Description
BENDER IS0685-D Insulation Monitoring Device
Product Dimensions:
The Bender ISOMETER® ISO685-D is a high-performance insulation monitoring device designed for unearthed systems (IT systems). It is part of Bender’s flagship series, known for its advanced diagnostic capabilities and reliability in complex industrial environments.
Here is the detailed breakdown of the product:
## Product Overview
The ISO685-D monitors the insulation resistance of IT systems in accordance with IEC 61557-8. It is specifically engineered to handle modern power electronics, such as large frequency converters and DC drives, which often introduce high system leakage capacitances.
### Key Features
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Integrated Display: The “-D” version includes a high-resolution LC display for real-time monitoring.
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AMP Plus Measurement: Uses a patented measurement method that adapts to system interference and high capacitance.
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Fault Location: Works in tandem with insulation fault location systems (EDS).
## Technical Parameters
| Feature | Specification |
| Nominal Voltage Range ($U_n$) | AC 0–690 V / DC 0–1000 V |
| Supply Voltage ($U_s$) | AC/DC 24–240 V |
| Frequency Range | DC, 15–460 Hz |
| Measurement Range ($R_F$) | 1 kΩ to 10 MΩ |
| System Leakage Capacitance ($C_e$) | Up to 1000 μF |
| Communication | Modbus TCP, SNMP, BCOM, Web Server |
| Relay Outputs | 2 changeover contacts (Alarm 1 & 2) |
## Product Advantages
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Future-Proof Connectivity: Built-in Ethernet and a web server allow for remote monitoring and parameter setting via a standard browser.
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High Interference Immunity: The AMP Plus technology ensures accurate readings even in systems with significant harmonic distortion or DC components.
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Trend Analysis: It records insulation history, allowing maintenance teams to predict failures before they cause a shutdown.
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Ease of Commissioning: Features predefined profiles for various application types (e.g., motors, power supplies).
## Important Precautions (Notes)
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Single IT System Only: One ISOMETER® must be used per galvanically connected IT system. Connecting two monitors to the same system will cause interference.
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Voltage Limits: Ensure the system voltage does not exceed the rated $U_n$. For higher voltages (up to 12 kV), a coupling device (e.g., AGH series) is required.
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Wiring Integrity: The connection to the PE (earth) and the monitored system must be kept as short as possible and securely fastened.
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Functional Testing: It is recommended to use the internal “Test” button regularly to verify the device’s measurement circuitry.
## Common Applications
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Industrial Automation: Systems driven by variable frequency drives (VFDs).
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Renewable Energy: Large-scale solar (PV) installations and wind turbines.
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Maritime/Offshore: Power systems on ships and oil rigs where continuity of service is critical.
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Mining: Protecting personnel and equipment in harsh, unearthed electrical environments.
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Data Centers: Monitoring the reliability of UPS systems.
Shipping Port: Xiamen, China
Payment: Bank of Chicago, Bank of Singapore
Express cooperation: fedex, DHL, UPS and your express account
Service: Professional Sales provides 24 hours /7 days online service
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