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CAL-300 Advanced Gas Dilution Calibrator

with Internal Ozone Generator & Ozone Photometer (Ozone Transfer Standard)

The CAL-300 Calibrator from Met One Instruments Powered by Acoem includes all the features of the CAL-200, with the addition of an ozone photometer for the accurate creation and delivery of ozone concentrations when calibrating ozone analyzers.

The photometer accurately and continuously measures the ozone concentration to control the output of the internal ozone generator, providing an accurate ozone source for routine ozone calibration.



  • The Met One Instruments CAL-300 user interface makes all functions simple and intuitive.
  • In-built photometer and ozone generator for use as a Level 3 ozone transfer standard.
  • Ozone photometer based on the reliable and proven technology used in the Met One Instruments GAS-1010 Ozone analyzer.

For Complete Specifications and Product Information, please view the Product Data Sheet.


Specifications are subject to change at any time.
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