A-A-50757 1986 Edition, October 1, 1986
FOUR CHANNEL RECORDER
Includes all amendments and changes through Validation Notice 1, April 5, 2012
This Commercial Item Description (CID) specifies a portable four 50MM channel recorder which features a four-channel DC and amplifier range of 50MV to 500V full scale with a capability of a maximum common mode voltage of 500VDC. The recorder picks up test signals from a function generator that monitors three cylinder hydraulic fluid flows. The fourth channel monitors the changes between the three test signals. This system shall be known as a four channel recorder.