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General Dynamics 18CT4C • M20708/29

M20708/29 18CT4C

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REQUIREMENTS

Requirement Value Unit Tolerance
Frequency 400 Hz ±1%
Primary Voltage 90 volts ±1%
Primary Current 7.0 milliamps maximum
Primary Power 0.06 watts maximum
Impedance Zro 12,000-14,800 ohms min.-max.
Zrs 980-1190 ohms min.-max.
Impedance Angle Zro 82.0-84.5 degrees min.-max.
Zrs 42.0-52.0 degrees min.-max.
Transformation Ratio 0.735 ----- ±2%
Phase Shift (Lead) 2.0 degrees ±1.5
Electrical Error 6.0 minutes maximum
Null Voltage Total 30 millivolts maximum
Fundamental 20 millivolts maximum
Friction Torque 0.10 ounce-inches maximum
Radical Play 0.0006 inches maximum
End Play 0.0015 inches ±0.0010
Temperature Rise 20 degrees (C) maximum