Quarz + Servotester Graupner 764 This testing device permits checking crystals or servos, either manually or automatically. Function testing of all popular crystals. Manual testing of servos for control characteristics and function. Automatic testing possible of servos with maximum resolution to establish the zero-spots of servo motors. Testing time adjustable between 0 and 14 seconds. Also usable as automatic generator in demonstrations of models etc. Operating voltage 4.8 ... 6 V
Dimensions 69 x 42 x 20 mm
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