Including non-uniform soiling losses Cell Wash Soiling Power Loss Measurement • Measures true soiling power loss on your PV module -including effects of non-uniform soiling - by comparing measured module power to expectations from clean reference cell(s) • Automatic reference cell washing with water spray • Measures any module in your array in-line - without disconnecting it from power production • Simple installation • Universal module input: up to 30 A, 250 V, 1500 W Complete System • Includes RDE300i (module IV and power measurement), RC22 (irradiance), Cell Wash (automatic cell washing) • Options for front-side only or front plus rear RC22 cells Automatic Washing • Cell Wash unit uses a water spray to clean your RC22 reference cells on a user-configurable schedule • Saves time for busy operations and maintenance personnel

SpecificationsSoiling Measurement Communication • Category Module-Cell: Compares • Physical Layer RS485 soiled module to clean reference cell(s) • Modules Up to 30 A, 250 V, 1500 W • Protocol Modbus RTU • Input Voltage 10-30 VDC • Data Formats 8N1, 8N2, 8E1, 8O1 Washing • Other ROHS, CE • Capacity 3-6 months Options • Frequency Every 1-2 days • Front Wash Front-side RC22 wash only • Temperature Washes at 5 C to 65 C • Front+Rear Wash Front & rear RC22 washing