HIOKI PW3198 is a high power quality analyzer that has LAN,USB and also SD card interfaces. It also has the wide range of low voltages which is up to 1300V and a maximum of 6000V for overvoltage which is 700KHz.It has a high accuracy and continuous gapless recording to make an optionless GPS BOX structure for synchronizing multiple devices in it. Incoming power lines is safe enough for CAT IV 600V