Riken Instrumentation Ltd offers Aries Data Logging Power Monitor. Riken Instrumentation Ltd. Is an ISO 9001: 2000 certified company. The Aries Data logging Power Monitor or Aries 3300 is a multi function power energy monitor with data logging facility. This Power Monitor has cumulative energies [KWh, KVArh, KVAh] and it is microcontroller based. This Data logging Power Monitor has instantaneous parameters [V, I, Cos Ø, Hz, kVA, kVAr], RS 485 Modbus, Programmable CT/PT rations and Instantaneous Parameters for Integration period [15 min] stored for 7 days. This monitor is confirming to BIS 14697: 99/IEC: 10687.