257xR User's Guide - Xitron Technologies

Appendix D - Measurement Specifications 113POWER FACTORPF > 0.95 0.8 < PF < 0.95 PF < 0.850Hz 0.0006 0.0009 0.001460Hz 0.0007 0.001 0.0016400Hz 0.004 0.006 0.01Ballast Output Measurement AccuracyAll specifications are typical above 1MHzOptions HID or F limit specifications to a maximum frequency of 100KHz.Tube VoltageRMS MEASUREMENTS(0.1% + 0.005% per KHz) reading + 0.1V* + 0.001V per KHzAdd 2% reading for voltages > 400Vrms (not option M)* Change to 0.2V for option HID, 0.15V for option MExample—For a reading of 100V at 50KHz, the accuracy specification is—(0.1% + 0.005% x 50KHz) x 100V + 0.1V + 0.001V x 50KHz = 0.5VHARMONIC MEASUREMENTS# Harmonics: 10 (limited by 450KHz max. frequency)Accuracy:RMS measurement accuracy + 0.5% reading x harmonicPEAK MEASUREMENTSRMS measurement accuracy + 1V*Add 10V above 500Vpk (not option M)* Change to 2V for option HID, 1.5V for option MCREST FACTOR MEASUREMENTS0.01 + (1* / Vrms)Add 0.02 above 500Vpk (not option M)* Change to 2 for option HID, 1.5 for option MExample—For a Tube Voltage of 100Vrms, the accuracy specification is—