Function: measure and display the single/three phase active power?reactive power in the electric lines with digital direct reading method. Both 3 phase 3 wire and 3 phase 4 wire signal input method are allowed. There are programmable keys on the panel, which can program and set parameters including transformer rate?upper and lower limit alarm value?communication address of the meter?communication baud rate?transmitting output method?transmitting output range, etc.

• PS(Q)7777 digital panel meters