Colonial Instruments is a wholesale distributor of pressure and temperature instruments. Since 1984 we’ve strived to understand and exceed the expectations of our customers, while delivering high quality product, services, and solutions to our customer’s most demanding needs.

Our goal is to help you and your customers make educated decisions in choosing the correct instruments for your intended application. We can make your job easier by providing your company with detailed quotations, submittals, and engineering drawings, specifically designed for the application required.

Some of our services include: mounting of gauges, pressure switches and pressure transmitters to diaphragm seals. Full service NIST Certification and calibration of pressure instruments, full color custom drawn dial faces for pressure gauges, and rotary engraved custom valve and instruments tags.

We stock a variety of pressure gauges ranging from all stainless steel high precision test gauges to commercial contractor gauges, bimetal and glass thermometers, an assortment of thermowells, snubbers, gauge cocks, and needle valves.

Colonial Instruments has no minimum order requirements. If we have it in stock, we’ll ship it the same day, as long as you place an order by 5:00 EST.