The Skyray Instrument, a publicly traded company in the instrumentation industry, tested Sine Scientific Instruments' OE1021 lock-in amplifier (a pre-release version of the OE1022) against lock-in amplifiers from international counterparts in the application of TDLAS technology. 

The measurement results of the OE1021 of Sine Scientific Instruments is significantly superior to that of its international counterparts, and its users have proved it as follows: