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DeepTech

Are Tesoros voltage regulated?

D

dan b

Active member
Specifically the Vaquero? I'm guessing that they are not as my Vaquero seems a little "off" when the batteries are low. It's hard to explain how it's "off" but it just seems weird. A fresh battery fixes it right up. Are an Tesoros voltage regulated? How does the Outlaw behave when the battery is reaching the end of it's life?

Thanks,

Dan
 
I'm going to say YES! all electronics have regulators through out their circuits, that's just how electronics work. But even in that what may be happening is without a good "Low Battery Alert" or warning system there may not be anything to keep the detector from operating below the regulated level (or trying to).

I'm more than convinced that ALL electronic devices should have a "Low Battery" alert of some sort, I know the Tesoro's are supposed to beep so many times when you turn them on, but beyond that I don't think there is anything to tell the operator the batteries are getting low other than "Poor Performance".

It wouldn't take much, a simple single red LED that comes on when the supply voltage reaches the regulated level would work just fine.

Mark
 
i use 9v rechargeable on my outlaw and they go fast , when they go but the 1st indication they are getting low is when you turn it on it starts to screech for a bit and this gets longer and finally quits.
 
I noticed on my V that everything would be fine, then it would start to chirp or sort of warble. That's the best I can put it. The batteries would just quit. It always made me wonder if that last 15 minutes or so of hunting was productive or not.
 
The battery check when you turn it on is fine and dandy when you first start. But if you've been detecting for a few hours straight (like we all do) then the low battery can sneak up on you. I often wonder too if my last hour of detecting has been as productive as it could have been.

Dan
 
Well Dan, as many have said, its a sure to have a regulator. It should give you full strength right up until it dies. Sometimes though, when you are concentrating hard, and there are bits and pieces of stuff that give off chirps, etc, that's when you think about how long did you search with it acting that way.
The nice thing is, you can throw another set in and go back over it. I have been buying rechargables from HF. They work great! I have several 9v for my Tesoros and a bunch of AAs for my ML. They are cheap, seriously. I always carry spares.
 
All Tesoros use a low drop-out voltage regulator. For the 9V models they use a 5V regulator that will regulate with 5.5V or so in from the battery. All the critical circuits will work from the 5V regulated supply or the -5V that is derived from it. The only part using the raw unregulated battery voltage is the audio output to the speaker/headphone. The loudness of the audio will drop somewhat as the battery voltage drops slowly.

Merc
 
It has to have a regulator. Most regulators, especially 5 volt require the voltage to be 1.5 volts higher than the regulator voltage to maintain proper regulation. If that doesn't happen the regulator voltage will dip.
 
I always head out with a fresh battery in the Vaquero and if not I have a new one in my pocket. I have experienced that inconsistent unpredictable performance of the low battery and have wondered what I have missed and I have gotten some of my best finds after a battery change mid way through a hunt, coincidence?
From the Vaquero Manual.
Your Vaquero is equipped with a battery test switch so that you can always be sure you are getting top performance. (See QUICKSTART for operation.) The battery should be checked after the detector has been on for about 10 minutes and then periodically when used for long durations
and also this
Turn the SENSITIVITY knob from OFF to about 7 or 8. You will hear a series of quick beeps. If the battery is fully charged, you will hear 6 or 7 beeps. When you hear only 1 or 2 beeps, it will be time to replace your battery. This test is only performed when the detector is first turned on. If you would like to check the condition of your battery while hunting, turn your detector off and on again and listen to the beeps.

I find that in All metal mode Vaquero will do all right with 4 beeps but in discrimination it needs more juice to be accurate so I am swapping out for new ones at 3-4 beeps. I use alkiline and have tried the rechargeable but did not like them as they did not last vary long as the quality was not good but would give them another chance with a high quality rechargeable battery.
I will have to check the voltage of the battery's that I remove for poor performance to see if they are under the 5 volt regulator and the amperage.

Minas man
 
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