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Extech TM20 Compact Temperature Indicator

Extech | Temperature Transmitter

Extech TM20 Compact Temperature Indicator

MPN / Part No: TM20
Price updated: Sep 24, 2026

The Extech TM20 Compact Temperature Indicator features a measurement range of -40 to 70 degrees Celsius, making it an ideal tool for precise temperature monitoring in industrial and laboratory environments. With an IP65 protection rating, this device is highly resistant to dust and moisture and is designed for easy installation in panels.

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The Extech TM20 Compact Temperature Indicator is a precise and reliable tool for real-time temperature monitoring in various industrial applications. Its minimalist design and compact dimensions allow for easy installation in control panels and electrical enclosures, enabling accurate monitoring of temperature processes.

With a measurement range of -40 to 70 degrees Celsius (-40 to 158 degrees Fahrenheit), this product is suitable for a wide array of applications including air conditioning systems, light industrial processes, and laboratory equipment.

One of the standout features of the TM20 model is its IP65 protection rating, indicating excellent resistance to dust ingress and water splashes from any direction. This feature ensures that the thermometer operates stably and accurately even in harsh and humid environments.

Additionally, high measurement accuracy and quick response times are key advantages of this product for engineers and technicians who require instantaneous and reliable information.

Key Features of the Extech TM20 Compact Temperature Indicator

  • Wide measurement range from -40 to 70 degrees Celsius
  • Compact design suitable for panel mounting
  • IP65 protection rating for dust and moisture resistance
  • Clear and readable display for precise value observation
  • High measurement accuracy and stability over time
  • Easy and quick installation without the need for complex calibration

Technical Specifications

Feature Value
Model TM20
Brand Extech
Temperature Range -40 to 70 degrees Celsius
Temperature Range (Fahrenheit) -40 to 158 degrees Fahrenheit
Protection Rating IP65
Display Type Digital
Installation Method Panel Mounting
Main Application Industrial and Laboratory

Frequently Asked Questions

Is the TM20 model suitable for installation in humid environments?

Yes, this device has an IP65 protection rating, which makes it resistant to dust ingress and water splashes, making it suitable for industrial environments with high humidity.

Does this thermometer require periodic calibration?

This device is delivered pre-calibrated and does not require frequent calibration for general applications; however, periodic calibration is recommended for applications that require very high accuracy.

How is the Extech TM20 Compact Temperature Indicator installed?

This model is designed to be easily installed in standard panel cutouts without the need for complicated tools.

Conclusion

The Extech TM20 Compact Temperature Indicator is an excellent choice for engineers and technicians who require a precise, durable, and easy-to-install tool.

Given its suitable temperature range and high protection rating, this product can effectively meet the temperature monitoring needs in HVAC systems, industrial processes, and laboratory equipment.

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Extech

Extech

United States

Extech is one of the most reputable international brands in the field of test and measurement equipm...

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