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Subtitle introduction,It can be replaced later, and is currently only for display purposes
SMT-TS20-Temperature sensor

SMT-001 Industrial Temperature Transmitter, 4-20mA / RS485 Output, High Accuracy ±0.5℃ RTD Sensor, IP65 Waterproof, 304 Stainless Steel Probe for Liquid & Gas (-50°C to 300°C)

It is a high-performance universal temperature transmitter that supports RTD signal inputs such as PT100 and converts them into standard 4-20mA or RS485 signals. Featuring high precision, anti-interference capabilities, and an IP65 protection rating, it is widely used for temperature monitoring in industrial pipelines, indoor environments, and non-hazardous areas.
  • Description
  • Specifications
  • Applications

 Product Introduction

This sensor utilizes the principle that sensing resistance varies with temperature; a dedicated processing unit converts this variation into a differential voltage signal, which is then processed by a specialized amplifier to output a standard analog or digital signal corresponding to the measured temperature range. Its compact design and availability in various connector types (such as Hirschmann connectors, aviation plugs, etc.) allow it to flexibly adapt to a wide range of industrial installation requirements.


 Key Features

  • Wide Voltage Supply:** Supports a 9–36 VDC power supply range.

  • High Accuracy:** Achieves an accuracy rating of ±0.5°C.

  • Interference Immunity:** Features lightning protection, high-frequency interference filtering, and reverse polarity/overvoltage protection.

  • Flexible Configuration:** Available with or without a display unit, and supports multiple process connection types (M20*1.5, G1/4, G1/2).

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Technical Specifications
ItemSpecification
Measuring MediaLiquid, Gas
Measuring Range-50 ~ 300 ℃ (Customizable up to 500 ℃)
Output Signal4-20mA, 0-5VDC, 0-10VDC, RS485
Power Supply9-36 VDC
Accuracy Class±0.5 ℃
Probe MaterialStainless Steel 304
Protection LevelIP65
Pressure Level10 MPa (Higher pressure limits can be customized)
Ambient Temperature-40 ~ 85 ℃
Stability±0.1% FS/Year
Process ConnectionM20*1.5, G1/4, G1/2 (Optional)


Application Areas

  • Temperature measurement within indoor pipes and cavities.

  • Industrial automation control systems.

  • HVAC system monitoring.

  • General industrial environments free from explosion hazards.


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