isoNAV685-D-B Isolationsüberwachung für IT-Systeme
Product description
The ISOMETER isoNAV685-D-B is an insulation monitoring device in accordance with IEC 61557-8 for IT systems. It can be used universally in disconnected TN, TT or IT systems.
Main features:
- Offline monitoring
- 3 insulation levels monitored
- Modbus TCP
- Reduced measuring voltage
Features:
- Monitoring of the insulation resistance in switched-off systems.
- Automatic adaptation to the existing system leakage capacitance.
- AMPPLUS measuring method
- An adjustable response value in the range of 10 kΩ...1 MΩ (factory setting = 50 kΩ).
- Graphic LC display for easy reading and recording of the device status
- Earth connection monitoring.
- Automatic device self-test.
- Graphic display of the insulation curve over time (isoGraph)
- History memory with real-time clock (3-day buffer)
- Storage of 1023 alarm messages with date and time
- Freely programmable digital inputs and outputs
- Remote setting via the Internet or Intranet
- (web server/option: COMTRAXX Gateway)
- Worldwide remote diagnosis via the Internet
- BCOM, Modbus TCP and web server
