Sig Kilo 2000 issues in the cold

[Stag556]

I was out shooting at a 1000 yard range yesterday and on all previous trips my Sig Kilo 2000 would range the berm, no problem. It was roughly 30 degrees outside yesterday and when trying to range the berm, I got nothing. I couldn't range anything past 800 yards. I was ranging steel targets.

A friend had another Kilo and his was doing the same thing. This is my first rangefinder so I'm not to sure but does the cold affect a rangefinders ability?


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[txfireguy2003]

I'm not sure, but I do know the old laser hunting lights from Laser Genetics....nd-3 I think they were called...... anyway, when the original models got cold, they stopped working. The light would just fade out. Maybe same issue?

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[eicas]

Ive been using mine and its been from the low 40's to the single digets. No issues. What does the battery monitor show during this? Maybe assure a fresh one?

 

[Stag556]

Ive been using mine and its been from the low 40's to the single digets. No issues. What does the battery monitor show during this? Maybe assure a fresh one?

The monitor shows the battery full minus 1 block if you understand my explanation there. My friends is just about brand new and so is the battery. I'd be concerned I had a issue with mine if it weren't for the fact that his was doing the same thing.


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[eicas]

Id have to look and see if the specs had an operating temp range. It may have been a "little slow" when the temps were single digit, but it still coughed up a reading within a couple seconds. I did notice the battery bar was down "one block" when it was out of the pack and exposed for a while.

 

[Stag556]

So I called Sig and I was told that the cold weather will adversely affect the operation of the laser. I asked about the possibility of going on a hunt in cold weather and didn't really get an answer other than cold affects all laser rangefinders. I don't know that I'm completely satisfied with that answer.


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[txfireguy2003]

I wouldn't be satisfied with that. I suppose a solution, or bandaid really, would be to keep it inside your jacket, in an internal pocket or on a lanyard around your neck, until needed. That would keep the laser warm. It would also screw up any thermometer reading of the LRF has one built in like mine. I'm not sure how much difference temp makes in ballistics at normal hunting ranges, but if it's something important to you..... you better find a different thermometer.

All that being said, my Leica 1600b doesn't exhibit this problem, at least not that I've noticed. Of course, I do hunt Texas, but I've been out in the teens with no problem with the rangefinder. When I get set up in my position, I lay everything out that I might need, binoculars, LRF, dope card, phone (for ballistic calculator), snacks, coffee thermos, everything. That way I'm not fumbling through my pack and miss a shot at the big one, the down side is everything reaches ambient temp quicker.

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[eicas]

If I recall...I remember reading a blurb somewhere about cold and lasers. I believe the green has a smaller temp range than the red. This is for civilan weapon mounted lasers...

 

[sheepdog697]

I have had this same issue while hunting. I did change the "mode" and it helped. Seems to only have issues when its close to or below single digits.

 

[Stag556]

I have had this same issue while hunting. I did change the "mode" and it helped. Seems to only have issues when its close to or below single digits.

What mode did you change? I tried scan and point and shoot and neither would give me a reading.


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[sheepdog697]

What mode did you change? I tried scan and point and shoot and neither would give me a reading.


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i actually went through the modes a couple times, then ended up back on scan and it worked. Almost like it reset.

 

[MarkCO]

I used mine for Elk and Pronghorn last year. Ranged both from a few hundred to 900, a few elk out to 1200. It was in the 40s Pronghorn and the single digits to 20s elk hunting. Ranged the elk I shot at 410 when it was 11F and the bullet hit where I wanted based on that.

It was in scan mode.