11/8/2023 | 9029100009 | ROTATIONAL FREQUENCY SENSOR DCHV-2500A - 3 PCS (IND No. 641500735, 641501133, 641500949). DESIGNED TO CONVERT THE ENGINE ROTOR ROTATION FREQUENCY INTO THE FREQUENCY OF ELECTRICAL SIGNALS, THE SENSOR IS DESIGNED TO CONSTRUCT TWO INDEPENDENT WINDINGS WITH A PERMANENT MAGNET. THE SENSOR INTERACTS WITH THE INDUCTOR GEAR KINEMATICALLY CONNECTED WITH THE HPC ROTOR. OPERATING PRINCIPLE: WHEN THE GEAR ROTATES, EACH OF ITS TEETH, PASSING IN DIRECT PROXIMITY TO THE END OF THE SENSOR (AIR GAP 0.3-0.7 MM), CHANGES THE MAGNETIC FIELD COVERING THE TURNINGS OF THE SENSOR COIL. AS A RESULT, WHEN THE MAGNETIC FLUX CHANGES, AN ELECTRICAL FORCE IS INDUCED IN THE SENSOR WINDING, PROPORTIONAL TO THE RATE OF CHANGE OF THE MAGNETIC FLUX. THUS, THE FREQUENCY OF VOLTAGE PULSES FROM THE SENSOR DEPENDS ON THE SPEED (FREQUENCY) OF ROTATION OF THE INDUCTOR (MOTOR ROTOR). BASIC TECHNICAL DATA: AMPLITUDE OF SENSOR OUTPUT SIGNAL AT SIGNAL FREQUENCY 250 Hz, NOT LESS THAN 0.18 V AT SIGNAL FREQUENCY 2500 Hz, NOT | XXXXXXXXXX | 0 | N/A | 181 | RUSSIA | NA |