The RC22 PV Reference Cell (810290) is the first PV reference cell specifically optimized for irradiance measurement in both monofacial and bifacial PV systems. 

Key features include:

  • Compact size & integrated mounting features
  • Simplified mounting on front or rear of array
  • Calibrated at both 1000 W/m2 (STC) and 135 W/m2 (BSTC)
  • High and low scales with auto-ranging, for measurements at front or rear irradiance levels
  • Unique glass-to-edge feature allowing water roll-off, eliminating excess soiling vs. conventional cells
  • M12 connection port with five-pin pinout for power and communication
  • Digital output via Modbus RTU protocol over RS485
  • Over-molded connectors available in multiple lengths
  • IP67-rated for outdoor use

Click the link at the bottom of the page  to download the latest version of the RC22 User Guide, document 880095.