Available in Single Phase Two Wire & Three Phase Four Wire, LagLead indication on the display, Universal Auxiliary Supply – 80 to 300V ACDC, Bright 4 digit 14 mm LED display, Measurement Range : Zero Lag – Unity- Zero Lead....
An optical power meter (OPM) is a device used measure the power in an optical signal. The term usually refers to a device for testing average power in fiber optic systems...