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ncape08

Sep 11, 2011
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Hi all, a little background about myself.

My name is Nick and I am an AT in the U.S. Navy ( calibration technician ). I was looking to join the forum in order to increase my proficiency in my field in a fun matter. I do not know too much about electronics and practical applications, but I am eager to learn.
 

davelectronic

Dec 13, 2010
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Newbie welcome

Hi Nick.
Welcome to you, a calibration technician, we had better keep circuit tolerances tight, no dodgy that will do circuits ha only joking, hope you find it interesting on here. Dave. :)
 

davenn

Moderator
Sep 5, 2009
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welcome aboard Nick :)

yup its primarily hobby electronics on here, tho sometimes questions/topics get work related

what sort of gear do you calibrate ? radar? guidance systems ?

cheers
Dave
 

(*steve*)

¡sǝpodᴉʇuɐ ǝɥʇ ɹɐǝɥd
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Jan 21, 2010
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Ohhh, Nick. Just the person I need.

Can you check this: (Calibrating a finger) :D

OK, you're going to have to define "hot". It may just be "warm"

What does it score on the finger test:

0: Feels cool (cooler than if I touch my own arm)
1: Feels very slightly warm (about the same as touching my arm)
2: Feels warm, but not hot
3: Feels very warm, but I could leave my finger there indefinitely without any fear.
4: Feels hot. I can leave my finger there for a while, but I'd prefer not to.
5: Feels quite hot. I can leave my finger on it for a few seconds, but that's about all
6: Feels really hot. I can touch it, but I can't leave my finger resting on it.
7: Extremely hot. I can touch it, but I have to check my finger for burn marks afterwards
8: Superlatively hot. It feels really hot before I get my finger near it, and I don't want to leave flesh behind.
9: Glowingly hot. The device is smoking, in flames, or glowing with radiated heat. Fingers are well away.
10: House on fire. Not going in to check. Fingers dialling fire brigade.

4 or below is almost certainly OK. 5 or 6 are OK in some cases. 7 is generally only seen in devices obviously made to get hot. 8 or above are almost certainly signs of faults. (This is obviously a very rough guide)

Welcome to electronics point.

I hope you have as much fun as I do.
 
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