The 8420 card is intended as a solution for situations with rotating machines where positional information and time relative to position information are required. This would classically be a very high speed shaft encoder with a fine resolution. This card is used in applications where there is a requirement to accurately measure rotational speed at several points in a drivetrain. The high speed and resolution of this card mean it is suitable for in-depth rotational machine analysis such as torsional and angular vibration. The 8420 card measures the time between pulses with a 16ns resolution.

 

Description	4ch Advanced Tacho
Tacho input channels	4
Tacho input range	±28V
Absolute max input range	±50V
Slope selection	+ve, -ve
Dynamic noise rejection	Yes
Resolution	16.6ns
Connector	BNC
Power usage (worst case)	1.3W

 

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