The TURNIGY watt meter is a very accurate R/C amp/watt meter.
Predict model airplane flight time with any given propeller. Ensure peak currents are safe for motor, ESC, wiring and connectors Check battery health and performance. Evaluate R/C battery charging efficiency. 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
Operating voltage: 4.8~60V (0V with optional auxiliary battery)
I use these meters to measure the output of my solar panels. To keep the readings after dark I connect the aux to my 12 storage battery. As the number of my solar panels increased I found the meter was not able to log the total watt hours for the day, so I decreased the current thru the meter by adding wire shunts across the negative lead of the meter. The meter reads current in the negative lead. My meter required about 15 inch of 12 AWG or 24 inch of 10 AWG to cut the current reading in half. I trim the shunt by putting another meter in series and cutting the shunt on the meter I am calibrating until it reads 1/2 the amps of the other meter in series. This means all amp and watt readings need to be increased by a factor of 2 to get the correct reading. After adding more solar cells I had to add two more shunts, reducing the meter reading to 1/4. This was done so I could take daily readings on my system at the end of each day. This does not affect the voltage reading.
it work's great nice blue backligthing makes it easy to see for us night flying guys. the only thing i would like to see is longer wires on the meter. mine were only about 3inches long 6 would be good. 4 stars for the short wires. still good for the price.Thank's HK
This box toggles through the several measurement parameters. The parameter can not selected individually. However this works also. A little bit bulky to go fly with it. Especially on a 450 clas heli. No problem to fix it on a 500 class w/o canopy. Nice gadget every enthusiast should have :-)
5 comments. Reply..
4 thumbs up!
Great meter, had some problems at first, but it all worked out. Turnigy is a great company!