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Extech 42280A Desktop RH and Temperature Data Logger

Extech | Humidity Meter

Extech 42280A Desktop RH and Temperature Data Logger

MPN / Part No: 42280A
Price updated: Sep 24, 2026

The Extech 42280A Desktop Temperature and Humidity Data Logger is an ideal tool for accurately recording environmental data and for direct connection to a computer, making it perfect for monitoring environmental conditions in laboratories and warehouses. This device, equipped with high-precision internal sensors and dedicated software, allows for professional analysis and reporting of humidity and temperature variations.

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The Extech 42280A Desktop Temperature and Humidity Data Logger is a precise and reliable instrument for continuous monitoring of environmental conditions, designed for industries sensitive to humidity and temperature.

This device utilizes high-quality internal sensors, providing the ability to accurately measure relative humidity and temperature across a wide range, and it allows for data transfer in real-time or after the logging process through a USB connection to a computer.

These features make this model a comprehensive solution for quality control and environmental safety in various work environments.

Applications of this device include monitoring pharmaceutical warehouses, quality control laboratories, server rooms, and manufacturing environments where temperature and humidity stability is critical.

The dedicated software provided by Extech allows users to analyze the recorded data and prepare detailed reports.

This capability assists quality managers and engineers in ensuring environmental compliance with international standards and preventing damage caused by sudden changes in environmental conditions.

 

Key Features of the Extech 42280A Desktop Temperature and Humidity Data Logger

  • High-precision temperature and humidity data logging with adjustable sampling intervals
  • Easy connection to a computer via USB interface for data transfer and device control
  • Large LCD display for real-time viewing of temperature and humidity values
  • Dedicated software for data analysis, graphing, and standard report generation
  • Compact desktop design suitable for placement on a workbench or warehouse shelf
  • Audible or visual alarms when values exceed set limits

 

Technical Specifications

Feature Value
Model 42280A
Device Type Desktop Temperature and Humidity Data Logger
Humidity Measurement Range 0 to 100 percent RH
Temperature Measurement Range 0 to 50 degrees Celsius
Humidity Measurement Accuracy ±3.5 percent RH
Temperature Measurement Accuracy ±0.5 degrees Celsius
Communication Interface USB
Display LCD
Software Includes data analysis software

 

Frequently Asked Questions

Does this device have data storage capability without being connected to a computer?

Yes, the 42280A device has internal memory that stores temperature and humidity data at set intervals, and after the logging process, you can transfer the data to a computer via USB.

Is there a possibility to recalibrate the sensors of the Extech 42280A Desktop Temperature and Humidity Data Logger?

Yes, the sensors in this device are calibratable, and it is recommended that they be periodically checked and adjusted by certified calibration centers to maintain long-term accuracy.

What types of industries is this device most suitable for?

This data logger is ideal for industries that are highly sensitive to environmental conditions, such as pharmaceuticals, laboratories, food storage warehouses, and server rooms.

 

Conclusion

The Extech 42280A Desktop Temperature and Humidity Data Logger, combining high accuracy, ease of use, and advanced software capabilities, is a smart choice for organizations that require precise environmental control.

This product helps you maintain your quality standards by providing accurate reports and comprehensive analyses, preventing issues arising from environmental fluctuations.

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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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