ISOMETER® isoHR685W

10 GΩ measurement
Integrated web server and Modbus TCP communication
Early detection enhances operational safety and maintenance planning possibilities.
Synchronisation in systems coupled via capacitances
High adaptability to systems with different properties

The ISOMETER® is an insulation monitoring devices in accordance with IEC 61557-8 for IT systems. The devices are universally applicable in AC, 3(N)AC, AC/DC and DC systems. AC systems may include extensive DC-supplied loads (such as rectifiers, inverters, variablespeed drives).

A measuring range of up to 10 GΩ allows the trend of the insulation level to be recognized at an early stage. Therefore, the ISOMETER® is predestined for monitoring subsea cables in the oil and gas industry.

Questions? Contact us!

10 GΩ measurement
Integrated web server and Modbus TCP communication
Early detection enhances operational safety and maintenance planning possibilities.
Synchronisation in systems coupled via capacitances
High adaptability to systems with different properties

The ISOMETER® is an insulation monitoring devices in accordance with IEC 61557-8 for IT systems. The devices are universally applicable in AC, 3(N)AC, AC/DC and DC systems. AC systems may include extensive DC-supplied loads (such as rectifiers, inverters, variablespeed drives).

A measuring range of up to 10 GΩ allows the trend of the insulation level to be recognized at an early stage. Therefore, the ISOMETER® is predestined for monitoring subsea cables in the oil and gas industry.

Questions? Contact us!

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…3 GΩ for alarm 1 and alarm 2
High-resolution graphic LC display for excellent readability and recording of the device status
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
Current or voltage output 0(4)…20 mA, 0…400 μA, 0…10 V, 2…10 V (galvanically separated), which is analogous to the measured insulation value of the system

Freely programmable digital inputs and outputs
Remote setting via the Internet or Intranet (Webserver/Option: COMTRAXX® Gateway).
Remote diagnosis via the Internet (made available by Bender Service only)
isoData: Continuous uninterrupted data transmission
isoSync: Timely synchronization of measurement processes
RS-485/BS (Bender sensor bus) for data exchange with other Bender devices via Modbus RTU protocol
BCOM, Modbus TCP und web server
ISOnet: Internal separation of the ISOMETER® from the IT system to be monitored (e.g. if several IT systems are interconnected)
ISOnet priority: Permanent priority of a device within the network
ISOloop: Special function for ring systems (all systems are coupled)

Applications

AC, DC or AC/DC main circuits
AC/DC main circuits with directly connected DC components, such as rectifiers, converters, variable-speed drives
UPS systems, battery systems
Heaters with phase control
Systems including switch-mode power supplies
Coupled IT systems with high leakage capacitances
Monitoring of long capacitive coupled lines
Monitoring of submarine cables