A Division of Essential Research, Inc.

Advanced Micro Sensing and Actuation Technology

ER Microsensor is a unique provider of stock and custom micro-electronic sensor solutions. We are the exclusive manufacturers and distributors of MicroSense™ micro-electrical sensor and MicroAct™ micro-electrical-mechanical systems (MEMS) products based on our state-of-the-art technology.

Quarter wafer micro-sensors Quarter wafer micro-sensors

Microsensors are miniature, low cost devices that convert information about the environment into an electrical form that can be read by miniature electronic circuits. Microsensors are used as local, and increasingly remote, input devices for information systems as computing power increases and communications systems proliferate.


Microsensors thus function as remote eyes, ears, nose, and touch for humans, giving us the ability to become simultaneously aware of many remote environments. They can even extend our range of senses by monitoring for potentially hazardous situations or trace concentrations of dangerous chemicals that no human can detect. ER Microsensor is developing new sensor technologies to address a number of these applications.


We offer microsensor device development to your unique requirements, including:


  • High temperature exhaust gas impurities detection
  • Micro-thermocouples
  • RTDs
  • pH sensors
  • Conductivity sensors
  • Electrochemical sensors
  • Biomedical sensors
  • Standard inter-digitated finger element sensors


We offer Micro-Electrical-Mechanical-Systems (MEMS) devices, including:

  • Medical devices
  • Heater elements
  • Strain gauges


Outstanding quality assurance - testing data verification supplied.

Contact Info

Essential Research, Inc.

1632 Enterprise Pkwy Unit I

Twinsburg, OH 44087


Phone: (330) 487-0400

Fax: (330) 487-0200


Please use our contact form.


Since our new website went live last year, we have been overwhelmed with positive comments and ' web hits'. A big thank you to all of our customers and potential customers for your continued interest in our products and services, and your good wishes.


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