Smart Lightning Protection

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.

Insulation 0.1MΩ~10GΩ1~8 circuitsDAR/PIRS485 MODBUS/BluetoothOLED display

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

Insulation 0.1MΩ~10GΩ1~8 circuitsDAR/PIRS485 MODBUS/BluetoothOLED display

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

Perception LayerElectrical Parameters · Leakage Detection · Temperature · Arc · Lightning Current · SPD StatusEdge LayerEdge Gateway · Smart Circuit Breaker · Protocol Acquisition · Rule EnginePlatform LayerFEXLINK Cloud · W-Link · Device Access · Data StorageApplication LayerIndustrial AI Analysis · Virtual Power Plant · Energy Monitoring · Carbon Assets · Carbon-Neutral Park

Selection Guide

Select by range and circuit count.

Available Models

WSR-18100-R, WSR-18211-R, WSR-18211-B.

ModelInsulation range
WSR-18100-R0.1MΩ~10GΩ
WSR-18211-R0.1MΩ~20GΩ
WSR-18211-B0.1MΩ~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 range0.1MΩ~10GΩ / 0.1MΩ~20GΩ
Output voltage500V fixed / 50/100/250/500V adj. + custom
Circuits1~8
Accuracy0.1M~1GΩ ±5%rdg±5dgt; 1~10GΩ ±10%; 10~20GΩ ±15%
PowerDC12~24V
CommunicationRS485 MODBUS / Bluetooth
Dimensions169×104×73mm

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

The WSR Online Insulation Resistance Monitor (models: WSR-18100-R / WSR-18211-R / WSR-18211-B) is a FEXLINK product for online insulation-condition monitoring, supporting multi-circuit insulation measurement, DAR/PI calculation and RS485/Bluetooth communication.
Insulation range 0.1MΩ~10GΩ (WSR-18100)/0.1MΩ~20GΩ (WSR-18211); output 500V fixed or 50/100/250/500V adjustable; 1~8 circuits; DC12~24V; RS485 MODBUS and Bluetooth.
It is suitable for online insulation monitoring of cables, motors and switchgear, as well as distribution cabinets, computer rooms and industrial/mining enterprises.
A conventional insulation tester is a manual offline measurement; the WSR is designed for continuous online monitoring with multiple circuits, DAR/PI calculation and data upload, helping reveal insulation degradation trends.

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Learn MoreWSR Online Insulation Resistance Monitor Application Scenarios

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