Simplify your day-to-day calibration tasks with a PIE process calibrator

PIE process calibrators are compact, easy to learn and simple to set up. Don't be fooled by our straight forward EZ Check switch and Speed Dial design - our calibrators do everything those other complicated calibrators do without all the confusing buttons!

PIE is the home of the only calibrators with PATENTED loop diagnostic technology, LoopScope, RTD Autodetect, TC FaultSense and even more troubleshooting tools to help technicians make their jobs easier!

510B Calibrators


Technician suggested evolutionary design

From simple thermocouple and RTD sources to multifunction calibrators, PIE has what you are looking for at a price to fit your budget.


Wide range of process calibrators

When you need to read or simulate a process input or a control signal, PIE has a process calibrator to fit your needs.

Process Calibrators


Support when you need it, anywhere in the world

Each PIE process calibrator is designed, assembled and calibrated in the U.S. and comes standard with a Certificate of Calibration and a 3-year warranty.

Our Services

Repair Icon

PIE Calibration and Repair

We service all PIE calibrators including discontinued models.

Calibrator Replacement

Upgrade or replace a failing calibrator and receive a discount on a new PIE calibrator.

Our Solutions

Plant problems? Find and fix them with PIE calibration solutions.

Need More Information?

Practical Instruments consists of a world-class team with 30+ years of experience in design, repair and recalibration services. Give us a call. We would love to work with you.