Interfaces OWH9830 RS232OWH9811 RS232The measurement mode for OWH9811 is single phase The measurement mode for OWH9830 is three phase Specifications Display 3 96 inch TFT LCDCurrent Resolution 0 001AVoltage Resolution 0 01V 0 1VPower Resolution 0 01W 0 1W 1WPower Supply AC 100V 240V 50 60HzDimensions 295mm W x 110mm H x 235mm L Weight 1 3kgFeatures 1 High Precision Measurement 10 channel measurement ensures precise energy monitoring across multiple parameters 2 Compact Design Lightweight at 1 3kg and space efficient dimensions fit versatile setups 3 Enhanced Display 3 96 inch TFT LCD offers crystal clear readings at a glance 4 Multiple Connectivity Options Interfaces include RS232 or RS485 for integration into advanced systems 5 Wide Compatibility Acceptable input power ranges from 100V to 240V accommodating varied environments Package Included 1 x Main Unit1 x Power Cord1 x User Manual1 x Banana to Alligator Clip