Practical Instrument Electronics

We at PIE have been privileged to work with—and learn from—Paul over the years.

His knowledge, mentorship, and sense of humor have made him not only a valued teammate, but a true friend to many and a legend in the industry.

The entire PIE family wishes Paul a very happy, well-deserved retirement!

Congratulations Paul!!

PIE Calibrators. Designed, manufactured, and calibrated near Rochester New York in the U.S.A.

Looking for an advanced troubleshooting calibrator? Give PIE a try!

PIE Calibrators are small, accurate, with advanced troubleshooting features!

Introducing the new loop calibrator!

Need a calibrator fast? We've got you covered with some of our most popular models in stock and ready to ship; other models ready to ship in as quickly as 1-2 weeks.

Even with all the extended lead times for raw materials, we have been working hard here at PIE to keep our production running smoothly. Contact us to see how we can help.

Happy π Day!

Martel Calibrator – Time to upgrade to a PIE Calibrator

As of 2021 Martel Calibrators are no longer manufactured and support is limited as service and replacement parts become harder to find. Find your replacement PIE model in the chart below and visit our website for more information.

Type Martel Model Upgrade to PIE Model
Multifunction Martel MC-1210 PIE 830
Multifunction Martel MC-1010 PIE 820
Multifunction Martel MC-1210-50 PIE 850
Thermocouple Martel TC-100 PIE 422
Thermocouple & RTD Martel PTC-8010 PIE 525B
Milliamp Martel LC-110 PIE 434
Milliamp Martel LC-100 PIE 334
Milliamp Martel MS-420 PIE 334
Milliamp & Voltage Martel PSC-4010 PIE 532