Model #100 Micro-Meter from Astro Flight, Inc.

FEATURES: Designed for small micro models. Shows motor's current draw from 10mA to 15 Amps. Shows battery voltage from 4.0V to 15.9V. Shows motor input from .1 Watt to 225 Watts. Shows battery capacity up to 200mAh. Use to adjust motor timing for optimum power and efficiency. Helps to choose the right prop to load your motor for best Amps. Use it to select your NiCds for maximum Volts, Watts or Amp hours. Uses no battery--is powered from the voltage source and absorbs approximately 17mA. Contains 3 digital micro-processors, a 2.5V precision reference, 5V power supply and precision amplifier. Turns ON at 4V and will measure any DC voltage up to 15.99V. Once running, the meter will operate down to approximately 3V. Initiates a self-calibration routine every time voltage is applied. Includes source leads and connector to connect to battery or power supply and load leads and connector to connect to motor. Backlit display.

Instructions included.