How long is the delivery time? A: 7-10 Days for Sample Order / 25-35 Days for MOQ Order |
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Q4. What is the warranty policy? A: We can offer you 5 years warranty for defective products in unused condition on the premise of storing as required. Free repairing for defective units within 5 years limited free warranty period. |
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Q5. Are you a factory or a trading company? A: We are a 15 years professional trading company with a strong connection to a wide range of supplying factories who are with independent well-established RD & QC abilities, most of the supplying factories are the china top 10 manufactuers in the related area such as laser, light and scopes. |
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Q6. Do you provide OEM/ODM service? And packing with our logos? A: Yes, we can do OEM and ODM with your logo as your request. |
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Q7. Is the digital camera better than tradtional black and white digital camera or image intensified tube night vision? A: Yes. The mini C advanced CMOS technology offers much better night vision imaging clarity than normal night vision black and white or intensified image tube night vision devices with green images. |
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Q8. What is the MOQ? A: 10 pieces for most NV devices for bulk order. Sample order is also available. |
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Q9. What is your payment method? A: T/T, Western Union, Money Gram, PayPal |
Finally, your feedback and suggestion are very important for us.
Thanks again for your attention. We sincerely hope you will enjoy our products.
All our products are built for real firearms. Our latest lasers are manufactured with high quality components and materials. Excellent quality and stable performance. Water resistant, shock proof via (under) necessary condition testing.
Erains TAC Optics The most Advanced Night Vision Binocular Beating USA AN/PVS31 night vision device, it's Perfect for spotting wildline, night hunting, camping, hiking, boating, fishing, surveillance, security monitoring activities and most important the MIL Applications!
Suppliers with verified business licenses
Audited Supplier 
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