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Calculates operating costs of household appliances
Displays 8 important units of measure (voltage, current, watts, frequency, power factor, energy used (kwh), total cost and elapsed time)
Easy-to-read, dual lcd display
Built-in battery backup
Includes power meter and battery
The R5090 is an easy-to-use power meter that accurately measures power consumption of household appliances. Simply set the local utility rate in kilowatt-hours (kWh) and connect an appliance to start tracking cost. The R5090 can also be used to verify power quality by monitoring voltage, frequency and power factor.