The model 10780A receiver is a photodetector/preamplifier module which senses the 5501A laser head beam returning from an interferometer. The resultant radio frequency signal is the MEAS signal for displacement measurement.
Measurement Signal: Differential square wave at Doppler-shifted frequency (100 kHz to 5.0 MHz). Levels compatible with all Laser Transducer output accessories.
Maximum cable length (using HP 10780-60003 Cable) = 65 ft. (20 meters)
Enclosure: NEMA Type 12
Maximum Power Dissipation: 2.7 W (with 20 meters output cable)