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Position-Sensing System Configuration Guide
A position-sensing amplifier (PSA) processes the signal produced by a position sensor and produces an output signal
correlated with position.
A position-sensing indicator (PSI) combines a position-sensing amplifier and display module in a single instrument,
in order to provide a direct positional readout.
Position Sensing Instrument Selection Table
| FEATURE | ANALOG
/DIGITAL | PSI/PSA | # Channels | Sampling
Frequency | Additional
Features |
| 301DIV | A | PSA | 1 | 30 kHz | |
| 501 | A | PSA | 2 | 1.5 MHz | Autorange;
Autopolarity |
| 431 | A | PSI | 4 | 7-10 kHz | Autocollimator
Power Supply |
| 531 | D | PSI | 4/8 | 1.6 kHz | Autocollimator
Power Supply |
Position-Sensing Amplifiers
Model 301-DIV Position Sensing Amplifier
Model 501 Dual Channel Position Amplifier
Position-Sensing Indicators
Model 431 X-Y Optical Position Indicator
Model 531 X-Y Optical Position Indicator
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