Measuring Voltage 0~600V or Current 0~10A
  for DC / AC / TRMS

   User function, Easily programmable via the
  front panel.

   4 relay for Hi / Lo / Go / DO energized with
  Start Delay / Hysteresis / Energized &
  De-energized Delay / Relay Energized Hold
  functions.

   4 banks pre-set for all relay functions
  relative 4 difference scaling, and
  selectable by 3 External Control
  Input(E.C.I.) or front key.

   Analogue output and RS 485 communication
  port in option.