P/N 203467

Portable energy meter with protective window for IPL sources.

    • 19 mm Ø
    • 55 mm Ø
    • 10 x 10 mm
    • H - Standard (up to 500 W)
    • H - Standard (up to 3 kW)
    • H - Standard (up to 6 kW)
    • H - Standard (up to 10 kW)
    • H - Standard (up to 250 W)
    • Silicon (up to 800 mW)
    • W - Very high power density
    • Power
    • Energy
    • Power and Energy

Traceable calibration:

Logo nist

Product family key features


The PRONTO-500-IPL replaces the FLASH-500-55-W-IPL and FLASH-500-55-W-IPL-C that are now discontinued.


The PRONTO model offer the same measurement capabilities, but with new and improved electronics that allow for data logging, more calibration points and USB connection for data transfer and charging the battery.

High Energy Per Pulse

Accurate readings up to 350 J/pulse!

Easy Operation

Color touch screen display

Large Aperture

55 mm aperture to accommodate large beams


  • All-metal body
  • High damage thresholds

Advanced Features

Data logging and data transfer to PC

Compatible stand



    USB cable for MAESTRO, U-LINK (USB), and PRONTO.

  • Calibration certificate

  • Transport case

  • Personal wavelength correctionTM Certificate

Measurement capabilities

  • Spectral range1

    0.193 - 2.5 μm
    • 1. For the calibrated spectral range, see the user manual.

Measurement capabilities (Energy mode)

  • Maximum measurable energy

    350 J
  • Noise equivalent energy

    500 mJ
  • Minimum repetition period

    15 s
  • Maximum pulse width

    433 ms
  • Energy calibration uncertainty

    ±5 %
  • Minimum measurable energy

    2 J

Damage thresholds

  • Maximum average power density1

    45 kW/cm²
  • Maximum energy density2

    175 J/cm²
  • Maximum allowable casing temperature

    65 °C
  • Maximum power

    500 W
    • 1. At 1064 nm, 10 W CW. May vary with wavelength and average power.
    • 2. At 1064 nm, 10 ms. May vary with wavelength and pulse width.

Controller and GUI specifications

  • Battery type

    Rechargeable Li-ion
  • Battery life

    17 hours or 4,200 measurements (with brightness set at 25%)
  • Display size

    28.0 x 35.0 mm (128 x 160 pixels)
  • Display type

    Touch Screen Color LCD
  • Backlight

  • Internet upgrades via

  • Data storage

    50,000 pts
  • Battery recharge via


Physical characteristics

  • Aperture diameter

    55 mm
  • Absorber

  • Dimensions

    88W x 88L x 32D mm
  • Weight

    0.93 kg
  • Mounting holes

    1 x 8-32, 2 x 1/4-20


Versatile absorber suitable for most laser applications

Our H absorber offers a flat spectral response, making this energy detector a versatile solution that can cover a wide range of laser energy measurement needs. Our proprietary manufacturing method also gives this absorber good damage thresholds for energy density.

Customers enjoy:

  • Useful for measuring a wide range of lasers
  • Low risk of damaging the equipment

Leverage serial commands

Use our serial commands to communicate directly with the meter without using Gentec-EO's software. You can do so using a terminal emulator software, like PuTTY, or you can just integrate them directly into your own software. All essential functions of the meter are covered by a command. Refer to the user manual of the meter for the list of all commands available.


  • Build your own software
  • Suit your unique laser application requirements
  • Automate your measurements


Traceable calibration provides the ability to trace the readings of laser output measurements to known international measurement standards determined by the National Institute of Standards and Technology (NIST). This ensures that the measurements taken by the instruments are reliable and accurate.

Benefits include:

  • Make valid comparisons of measurements taken by other instruments inside and outside your organization and over time
  • Comply with regulations or conform to industry standards
  • Avoid costly measurement mistakes in your operations
  • Improve customer confidence in your laser systems
  • Ensure laboratory experiment validity
  • Demonstrate measurement accuracy easily with the calibration certificate we provide

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