20 Most Recent Yukon NVMT 2x24 Gen 1 Questions & Answers


well its a gen "1" unit so any extra "ir" light will help out a lot! i use a deban gun light 50 watt buld with an "ir" filtter fitted to the light i can see nearly 1/2 mile and i can just about target a rabbit at no more than 100m with my sight set at x5,,,(3-9x50 with a 30mm bore) there not all there cracked up to be,,you loos a lot of light going through the scope,
to have a good night sight you need to go to gen 3!!!! so you need to sell your sole to buy one!!!

Yukon NVMT 2x24... | Answered on Jul 15, 2010


Hello, don't worry about it. It is HV to the image intensifier tube. The battery voltage goes through control circuit then to ccfl inverter (here is were dc voltage is switch on and off and switch dc voltage is step up by toroid coil that has two input and only two out puts). By impulsing the coil with two different switch dc voltage on the input this make the current lag the two different phase voltage by 90 degrees. Here is where the strange noise is coming from. The toroid coil is encased in iron case and if half of this iron case is loose, it makes case vibrate so the noise.


Now, the voltage come out of the toroid coil is switching dc (one could call it AC because that what AC voltage is, it switch between positive to negative) this voltage is about 300 to 900 switching DC voltage. This voltage will be applied to a 1/2 wave voltage multiplier (this voltage multiplier with have anywhere four four stages to 10 stages depend on what the input voltage to multiplier is.

Low the voltage out of the ccfl inverter the more stages the multiplier will have.



Now, the voltage multiplier will double the voltage per stage to need image intensifier tube voltage of 12000 to 45000 volts---DC switching or AC what ever one wants to call it. This voltage will bit you but it doesn't have a lot current associated with it, the current would be in the 10 to 15 ua (micro-amps) 1/10X6 amps.



Now, you know. GB...stewbison

Yukon Optics | Answered on Sep 24, 2011


an explanation for the use of a zeiss refractometer can be found here:
http://www.humboldt.edu/~scimus/HSC.36-53/Descriptions/RefracZeiss.htm

Optics | Answered 17 hours ago


Fixya does not supply manuals. Google the make and model info, followed by the word manual.

Optics | Answered 24 hours ago

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