BENDER ISO685-D Insulation Monitoring Device

Description

BENDER ISO685-D Insulation Monitoring Device

Product Dimensions：

The BENDER ISOMETER® ISO685-D is an advanced, high-performance insulation monitoring device designed for ungrounded AC, AC/DC, and DC systems (IT systems). It continuously monitors the insulation resistance of complex electrical networks, ensuring high operational reliability and safety.

Product Detailed Description

The ISO685-D belongs to the flagship ISOMETER® generation from BENDER. It uses the patented AMP Plus (Adaptive Measuring Pulse) measurement method, allowing it to accurately monitor systems even in the presence of modern power electronics, such as variable frequency drives (VFDs), inverters, and high leakage capacitances.

The “-D” variant features an integrated high-resolution graphical LC display and a user-friendly clear-text interface for immediate localized status monitoring and configuration.

Technical Parameters

Product Advantages

• Adaptive Measurement (AMP Plus): Automatically adapts to fluctuating system characteristics, shielding the unit from DC offsets and harmonic noise caused by frequency converters.
• Pre-warning and Main Alarms: Offers dual-stage alarm settings, allowing maintenance teams to address insulation degradation before a full system fault occurs.
• Integrated Webserver: Features an RJ45 Ethernet port that hosts a built-in webserver. This enables remote monitoring, parameters setup, and diagnostic data retrieval via a standard web browser without specialized software.
• Historical Data Logging: Stores a detailed event log and data history, allowing operators to plot insulation resistance over time to identify trends or intermittent faults.
• Built-in Fault Location Interface: Includes a control output to interface with insulation fault location systems (EDS series), drastically reducing the time required to find the physical location of an insulation breakdown.

Important Considerations (Precautions)

• Single IT System Connection: Only one insulation monitoring device may be connected to the same interconnected IT system. Connecting multiple units simultaneously will lead to measurement interference and false readings.
• High Voltage Testing (Megger): Before performing any high-voltage insulation tests on the power grid, the ISO685-D must be completely disconnected from the system to prevent permanent damage to its measuring inputs.
• Coupling Modules: For system voltages exceeding AC 690V or DC 1000V, a dedicated external coupling module (such as the AGH series) must be used.
• Grounding Connection: Ensure the connection to the functional earth (FE) and protective earth (PE) is secure and low-impedance; a faulty ground path invalidates the measurement readings.

Product Applications

The ISO685-D is ideal for critical industries where unexpected power shutdowns cannot be tolerated:

• Renewable Energy: Monitoring large photovoltaic solar arrays and wind turbine power generation circuits.
• Marine & Offshore: Ensuring the integrity of ungrounded electrical grids on ships, oil rigs, and vessel propulsion systems.
• Heavy Industry & Automation: Monitoring automated production lines, steel mills, and chemical plants operating with massive VFD deployments.
• Mining Operations: Safeguarding underground and open-pit electrical machinery and distribution networks.
• Data Centers & Transport: Protecting continuous power supplies (UPS systems) and railway infrastructure networks.

Shipping Port: Xiamen, China

Payment: Bank of Chicago, Bank of Singapore

Express cooperation: fedex, DHL, UPS and your express account

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