WSR Online Insulation Resistance Monitor
WSR-18100-R / WSR-18211-R / WSR-18211-B
Online insulation-condition monitoring for cables, motors and switchgear, supporting 1~8 circuits, 500V fixed or 50/100/250/500V adjustable output, dielectric absorption ratio / polarisation index calculation and RS485/Bluetooth communication.
WSR Online Insulation Resistance Monitor
WSR-18100-R / WSR-18211-R / WSR-18211-B
Product Overview
The WSR Online Insulation Resistance Monitor provides online insulation-condition monitoring for cables, motors and switchgear, supporting 1~8 circuits with 500V fixed or 50/100/250/500V adjustable output, DAR/PI calculation and RS485 MODBUS/Bluetooth communication, suitable for distribution cabinets, computer rooms and industrial/mining enterprises.
Core Capabilities
Supports 1~8 circuit online insulation monitoring. Range 0.1MΩ~10GΩ (WSR-18100)/0.1MΩ~20GΩ (WSR-18211). DAR/PI calculation, RS485 MODBUS/Bluetooth, OLED display.
Data Generated
Product Features
Multi-Circuit Online Monitoring
A single unit supports 1~8 circuit insulation monitoring, covering multi-circuit distribution scenarios.
Wide Range, High Accuracy
Insulation range up to 0.1MΩ~20GΩ, with accuracy specified per range segment.
DAR / PI
Supports dielectric absorption ratio and polarisation index to help assess moisture and degradation.
Multiple Communication
RS485 MODBUS and Bluetooth communication with local OLED display.
System Topology
Selection Guide
Select by range and circuit count.
Available Models
WSR-18100-R, WSR-18211-R, WSR-18211-B.
| Model | Insulation range |
| WSR-18100-R | 0.1MΩ~10GΩ |
| WSR-18211-R | 0.1MΩ~20GΩ |
| WSR-18211-B | 0.1MΩ~20GΩ (Bluetooth) |
Technical Parameters
Basic Parameters
Output 500V fixed / 50/100/250/500V adjustable + custom; 1~8 circuits; power DC12~24V; RS485 MODBUS/Bluetooth; dimensions 169×104×73mm.
| Insulation range | 0.1MΩ~10GΩ / 0.1MΩ~20GΩ |
| Output voltage | 500V fixed / 50/100/250/500V adj. + custom |
| Circuits | 1~8 |
| Accuracy | 0.1M~1GΩ ±5%rdg±5dgt; 1~10GΩ ±10%; 10~20GΩ ±15% |
| Power | DC12~24V |
| Communication | RS485 MODBUS / Bluetooth |
| Dimensions | 169×104×73mm |
Key Points
Definition: The WSR Online Insulation Resistance Monitor is a FEXLINK product for online insulation-condition monitoring. Core capabilities: 1~8 circuits, 0.1MΩ~20GΩ range, DAR/PI, RS485/Bluetooth. Applicable scenarios: online insulation monitoring of cables/motors/switchgear, distribution cabinets, computer rooms, industrial/mining enterprises. Related products: ESA all-element smart meter, ESC multi-circuit leakage controller, CW Edge Computing Gateway.
FAQ
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Learn MoreWSR Online Insulation Resistance Monitor Application Scenarios
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