RS-485, Modbus RTU Wall-mounted TH-sensor
WB-MSW v.4 TH
Temperature, humidity
WB-MSW v.4 TH
$74.14
Retail price
In stock 239 pcs. ,
  • 239 pieces are already at the warehouse
  • 500 more in 2-3 months

Combined digital sensor for temperature and humidity.

A wireless version: WB-MSW-ZIGBEE v.4.

Main characteristics

Advantages
  • 2 measured parameters in one housing.
  • Heated temperature and humidity sensor for operation in high humidity conditions.
  • Fast and simple integration into the automation and monitoring system.
  • It is possible to apply your company logo.

Supports Fast Modbus, allowing motion sensor events to be instantly delivered to the Wiren Board controller.

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Hardware

Measured parameters:

  • Temperature: -40°С…+80°С (±0.5°С).
  • Humidity: 0…95% (±3%).
  • Two-color indication controlled via Modbus.
  • Sensor heating for operation in high humidity conditions.
  • Supply voltage: 9 to 28 VDC.
  • Power consumption: from 0.5 to 4 W.
  • Interface: RS-485, Modbus RTU.
  • Plastic case with the possibility of mounting on a socket box (80x80x19 mm).
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Fast Modbus support

All Wiren Board devices, in addition to the standard Modbus RTU, can work with its extension Fast Modbus ⚡, which adds new features:

  • instant polling of input states and measured values via events;
  • quick search for devices connected to the controller;
  • resolving address collisions on the bus.

Additional features are enabled automatically — if the device supports the extension, the controller driver will use Fast Modbus. If the device does not support the extension, it will operate over standard Modbus RTU.

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Quality control at every stage of production

We develop and manufacture all Wiren Board devices ourselves. All devices undergo multi-stage quality control:

  • During development — checking components and testing prototypes under extreme conditions.
  • After SMD component installation — automated optical inspection.
  • After soldering lead components — visual inspection.
  • After assembly — functional testing on an automated test stand.
  • Before shipment — verification of completeness, labels, and appearance.

Thanks to this approach, the failure rate is less than 0.5%. Read more in the article About device reliability .

If a device fails within two years from the date of purchase, we will replace it free of charge without the need to send it to a service center.

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Setup

When used with a Wiren Board controller, you can configure the device in the web interface using a mouse:

  • Enable or disable parameter polling.

When used with other equipment, the sensor can be configured via RS-485 by writing values to Modbus registers. The register table is open, well-documented, and available on our website.

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Readings

If a Wiren Board controller is used, measured values are available in the controller's web interface and can be used in automation scripts or transferred to a higher-level system. Only enabled channels are shown in the device card.

The module also transmits all data over Modbus RTU (RS-485), which can be read by any equipment or software that supports the protocol: third-party controllers, HMI panels, or SCADA.

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Legal purchase terms

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