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02-18-2011, 01:53 PM | #1 |
Getting Wild
Join Date: Jul 2009
Location: Peachtree City, GA
Posts: 141
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Watt meter and Power Analyzer
I was wondering if anyone has one of these on their carts or has used one?
A friend at work pointed this out and it looks pretty cool. http://cgi.ebay.com/Watts-Up-RC-Watt...item4cf51d8eda Doug |
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02-18-2011, 02:02 PM | #2 |
Stay thirsty my friends!
Join Date: Jan 2007
Location: Suburban Chicago
Posts: 24,291
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Re: Watt meter and Power Analyzer
Current 0-100 A peak, 50 A continuous, resolution 0.01 A
This unit is intended for the RC hobby and is mismatched for cart usage. |
02-18-2011, 03:46 PM | #3 |
Gone Wild
Join Date: Mar 2009
Location: Roseville, CA
Posts: 2,757
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Re: Watt meter and Power Analyzer
I agree with Gornoman. Your cart will draw as much as 300 amps at full throttle acceleration and 80 amps continuous, 100 amps/50 amps won't cut it.
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02-18-2011, 06:53 PM | #4 |
Gone Wild
Join Date: Jan 2011
Location: Murray KY
Posts: 219
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Re: Watt meter and Power Analyzer
And here are the applications to show why it is a no go for a cart.
Applications: Specially designed for RC Battery Packs to help you: Set speed control cutoff voltages and currents Tune performance by comparing different setups of pro-peller, motor, gearing, speed control and battery Measures a full battery charge Check when peak currents are safe for battery, speed control, motor, wiring and connectors Predict airplane flight time based on ACTUAL conditions in your model Check battery capacity and health and whether battery should be retired Verify that the minimum voltage under load is within specifications Check for wiring and connector power losses. Fine-tuning your electric RC cars & planes for great performance doesn't have to be a guessing game Measure power and energy consumption of ANY device with a rechargeable battery pack, such as RC car battery pack, Bike lighting battery pack,E-bike and Scooter battery pack Combine the power analyzer together with our 2.4V - 7.2V, 7.2V - 12V, 24V NiMH universal smart chargers , and with 3.6V - 14.8V Li-Ion battery charger It is perfect tool to monitor battery pack's performance |
02-18-2011, 08:11 PM | #5 |
Gone Wild
Join Date: Oct 2010
Location: Panama City, FL
Posts: 1,408
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Re: Watt meter and Power Analyzer
if you already have a volt meter, you can add a current meter and then calculate watts in.
-sj |
02-22-2011, 09:11 AM | #6 |
Getting Wild
Join Date: Jul 2009
Location: Peachtree City, GA
Posts: 141
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Re: Watt meter and Power Analyzer
So, now that I've heard the why nots, does anyone know where I can pick up an amp hr meter than can handle the current on a cart?
Thanks, Doug |
02-22-2011, 04:44 PM | #7 |
Gone Wild
Join Date: Oct 2010
Location: Panama City, FL
Posts: 1,408
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Re: Watt meter and Power Analyzer
amp meter? or amp hour meter?
an amp meter is real time device. an amp hour meter is a cumulative measurement. -sj |
02-22-2011, 05:00 PM | #8 |
just leave me alone
Join Date: Aug 2008
Location: Tennessee
Posts: 5,643
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Re: Watt meter and Power Analyzer
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02-22-2011, 05:19 PM | #9 | |
Gone Wild
Join Date: Oct 2010
Location: Panama City, FL
Posts: 1,408
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Re: Watt meter and Power Analyzer
Quote:
think of the meter on the side of your house... an amp meter = how fast is it turning amp hour meter = how many times did it turn -sj |
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02-22-2011, 05:31 PM | #10 |
Gone Wild
Join Date: Mar 2009
Location: Roseville, CA
Posts: 2,757
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Re: Watt meter and Power Analyzer
An ammeter is pretty simple but an AmpHour meter may be too expensive to justify for a cart.
Rather than speculate it might be good if dgcurtis tells us what he's trying to do and we can find the product for him. |
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