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Extech RHT30 USB Humidity/Temperature Datalogger

Extech | Indoor Air Quality Tools

Extech RHT30 USB Humidity/Temperature Datalogger

MPN / Part No: RHT30
Price updated: Sep 24, 2026

The Extech RHT30 USB Humidity and Temperature Datalogger with the capability to store 48,000 readings and a USB interface is a precise tool for monitoring environmental conditions in office and industrial settings. This device records temperature and humidity variations with high accuracy and provides data analysis through proprietary software.

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The Extech RHT30 USB Humidity and Temperature Datalogger is an advanced and portable tool for continuous monitoring of environmental parameters specifically designed for accurately recording temperature and humidity data.

With its powerful internal memory, this device can store 48,000 readings (including 24,000 points for temperature and 24,000 points for humidity), providing long-term monitoring without the need for frequent data offloading.

The easy connection via USB to a computer facilitates quick data transfer and analysis for engineers and quality managers in the workplace.

This datalogger is ideal for use in environments where precise climate control is crucial, such as server rooms, laboratories, pharmaceutical warehouses, libraries, and office spaces.

High-quality internal sensors register minor changes in temperature and humidity, guaranteed with factory calibration. Additionally, the ability to set sampling intervals allows users to optimize data recording frequency according to their needs.

Key Features of the Extech RHT30 USB Humidity and Temperature Datalogger

  • High storage capacity: 48,000 readings (24,000 for temperature and 24,000 for humidity).
  • USB communication interface: quick and easy data transfer to computer systems.
  • Data analysis software: enables viewing, saving, and printing temperature and humidity reports.
  • Accuracy and calibration: includes factory calibration certification to ensure measurement accuracy.
  • Portable design: compact and lightweight body for easy onsite use.
  • LCD display: real-time display of temperature and humidity values.
  • Scheduling settings: allows setup of various time intervals for data recording.

Technical Specifications

Feature Value
Model RHT30
Device Type Humidity and Temperature Datalogger
Communication Interface USB
Memory Capacity 48,000 readings (24,000 temperature + 24,000 humidity)
Temperature Measurement Range 0 to 50 degrees Celsius
Humidity Measurement Range 0 to 95 percent relative humidity
Display LCD
Power Supply Batteries (typically AAA)
Calibration Factory calibration

Frequently Asked Questions

Does this device require periodic calibration?

Yes, although the device has factory calibration, it is recommended to perform periodic calibration by accredited centers to maintain accuracy in sensitive industrial and laboratory applications.

Is it possible to set the timing for data recording?

Yes, the user can set the desired time intervals for recording temperature and humidity data using the proprietary Extech software.

In what environments is the Extech RHT30 USB Humidity and Temperature Datalogger suitable for use?

This device is highly suitable for environments such as server rooms, warehouses, laboratories, hospitals, and office spaces where monitoring environmental conditions is essential.

Conclusion

The Extech RHT30 Humidity and Temperature Datalogger combines high accuracy, extensive memory, and a simple USB interface, making it an excellent choice for engineers and quality managers seeking accurate and long-term monitoring of environmental conditions.

By providing reportable data and high reliability, this device helps organizations maintain their quality standards and prevent damage caused by temperature and humidity 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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