TQS3-I - MODBUS RS485 Interior Thermometer

TQS3-I - MODBUS RS485 Interior Thermometer
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Our Price:  £45.00(£54.00 Inc. VAT)

Temperature Inputs:  1


4 in stock, immediate despatch  

4 in stock, immediate despatch

The TQS3 are a low-cost range of RS485 thermometers available in either indoor, outdoor, proble or pipe fitting versions. Temperature measuring range is -55 to +125 C. The thermometers communicate via RS485 using MODBUS RTU protocol. The FREE Wix chart/data logging software is also available.

Special Offer:  Discounts of 7%, 10%, 12.5% and 15% are available when you order 10, 25, 50 and 100 items or more of this product.

  • Temperature sensor in a plastic casing made especially for indoor temperature measurement.
  • Temperature range -55 to +125°C.
  • 0.1 °C resolution
  • Accuracy ±0,5 °C from -10 to +85 °C, otherwise ±2 °C
  • Communication line RS485 - up to 32 devices can be connected on a single bus (even more when a repeater is used)
  • ModBus RTU protocols supported#
  • NEW - Add a TME-Multi for a Web Interface
  • 6-20V DC power - low power requirements (typically 2 mA)


TQS3 Module is a digital temperature sensor. It measures temperature within the range from -55°C to +125°C and sends the measured value directly in degrees Celsius. The TQS3 thermometer has a very low consumption and communicates via an RS485 bus line using the MODBUS protocol. These features enable connecting more sensors with a four-wire bus line containing an RS485 link and supply cable to the distance of up to 1200m.



Wix - FREE Powerful datalogging, charting and alarming sftware

  • Display of numeric values.
  • Viewing the colour column (ie bar graph) with colour according to the current value.
  • View the text of the current value.
  • View the chart - add several charts, add channels to a single chart
  • Datalogging - Save the history of measurement in a text file for further processing or evaluation.
  • Wix can monitor inputs against pre-set alarm limits;
    • Send alarm e-mail
    • Switching on output (relay) to Quido
    • Reset the counter (counter) input Quido
    • Send alarm text message by SMS (requires GSM MODEM)


User Manual >>

MODBUS Config Software >>

TQS Scanner Software >>

Wix Software Download >>


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