MODEL NO. DIMENSIONS (MM) AUX VOLTAGE DIGITS VOLTAGE RANGE RESOLUTION PM-64 VA 48X96X65 STANDARD 180 TO 250 VAC ON DEMAND 12/24/48 VDC 110 VAC 31/2 DIGITS SIZE 0.56” 0 TO 750 VAC 1 VOLT PM 14 VA 96X96X70 PM 34 VA 72X72X65