ISOMETER® isoPV1685DP

• Insulation monitoring device for AC 1000 V and DC 1500 V IT systems

• Application main circuits with connected frequency converters

• Separately adjustable response values 200 Ω…1 MΩ

• Display and control function for EDS insulation fault location systems

• Can be extended to operate as an insulation fault location system

The ISOMETER® isoxx1685DP is used for insulation monitoring of extensive IT systems. The specially developed measurement method monitors the insulation resistance also in installations where extremely high system leakage capacitances against earth exist due to interference suppression methods. Adaptation to system-related high leakage capacitances also occurs automatically.

The ISOMETER® iso1685DP generates locating current pulses required for insulation fault location. That allows the localisation of the insulation fault using permanently installed or mobile insulation fault locators.

Features

- ISOMETER® for IT AC systems with galvanically connected rectifiers or inverters and for IT DC systems (IT = unearthed systems)

- Automatic adaptation to the existing system leakage capacitance

- Combination of AMP Plus and other profile-specific measurement methods

- Two separately adjustable response value ranges of 1 kΩ…10 MΩ for Alarm 1 and Alarm 2

- High-resolution graphical LC display

- Connection monitoring (monitoring of the measuring lines)

- 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 (COMTRAXX® gateway)

- Worldwide remote diagnosis via the Internet (made available by Bender Service only)

- RS-485 interface for data exchange to other Bender devices

Applications

- Extensive systems up to AC 2000 V/DC 3000 V which are designed as IT systems

- Low-resistance applications from 20 Ω