About

Photovolt Instruments Inc. manufactures the Aquatest 2010 Karl Fischer Coulometric Moisture Titration System and the Model 577 color, opacity, brightness, and reflectance meter.

All Photovolt products are made in the USA.

These instruments are used to measure moisture content and the appearance characteristics of materials. They are used in many industries including: pharmaceuticals, biomedical, plastics, chemical, petrochemical, utilities, food & beverage, transportation, aerospace, paint and varnish, packaging, cosmetics, pulp and paper, and textiles.


Aquatest™ 2010
Karl Fischer Coulometric Moisture Titration System
Now available with diaphramless generator

Photovolt™ Model 577
Color, Opacity, Brightness, and Reflectance Meter
Now available with serial data port option


Photovolt Instruments Inc.

click on image to view data sheet

Quick and accurate moisture analysis, provides maximum isolation of solutions from atmospheric moisture. Optional Vaporizer analyzes challenging materials like lyophilized proteins, pharmaceutical powders or biomedical, pharmaceutical and plastic industry solids.
  • Pharmaceutical
  • Biomedical
  • Plastics
  • Chemical
  • Petrochemical
  • Utilities
  • Food and Beverage
  • Transportation
  • Aerospace

Photovolt Instruments Inc.

click on image to view data sheet

The rugged portable Model 577 is designed to simplify the determination of appearance characteristics. The Model 577 measures color, opacity, hiding power, brightness, and tristimulus reflectances. Conforms with ASTM standards.
  • Pulp and Paper
  • Textile
  • Plastics
  • Pharmaceutical
  • Paint and Varnish
  • Food and Agricultural
  • Chemical
  • Bio Medical
  • Industrial Products
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