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Meson optical power meter MC1300/pm
This is a used optical power meter MC1300/PM. It works fine, but the next calibration date was 1/19/2008, i.e. 2 years ago. It was calibrated though on 1/19/2007 (see calibration tag attached on the front panel).
Made by Meson Design & Development, Inc. (Binghamton, NY, USA)
This unit measures and displays in dBm (decibels referenced to 1milliwatt). To find optical power at the wavelength of 1300 nm in watts use the following formula: