Radian Research, Inc. is the recognized industry leader in North America for Energy Reference Standards, Energy Meter Testing Systems, Current Transformer Testers, DC to AC Transfer Standards, and Automated Laboratory Energy Reference Systems.

Radian provides both portable and primary energy reference standards that are absolutely unequaled in accuracy, stability and reliability. Radian customers typically consist of electric utility companies, energy meter manufacturers, energy meter test board manufacturers and governmental bureaus of energy measurement reference.

---

Featured Products

RD-33 Three-phase Electricity Reference Standard
The Radian RD-33 achieves a unparalleled level of accuracy and performance . The RD-33 has a worst case accuracy of 0.01% for all measurement functions across its entire operating range, with a typical accuracy that is within traceability uncertainties. This worst case accuracy specification includes the variables of stability, power factor, and traceability uncertainty.

RD-23 Dytronic Single-phase Reference Standard
The Radian RD-23 may be the most accurate measurement instrument ever designed for field use. The RD-23 has a worst case accuracy of 0.01% for all measurement functions across its entire operating range, with a typical accuracy that is within traceability uncertainties.

RD-21 Dytronic Portable Reference Standard
The RD-21 has a typical accuracy of 0.005% with a maximum worst case accuracy of 0.02% for all measurement functions across its entire voltage and current operating range.

For more information, visit www.radianresearch.com, call (416) 490-6546 or email sales@langford-assoc.com.