The new "Watts Up" RC battery Watt meter from RC Electronics measures and calculates all the electrical parameters you need to get high performance from your R/C cars or planes. It is an essential tool for increasing the performance and safety of your electric-powered R/C model. With the best balance of specifications and features on the market, you can stop guessing and start knowing "Watts Up" with your performance!
Why do I need a watt meter? The "Watts Up" watt meter helps you:
* Predict model airplane flight time * Ensure peak currents are safe for motor, wiring and connectors * Check battery health and whether battery should be retired * Evaluate R/C battery charging efficiency * Verify that the minimum voltage while operating is within specifications * Choose the best propeller or gearing and the most efficient motor * Check for wiring and connector power losses * Measure power and energy consumption of ANY device with a battery
Measures energy (Wh), charge (Ah), power (W), current (A) and voltage (V) Connector to use a receiver battery for measurement down to 0 V Captures current peaks and voltage minimums(droops) Accurate & precise - 0.01 A current and 0.01 V voltage resolutions Rugged - handles 50 A continuous and 100 A peak at 60 V 14 ga., 7 x 37 stranded, high temp silicone rubber insulated wire without connectors Small & Light: 2.8" long x 1.7" wide x 0.83" thick (70 mm x 44 mm x 21 mm), 2.5 oz. Acts like a wire so doesnt affect models performance. Precision current sensing resistor, with only 0.001 Ohm resistance and circuitry only draws 0.007 Amps Uses DSP to increase ADC resolution and differential measurement amplifiers to increase noise immunity Factory calibration stores constants in EEPROM to compensate for component tolerances No PC necissary. One Year Warranty Complete User Manual Made in USA to ISO 9001 standards
Personal note from the hobbycity director. I believe a good amp meter is a must have for any EP flight hobbiest. If everyone of our customers used one of these items, the number of burnt/returned speed controllers would be a great deal less. Knowing how many amps your motor is drawing with a given propeller is essential in determining flight times and battery/esc sizing. I cannot stress enough the importance of this item. Anthony
*Color may Vary
PRODUCT ID: WU100-B
This item is shipped for free to Standard Customers when purchased with any other item.
i have one of these and i can't make head's or tail's of it,i have a 690gram plane and i put a turnigy d2836/8 336watt motor on it tried many props but what no. should i be trying to get close to?? can anybody give me some idea many thanks going crazy trying to figure it out.
Check your motor specs from HK webpage. Max current for this motor is 18A. Lower it is the safer, but that means lower performance also. Also check that your battery voltage does not drop too low and that battery C rating is not exceeded.
On mine i have a male xt60 on the source side and a female xt60 on the load side. I have purchased adaptors from hobbyking to convert xt60 to ec3, xt60 to hxt 4mm and xt60 to jst. This way I am using a fairly common connector with adaptors available for anything else I need to connect.
With the device, is it possible to measure a capacitance of the battery without charging/discharging it?
How this device differs from the Turnigy 130A Watt Meter and Power Analyzer? What functions are different?
I think they have the same functions, the only difference is in the power they can handle and in the price, but basically they are the same! BTW it is not possible to know the effectice capacity of a battery without fully charging or fully discharging it...So this devices are not able to do what you asked :)
800 watts is the Current X the voltage It has littlew relevance to thrust. Thrusat depends on the EDF: Size and Design They can be very different as like all products, few fans are similar let alone identical.
You will have to measure thrust independently of Electrical uses/consumptions.
"Always connect and disconnect power at the meter FIRST on whichever of the LOAD or SOURCE sides that has the highest electrical inductance." - err... sorry I don't get that. When I want to plug the meter between battery and ESC, do I first plug the battery to the meter or first the meter to the ESC?
hay desmond,since jocholo was a little vaig in what he said ill fix it for him. plug the meter between battery and esc go to full power hold for a second or two and back off. now as long as you dont diconect the battery syraight away it will hold the details in the bottem left corner.it will scroll through a few differant things.the only thing you really have to note is amps and watts.as long as amps and watts are within tolerance your right to go. if these power levels are under you change the prop till you can get as closs to max as possible.i hope this helps.
Here is the deal with this meter. The $39.64 price is good for your second order not on your first order. If you want the watt meter with your first order it’s $52.87 but it says nothing about this on the site. I tried to add it later on my fist order and was told this when I called. After your first order you become a Gold Level Member then on your next order you get the watt meter for $39.64
Ok, but it's a bit hard to see how long ago the original discussion started as there is no date appended to the posting. I suppose price is as per the item de******ion page. But still does not answer my question as to why on my "view cart" page the watts up has a weight of 150 gm when it's "Free Shipping This item is shipped for free to new and standard customers when purchased with another item of any value. " Am I not a "standard" customer and since I am also ordering other items, don't I qualify for free postage, in other words, on my "view cart" page should it not say "0" gm for the weight?
I bought the Watts up to analyze my motor props configuration. Normally i am using a eagletree datalogger v2 to do this, but the watts up is more exact. I used it to calibrate my datalogger and i measure some of my motors on the test bench. Works perfect. It is very accurate and the values are good to read from the display. Shows live voltage and amperage in the first line of the display In the second watts and used maH. The second line will change every second to see the other values like minimal voltage, max. current,...
Very good accurate product. 5 Stars
3 comments. Reply..
22 thumbs up!
Has a socket for Futaba battery (5 volt) to take a single LiPo cell.
Can test single 50 to 130 mah cells under load and determine relative capabilities for 10 - 20 gram indoor airplanes. Also handles up to 100 amps and 60 volts.
Buy this after you buy a charger. Absolute must for electric flying.
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20 thumbs up!
I spent many time trying to find a Ampere meter for 100A Dc (DCvolt meter is easy)),with a reasonable price for analyse best fitting among Motor X Prop X Batt X Esc to Model weight X . Now finally I got the Watt´s up that can do more than check Amperes, it provides me simultaneously reading of Voltage,Current, Watts, Wh,Ah all that I needed for best fitting of components, no more guess atempt and error. Besides this watts up can read Ah charged into batteries, so you can have a better estimated flight time. I already checked 40W micro motors system to 300W motors with nice resolution. All this for affordable price !!
1 comment. Reply..
13 thumbs up!
It's like turning the light switch on and finally being able to see whats actually happening with your motor/esc/battery setup. This device has helped me identify 1 bad motor and 2 bad lipos. It has also made me realise I was using props which were too big for almost all of my motors. In addition to all this, I can now calculate flight times without taking off! Awesome product. Im stupid to have not got one earlier!