- D000134 – APP GUIDE – IEC61000-4-7 Harmonic and Interharmonic grouping
- D000198 – APP GUIDE – PPA Series Calibration Guide
- D000199 – APP GUIDE – Current transducer cabling principles
- D000270 – APP GUIDE – PSM17xx/3750+IAI compensation
- D000288 – APP GUIDE – LCR 4 wire to 2 wire conversion
- D000491 - APP GUIDE – PPA Phase Conventions
