ISOMETER® isoNAV685-D-B

  • Offline monitoring
  • 3 insulation levels are monitored
  • Modbus TCP
  • Reduced measuring voltage

The ISOMETER® isoNAV685-D-B is an insulation monitoring device for IT systems in accordance with IEC 61557-8. It is universally applicable in de-energised TN, TT or IT systems.

Questions? Contact us!

ISOMETER® isoNAV685-D-B
ISOMETER® isoNAV685-D-B
  • Offline monitoring
  • 3 insulation levels are monitored
  • Modbus TCP
  • Reduced measuring voltage

The ISOMETER® isoNAV685-D-B is an insulation monitoring device for IT systems in accordance with IEC 61557-8. It is universally applicable in de-energised TN, TT or IT systems.

Questions? Contact us!

Features

  • ISOMETER® to monitor the insulation resistance in de-energised systems
  • Automatic adaptation to the existing system leakage capacitance
  • AMPPLUS measurement method
  • An adjustable response value in the range 10 kΩ…1 MΩ (factory setting = 50 kΩ)
  • High-resolution graphic LC display for excellent readability and recording of the device status
  • Earth connection monitoring
  • Automatic device self test
  • Graphical representation of the insulation resistance over time (isoGraph)
  • History memory with real-time clock (buffer for three days) for storing 1023 alarm messages with date and time
  • Freely programmable digital inputs and outputs
  • Remote setting via the Internet or Intranet (Webserver/Option: COMTRAXX® Gateway)
  • Worldwide remote diagnosis via the Internet
  • BCOM, Modbus TCP and web server

Applications

  • Monitoring of de-energised loads and systems

ISOMETER® isoNAV685-D-B Variant(s)

TypeNominal system voltage range UnSupply voltage USArt. No.
isoNAV685-D-BofflineAC 24…240 V; 50…400 Hz /
DC 24…240 V
B91067024

Optional Accessories for ISOMETER® isoNAV685-D-B

Type designationArt. No.
A set of screw terminals*B91067901
A set of push-wire terminalsB91067902
Enclosure accessories (terminal cover, 2 mounting clips)*B91067903

* included in the scope of delivery
Possible measuring instruments on request!

Downloads for ISOMETER® isoNAV685-D-B

NameCategorySizeLanguageTimestampD-/B-Number
UKCA - iso685 Declarations of Conformity 140.4 KB 2023/07/1414.07.2023
TÜV NORD - isox685x and FP200x Certificates 415.9 KB EN2023/10/1111.10.2023
TÜV NORD - isox685x und FP200x Certificates 436.6 KB DE2023/10/1111.10.2023
iso685 CE Declarations of conformity 87.5 KB 2023/07/1414.07.2023
isoNAV685-D-B Quickstarts 1.6 MB DE2019/05/1313.05.2019D00264
isoNAV685-D-B Quickstarts 1.6 MB EN2019/05/1313.05.2019D00264
isoNAV685-D-B Manuals 2.6 MB DE2020/09/0404.09.2020D00264
isoNAV685-D-B Manuals 2.5 MB EN2019/05/1313.05.2019D00264
isoNAV685-D-B Datasheets 1.8 MB DE2021/03/1111.03.2021D00264
isoNAV685-D-B Datasheets 1.7 MB EN2021/03/1111.03.2021D00264
isoNAV685-D-B Datasheets 1.8 MB ES2021/03/1111.03.2021D00264
isoNAV685-D-B Datasheets 1.9 MB FR2021/04/2121.04.2021D00264
Insulation monitoring in earthed wind powered energy plants with the isoNAV685-D-B Market Segment Brochures 2.0 MB EN2019/05/1313.05.2019D00264
Isolationsüberwachung in geerdet betriebenen Windenergieanlagen mit isoNAV685-D-B Market Segment Brochures 2.9 MB DE2019/05/1313.05.2019D00264
iso685 Product Brochures 1.8 MB DE2019/05/1313.05.2019D00022
iso685 Product Brochures 1.8 MB EN2019/05/1313.05.2019D00022
iso685 Product Brochures 1.8 MB ES2019/05/1313.05.2019D00022