For product sales information, please contact the product distributor; Ridley Engineering, Inc.

For more information, refer to Ridley Engineering's Application Notes on analyzer measurements for power systems.

For your support questions, contact AP Instruments at:

The product distributor, Ridley Engineering, can provide additional application support for your power systems measurement questions.

AP Instruments offers * NIST level calibration services, with data, on its analyzers.

The cost for a calibration is $250 plus shipping.

* For your convenience, AP Instruments accepts credit cards for calibrations, repairs and replacement parts.