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The 89-306 from Edmund Optics is a Laser Power Meter with Power Range Photo Detector: 4 pW to 3 W. More details for 89-306 can be seen below.
Si Photo diode High Precision Photoelectric Laser Power Meter
Large size TFT display with USB and RS232 interfaces Rich Laser Power/Energy Meter
45mm aperture, very high power water cooled thermal power/energy laser measurement sensor