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Home / Computer Hardware, Monitors & Peripherals / Multi-Channel Temperature Acquisition Communication Module RS485 Temperature Sensor with 18B20 Probe Transmitter Serial Logger

Attributes

Brand -
Category Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals
Origin -
Communication Interface RS485 (2-wire)
Sensor Compatibility DS18B20 Digital Temperature Probes
Input Channels 8 Independent Channels
Power Input DC 9V to 24V
Operating Temperature Range -40°C to 85°C
Protocol Support Modbus RTU
Storage Expansion MicroSD Card Slot (Up to 32GB)
Probe Cable Length 2 Meters (Standard)
Measurement Accuracy ±0.5°C
Enclosure Material ABS Plastic with DIN Rail Mount

5 reviews

A

Anonymous

Mar 13, 2026

Rating: 5/5

Perfect for my server room

Easy to set up with our existing PLC. The accuracy is consistent across all 8 channels. Highly recommend for IT infrastructure monitoring.

A

Anonymous

Mar 07, 2026

Rating: 5/5

Solid industrial module

We deployed this in our warehouse for environmental monitoring. The RS485 connection is stable and the data logging to SD card is a great backup feature.

A

Anonymous

Feb 27, 2026

Rating: 5/5

Great support team

Had a question about power consumption and the support team responded within hours. The module itself runs cool and fits perfectly on the DIN rail.

A

Anonymous

Feb 19, 2026

Rating: 4/5

Works well, setup took time

The hardware is robust and readings are accurate. Documentation could be more detailed regarding Modbus register mapping, but support helped me out.

A

Anonymous

Feb 02, 2026

Rating: 5/5

Accurate readings

Compared this against a calibrated thermometer and it was spot on. The waterproof probes are high quality and the cables are flexible.

5 FAQ

Q: Does the package include a power supply?

A: No, the package includes the module and probes only. A standard 12V DC power adapter is required separately.

Q: Is there software for Linux?

A: The configuration tool is Windows-based, but the device communicates via standard Modbus RTU which is fully compatible with Linux scripts.

Q: What format is the logged data saved in?

A: Data logged to the MicroSD card is saved in CSV format, which can be opened in Excel or most spreadsheet applications.

Q: What is the maximum cable length for the probes?

A: We recommend keeping DS18B20 probe cables under 10 meters to ensure stable digital communication.

Q: Can I change the Modbus address?

A: Yes, the Modbus slave address is configurable via the provided software tool or serial commands.

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