otrfun wrote:
FWIW, the PI EMS is designed to disconnect power when voltage drops below 106 volts.
SoundGuy wrote:
104 vac is the stated low voltage threshold for the Progressive EMS units. That said, I've found PI calibration could be better and reset my own EMS-HW30C against a known calibrated meter.
otrfun wrote:
You're splitting hairs here.
Since PI's low voltage threshold cutoff voltage is 104 vac and TRC's is 102 vac, the latter of which many including myself feel is
too low, I'd have to disagree that this distinction is "splitting hairs". If I did I wouldn't have bothered recalibrating my own EMS-HW30C which as delivered was reading ~ 1.4 volts high and wouldn't actually disconnect until incoming source voltage dropped to ~ 102.5 volts which is too low for my own comfort level.
