On-Site Instruments

403 Venture Drive, P.O. Box 290
Lewis Center, OH 43035-0290

About On-Site Instruments

Search through the largest selection of environmental, industrial hygiene and safety equipment, gas chromatographs, mobile labs, and more. Call us today at 1-800-251-3322 or 1-614-846-1900 for our latest catalog.

On-Site Instruments provides rentals, sales and service for a diverse line of instrumentation and testing equipment for environmental, industrial hydiene and laboratory markets. We inventory a fleet of mobile laboratories available for your next project.
We sell reconditioned instruments that are fully tested and include a warranty.
Our highly trained, experienced and professional service staff can properly clean, service and calibrate your instrumentation.
Call 1-800-251-3322 for more information.

We offer calibration service and repair estimates on FID's, PID's, Gas Chromatographs, Oil & Water Level Meters, Confined Space Monitors and more! Click on the orange text for rental rates. Don't see what you're looking for?

Competitors of On-Site Instruments

Extech Instruments

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Electro Chemical Devices Inc.

Electro-Chemical Devices, Inc. (ECD) is a recognized leader in industrial process instrumentation: sensors, controllers, transmitters, analyzers and electrodes. ECD's products measure pH, conductivity, dissolved oxygen (DO) optical & amperometric, turbidity, oxidation reduction potential (ORP)... Read More

Myron L Company

Myron L manufactures high performance, cost-effective water quality management tools. Our instrumentation makes it simple to measure, monitor and control Conductivity, Resistivity, TDS, pH, ORP, and Temperature. Innovative new field test kits feature conductometric titrations for rapid analysis... Read More