Calibrated Power Meter PRONTO-Si

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  • Portable photodiode-based laser power meter for up to 800 mW.

    This low power laser probe is so compact it fits in your pocket!

    The touch screen color LCD allows for a friendly user interface. You can make a measurement with just the touch of a button!

    Thanks to its very low noise level of only 10 pW, the PRONTO-SI measures powers as low as 0.3 nW

    Just slide the OD1 integrated filter to the "on" position and you can measure up to 800 mW of continuous power.

    You can set the wavelength, brightness and screen orientation to adapt to your application.

    Save your data to the internal memory and then transfer it to your PC over the USB connection

    4 adapter to connect optical fiber patch cords included :

    • 1.25 mm ferrule (i.e. LC)
    • 2.5 mm ferrule (i.e. FC)
    • 3.2 mm ferrule (i.e. SMA)
    • Doric GS dual fiber connector.


  • Maximum Average Power 800 mW
    Minimum Average Power 0.2 nW
    Wavelength Range 320 - 1100 nm
    Measurement Uncertainty +/- 6.0 % (320 - 399 nm)
    +/- 2.0 % (400 - 449 nm)
    +/- 1.5 % (450 - 809 nm)
    +/- 2.0 % (810 - 899 nm)
    +/- 4.0 % (900 - 1009 nm)
    +/- 7.5 % (1010 - 1100 nm)
    Exposure Time 0.2 sec
    Damage Threshold 100 W per cm^2
    Battery Type Rechargeable Li-ion
    Battery Life 17 hours (brightness at 25%)
    Battery Recharge via USB
    Sensor type Silicon photodiode
    Sensor Area 10 x 10 mm
    Dimensions 41 x 212 x 15 mm
    Mass 150 grams
  • DFD User Manual
      Version 1.0.3
    FDA Drawing
      FDH Drawing
        M5_Connector
          Application Note