top of page


Optical Sensor Technology and Consulting

We are pleased to announce a strategic partnership with Storage Battery Systems, LLC. EXP is a leading provider of battery testing and monitoring equipment that combines advanced technology with simplicity of use. Their highly trained team of experts will offer production versions of our Portable Electronic Hydrometer and State of Charge Sensors. Click on the images below for detailed information on these featured developments. This site is currently under revision.

EXP Battery State of Charge Sensors


EXP Electronic Hydrometers for Battery Testing


In Development 

In-line Process Control Refractometers 


In Development

Immersion Refractometers

Custom Refractomers

bottom of page