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Old 09-13-2009, 02:06 PM   #16
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Anyone have a good way to test accuracy? Boiling water seems like a way, but would an Ir gun read it right? I don't know when water boils at my altitude anyways.

What's a good, high temp constant to use to check accuracy?
i agree the exergen temp gun is really good. my dad and i have had ares for at least four years and haven't had to change the battery
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Old 09-13-2009, 02:30 PM   #17
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Of my three temp guns; the Losi tmp/tuner, the duratrax temp gauge and the telemetry temp reader on my DX3S, two of them are very consistent with each other and other guns at the track. Those two are the DTX and the DX3S believe it or not. Once I do as the manual says, and check temp with vehicle stopped for 5 seconds or so, the DX3S telemetry seems to be spot on. That suprised me.
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Old 09-13-2009, 06:15 PM   #18
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exergen is the best tempgun.$250 for a bnew,but you could get a cheaper one on ebay or on the for sale forum. i think i saw one before for $150 (dx501).
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Old 09-13-2009, 07:13 PM   #19
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exergen is the best tempgun.
How would you test it's accuracy?
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Old 09-13-2009, 07:15 PM   #20
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I still use my Raytek temp gun that I bought almost 10 years ago. I have one of the small O'donnell ones as a backup. I use each to check for accuracy between the two and my Raytek is right on point after all the usage. You can still find them new for under $100. The Odonnell one cost me a shade under $40 and it has a carrying pouch that you can attach to your belt. You can't go wrong with too many of the temp guns on the market.
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Old 09-13-2009, 09:11 PM   #21
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How would you test it's accuracy?

The only test i've done is test my exergen temp gun against other exergen and they both read between two degrees....

I've use other brands before and have had over 30 degrees variation on the same brand especially over 220 degrees fahrenheit
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Old 09-15-2009, 09:33 AM   #22
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The great point in favour of the expence of the Exergen is that the reading is not biased by the colour of the surface being read. Some plugs are matt finish, some are chrome. On cheaper temp guns, you'll see different read outs. Not so with Exergen........

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Old 09-17-2009, 07:44 AM   #23
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How would you test it's accuracy?
Boil a pot of water. Use a small aluminum, thin walled pot. Just when the water is at a full boil, place a piece of black electrical tape vertically on the outside of the pot. Now scan the temp gun up tape on the pot. It will hit 212F at the point where the top surface of the water is.

You can't just aim it at the water because it will measure the temperature of the steam/air/water/pot or whatever the beam deflects off of.
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Old 09-17-2009, 08:02 AM   #24
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Does anyone have any links or info on getting a exergen re calibrated??

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Old 09-17-2009, 01:13 PM   #25
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Does anyone have any links or info on getting a exergen re calibrated??
You can call exergen they will calibrated for about $150.00. But the tech was very honest and said there is no moving parts in side an exergen temp gun so there is no need to have it calibrated. Now if yours is damaged thats another thing. but exergens normally need no calibration. I would clean your sensing lense that and a low battery are some of the things that throw off the temp readings.


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Old 09-17-2009, 03:26 PM   #26
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Its 20 degrees cooler then the other exergens I compaired it with, and I made sure the lens was clean
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Old 09-18-2009, 12:08 AM   #27
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exergen is the best tempgun.$250 for a bnew,but you could get a cheaper one on ebay or on the for sale forum. i think i saw one before for $150 (dx501).
Thats cheep indeed...
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Old 09-18-2009, 12:28 PM   #28
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Its 20 degrees cooler then the other exergens I compaired it with, and I made sure the lens was clean
You may want to have it sent in for service
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Old 09-22-2009, 04:08 PM   #29
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Originally Posted by Francis M. View Post
The only test i've done is test my exergen temp gun against other exergen and they both read between two degrees....

I've use other brands before and have had over 30 degrees variation on the same brand especially over 220 degrees fahrenheit
sup francis!
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