Leading Manufacturer of Electric Metering Test Equipment and Software. Serves North American and worldwide Electric Utilities, Meter Manufacturers, and Independent Testing Companies. Traceable accuracy specification for all meter test equipment including shop, van mounted, and portable models. Portable test equipment can test complete metering sites including transformer burden/ratio, power quality, phase measurement, and harmonics. Highly optimized software with custom record keeping for all equipment and large "whole shop" systems.

Watthour Engineering Co., Inc.

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