3M 900AST manual Auto TDR for Coaxial Fault Detection

Models: 900AST

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3MAdvanced Systems Tester 900AST Series

Connect the 900AST test leads to the coaxial conductor under test.

Press the

key to access the Soak test from the

Resistance screen.

Use the

key to save the active resistance to the

“Snap Shot” area.

Rising resistance in the active box typically indicates moisture while falling resistance indicates corrosion.

Auto TDR for Coaxial Fault Detection

Use the Auto TDR function to have the 900AST tester analyze and interpret a TDR coaxial cable trace.

The Auto TDR function imports the coaxial configuration selected in the TDR function using the Setup key.

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3M 900AST manual Auto TDR for Coaxial Fault Detection