Product Description
This is a Laser Power Monitor manufactured by Laser Precision Corporation. This particular model is an RT-20C with an analog readout.
PLEASE NOTE: this listing includes ONLY the indicator unit – the BNC cable and detector shown in the photos belong to another instrument
Front panel controls include the power switch, a ‘set zero’ multi-turn pot for dark current compensation, and a selector switch for meter range. Full scale is adjustable in a 1 – 3 – 10 sequence from 10mW to 30 Watts. Output indication of the detector perfectly matched that obtained with the digital meter (13mW).
The rear panel has banana plug jacks for recorder output, line input selector switch, input for BNC cable from detector, fuse holder, and line cord.
The system was tested with a 15mW HeNe laser with the range selector set to 30mW. The reading was 13mW and this varied slightly depending on the position of the laser on the detector. Detector area is about 20mm in diameter. I did not adjust the calibration pot.
The meter appears to be functioning properly although it was not tested with a higher power laser. No documentation is supplied. Cosmetic condition is outstanding.
Location MB 110
Photo set 796