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Bender ISOMETER isoRW425 Quick Start

Bender ISOMETER isoRW425
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Quickstart ENisoRW425_D00052_04_Q_XXEN / 03.2019
ISOMETER® isoRW425
Insulation monitoring device for unearthed
IT AC-, AC/DC and DC systems (IT systems)
for railway applications up to 3(N)AC, AC/DC 440 V
Software version: D0418 V2.xx

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Bender ISOMETER isoRW425 Specifications

General IconGeneral
Measurement PrincipleInsulation monitoring device for unearthed AC and DC systems
Resolution1 kΩ
Test Voltage> DC 30 V
DisplayMultilingual plain text display
Operating Temperature-10°C to +55°C
Power SupplyAC/DC 24 V to 265 V
WeightApprox. 270 g
Automatic adaptation to the system leakage capacitanceYes
Two separately adjustable response valuesYes
N/C or N/O operation selectableYes
Automatic device self testYes
Connection monitoring (L1-PE, N-PE)Yes
Modbus RTU interfaceYes
History memory with real-time clockYes
Parameterisation via display, PC or ModbusYes
Measurement range0-10 MΩ

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