eLoggerTM V4 （イーロガー）

Logs pack current to +/- 100 amps (150 amps with MPRV4-LEADS-150) and voltage from about 5 volts to 80 volts

Current is measured with a true Hall Effects Sensor - NOT a power robbing resistance shunt
Adjustable logging rate (from 50 samples per second to one sample every 5 minutes)
16 times the logging space of the standard eLogger V3, and lossless data compression. Typically logs all available sensors for about four hours, at 10Hz.
All data logged to permanent memory, which retains the data even when the power is removed
Fully compatible with our OSD Pro expander
Includes Y cable for throttle position logging
Great for bench monitoring of battery charging also!
Supports the PowerPanel LCD Display
Accepts optional inexpensive sensors for three Temperatures, RPM (brushless, magnetic or optical), Airspeed, Altitude, GPS, Servo Current, and more
Software computes Wattage, mAH, etc. for complete e-flight data.
Fully Compatible with Windows 7 (32 and 64 bit), Vista, 98SE, ME, Win2K and XP™
Weighs about 0.8 oz (22 grams). Versions with Wire Leads may weigh slightly more.
Comes with our state of the art Windows virtual playback display and graphing software
Powerful Graphing software has advanced charting features, such as amps vs volts
Internet Updatable firmware - as we add new features or (heaven forbid) have a firmware bug, the update is just a download away! No need to ship hardware back and forth.
Full support for English and Metric units.
Software has built in English, German and Chinese language.
eLogger 説明書はこちらです（英語）。