Our first revenue metering product is the SEL-734 Revenue Metering System. The SEL-734 is a transformer-rated, 4-quadrant, 0.2 Accuracy Class meter targeted at substation, generation, and industrial metering. The metering features of the SEL-734 are summarized below. ANSI C12.20 0.2 Accuracy Class, Four-quadrant: ±kWh, ±kVARh leading, ±kVARh lagging, Demand: block, rolling, thermal, Line and transformer loss compensation 35 days of 12-channel data at 5-minute intervals; longer records at up to 60-minute intervals, Time-of-day synchronized, Nonvolatile memory. Power Quality Monitoring Improve customer service by recording the time and duration of voltage sags, swells, and interruptions. Take corrective actions on high harmonic distortion.