
Publication No. 980978 Rev. A 203M User Manual
Astronics Test Systems i
Table of Contents
Chapter 1.........................................................................................................................1-1
Introduction.....................................................................................................................1-1
System Description ........................................................................................................................1-2
General.......................................................................................................................................1-2
System Specifications ....................................................................................................................1-3
Input ...........................................................................................................................................1-3
Acceleration Outputs (NOR and AUX).......................................................................................1-4
Velocity Output...........................................................................................................................1-4
Displacement Output..................................................................................................................1-5
DC Output ..................................................................................................................................1-5
Controls......................................................................................................................................1-6
Indicators....................................................................................................................................1-7
Power.........................................................................................................................................1-7
Size ............................................................................................................................................1-7
Chapter 2.........................................................................................................................2-1
Operation.........................................................................................................................2-1
Input Switch................................................................................................................................2-1
Digital Panel Meter.....................................................................................................................2-1
Units Switch................................................................................................................................2-1
METER RANGE Switch .............................................................................................................2-2
Sensitivity (RANGE) 1-11 or 10-110 Switch...............................................................................2-2
SENSITIVITY Control.................................................................................................................2-2
SE-DIFF Switch..........................................................................................................................2-2
OPER-CAL Switch .....................................................................................................................2-2
MV/g Output Switch....................................................................................................................2-3
LP FILTER Switch......................................................................................................................2-3
HOLD Circuit..............................................................................................................................2-3
ALARM Circuit............................................................................................................................2-3
RMS-PEAK Switch.....................................................................................................................2-4
Chapter 3.........................................................................................................................3-1
Performance Test............................................................................................................3-1
Test Equipment..............................................................................................................................3-1
Performance Test Procedure.........................................................................................................3-1
Control Settings..............................................................................................................................3-2