0.5% measurement accuracy enables more reliable plug load energy data "Meter Mode" provides instant viewing of real-time plug load variables Provides time-stamped and totalized load data for detailed energy analysis Large memory enables faster logging intervals for more comprehensive plug load profiles Battery back-up ensures logged data remains intact in the event of a power outage or load failure HOBO by Onset UX120-018 0.5% measurement accuracy enables more reliable plug load energy data'Meter Mode' provides instant viewing of real-time plug load variablesProvides time-stamped and totalized load data for detailed energy analysisLarge memory enables faster logging intervals for more comprehensive plug load profilesBattery back-up ensures logged data remains intact in the event of a power outage or load failure HOBO UX120 Plug Load Logger Onset's HOBO Plug Load Data Logger is a high-accuracy, easy-to-deploy data logger that measures and records the power and energy consumption of 120V plug loads from office equipment, vending machines, and other devices.Accurate and RuggedThe UL certified logger provides 0.5% measurement accuracy with a measurement resolution of 1 watt, making it an ideal choice for building audits where detailed energy use data is required. The rugged housing is designed to withstand the rigors of real-world handling, providing reliable performance despite bumps, drops, and use under desks.IMPORTANT: This HOBO data logger requires HOBOware software and a communications device.