"The DIRIS A40 is a multi-function meter for measuring electrical values in all LV\/HV voltage networks. All the parameters can be configured and displayed on its front panel and measuring and timing functions used.In addition DIRIS A40 has a function for correcting connection errors. Additional Plug in modules can be fitted to give extra functions to the meter.Multifunction Meters. Multi-measurement and metering (currents, voltages, frequency, active, reactive and apparent power, power factor). Direct Access keys. THD voltages and currents up to level 63, Individual Harmonics to Level 25. Programmable hour meter. Backlit LCD screen. Optional aditionnal modules. Pulse outputs. Alarm management . RJ485 Jbus\/Modbus or Profibus Communication . Ethernet Connection options available. 2 different power supply versions available:. - Stock no. 709-9675: 110-400 Vac \/ 120-350 Vdc. - Stock no. 709-9678: 12-48 VdcCutout Height = 92mmCutout Width = 92mmDisplay Type = LCDPulse Output = YesSeries = Diris A40"