About Us

Smith Instrument is a representative of leading manufacturers of industrial control and automation instrumentation.

Learn More


Our field service department is ready to support and calibrate all our products.

Learn More


Locations & Contact Info

Serving the greater Michigan region, Smith Instrument has locations in Warren, Grand Rapids and Midland, Michigan.

More Info

Line Card

Repair, Calibration, Certification and Field Services Available

Michigan Line Card NW Ohio Line Card

Featured Service

Do you have a Gauge Program to assure the following?

  • Reliable Accurate Instrument Readings
  • Safe Installation
  • Lowest Cost of ownership

Smith Instrument can work with your plants requirements to customize a Gauge Program that meets your definition of the above parameters.

Gauges are your eyes into your process.

There are many factors that make up the selection of a gauge. Smith Instrument and Ashcroft have the experience to assure you have the best gauge selected for your application. In doing this we can help you better understand what gauges can give you the best process visualization while minimizing inventories.

Ashcroft and Smith Instrument have been and continue to be the top provider in Michigan of process pressure gauges for a reason. We provide the best overall value to our clients by first defining their pressure measurement goals and then working with them to meet or exceed these goals.

More information