วันเสาร์ที่ 14 มกราคม พ.ศ. 2555

Watt's Up RC Watt Meter & Power Analyzer WU100 Version

Product Description


, Jet JDP-12 12-Inch Drill Press , DELTA JT160 Shopmaster 10 Amp 6-Inch Benchtop Jointer ,Makita 2012NB 12-Inch Planer ,Porter-Cable 895PK 12 Amp 2-1/4-Horsepower Fixed ,Hitachi M12V2 15 amp 3-1/4-Horsepower Plunge Base Variable Speed # Specifications: # Voltage 0-60 V, resolution 0.01 V. That's a 14 cell series li-poly pack! # Current 0-100 A peak, 50 A continuous, resolution 0.01 A # Charge 0-65 Ah, resolution 0.001 Ah. That's ~32 Amps for two hours! # Power 0-6500 W, resolution 0.1 W. That's ~8.7 Horsepower! # Energy 0-6500 Wh, resolution 0.1 Wh. # Operates from 4.0-60 V, 0 V with optional receiver battery pack # 16 x 2 STN LCD display # Powerful, 8 MIPS micro-controller # Color: Electric blue or green 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 # Measure a full battery charge and compare to spec when charger claims done # Check 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. # Measure power and energy consumption of ANY device with a rechargeable battery pack, such as # Airsoft gun 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 Note: In order measure the capacity of battery pack in charging condition, the battery pack must be discharged fully before measureing. For the battery pack stored for longer time, you need 3 - 5 cycle's charging and discharging to get full capacity. We don't suggest you to use the meter to judge battery nominal capacity, becuase usually nomimal capacity is measured by IEC standard at 0.1C charging and discharging current.


This review is from: "Watt's Up" RC Watt Meter & Power Analyzer WU100 Version 2 --- SALE! (Toy)
I was very concerned seeing that it had 14AWG wire for up to 100A peak. But I tested it at about 53A for several hours and I had no problem with the wire size. I did find that when the unit warmed up the LCD screen was basically unreadable... I directed a small fan on the unit (actually it was the exhaust fan of the invereter it's attached to) and that cooled the unit and made the LCD readable again. Fantastic device! Highly recommended. FYI, this one has limited Amp-Hour limit but much higher Watt-Hour limit. Check out their website for why they believe Watt-Hour is better than Amp-Hour. [...]

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