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.
- 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.
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)
| Type | Nominal system voltage range Un | Supply voltage US | Art. No. |
|---|---|---|---|
| isoNAV685-D-B | offline | AC 24…240 V; 50…400 Hz / DC 24…240 V | B91067024 |
Optional Accessories for ISOMETER® isoNAV685-D-B
| Type designation | Art. No. |
|---|---|
| A set of screw terminals* | B91067901 |
| A set of push-wire terminals | B91067902 |
| Enclosure accessories (terminal cover, 2 mounting clips)* | B91067903 |
* included in the scope of delivery
Possible measuring instruments on request!
