General sensor for Graupner HoTT receivers and models with electric motor. Functions: Vario with altitude signals and 5 climb and 5 sink tones each and additional warning thresholds for min. altitude, max. altitude, climb and sink rate in two stages Altitude display (- 500 ... + 3000 m) and storage of min. and max. altitude. 2x temperature and voltage measurements with warning thresholds for min. and max. voltage and min. and max. temperature Single cell measurement 2 ... 14S with warning thresholds for min. voltage Voltage, current and capacitance measurement with warning thresholds for min. and max. voltage, max. capacitance and max. current Programmable current limitation Current measurement with shunt resistors 2x 0.2 mOhm (5 W) in parallel = 0.1 mOhm Adjustable warning time: OFF, 5, 10, 15, 20, 25, 30 seconds, always Adjustable warning repetition time: Always, 1, 2, 3, 4, 5 min, once Approx. dimensions: 51 x 47 x 18 mm Operating voltage: 3.6 ... 8,4 V Connections and technical data Vario: 2x temperature optionally 0 to 120°C or 200°C and voltage measurement up to 80 V DC 1x speed controller input, 1x speed controller output for single cell undervoltage regulation 1x current, voltage and capacitance measurement up to 150 A (short 1 sec. 320 A) and up to 60 V 1x single cell monitoring for 2 - 14S lithium batteries (LiPo, LiIo, LiFe) 1x telemetry connection for receiver Altitude measurement: -500 m ... +3000 m Resolution: 0.1m Vario sensitivity: 0.5 m / 3s, 1 m / 3 s, 0.5 m / s, 1 m / 1 s, 3 m / s programmable per tone Average value calculation: 4 - 20 measurements per measured value programmable