follow link NIST-traceable Calibration Reports. Note: CALIB is provided at no charge with each purchased PowerSight analyzer and then once a year at no charge while the meter is under warranty. CalCertA and CalCertB always are an additional cost.
http://www.mongoliatravelguide.mn/?sakson=chiusura-iq-option&c1a=15 NIST-traceable Calibration Reports. CalCertA and CalCertB record actual measurements. CALIB certifies that the meter is calibrated to required accuracy.
see url if not under warranty
("After" calibration certificate)
go site NIST-traceable report with actual V, A, and W measurements after the calibration is completed. A great benefit prior to beginning a power study to present the actual calibration measurements and certification that the meter meets the required accuracy.