Key Features of ISOMETER® iso685-D-B

• Monitoring Range:
  • AC: 0–690 V (1–460 Hz)
  • DC: 0–1000 V
• Supply Voltage: AC/DC 24–240 V (50–400 Hz)
• Display: Integrated high-resolution graphic LC display
• Communication:
  • Modbus TCP/RTU
  • RS-485 (Bender sensor bus)
  • Integrated web server for remote access
• Measurement Capabilities:
  • Insulation resistance
  • Voltage
  • Capacitance
  • Frequency
• Advanced Features:
  • Predefined measurement profiles
  • Automatic adaptation to system leakage capacitance
  • Graphical insulation resistance trend (isoGraph)
  • History memory with real-time clock (stores up to 1023 alarms)
  • Analog outputs (0–20 mA, 0–10 V, etc.)
  • Freely programmable digital I/Os

 Applications

• IT systems with rectifiers, inverters, or variable-speed drives
• UPS and battery systems
• Systems with switch-mode power supplies
• Coupled IT systems with high leakage capacitance