Desktop optical power meter is specially designed for laboratory, company quality inspection, can provide two types of products: ROF-OPM-1X high-stability optical power meter and ROF-OPM-2X high-sensitivity optical power meter can independently perform optical power testing, digital zeroing, digital calibration, manual or automatic range selection, equipped with USB(RS232) interface, upper computer software can automatically perform data testing, recording and analysis. It can be easily formed into an automatic test system with wide measuring power range, high testing accuracy, high cost performance and good reliability.