The OPM-300 is a handheld optical power meter (OPM) device used to measure the absolute or relative power of an optical signal. The OPM-300 consists of a calibrated sensor and display. The sensor consists of a photodiode that operates in the desired range of wavelengths. On the unit, measured optical power is shown and appropriate wave length is displayed. This ingenious device has a wide range of power measurements with high precision.

• User self recalibration function
• Large LCD display and optional backlight
• Displays optical power in mw, dB and dBm
• Absolute and relative power measurement
• Quick response, without warm-up time
• Moisture, dust and water resistant design
• Low battery consumption (more than 240 hours continuous operation on three alkaline batteries)
• Optional 10 minute auto-shutoff function

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