Extech Model RH490 Precision Hygro-Thermometer is a professional measuring instrument designed to provide accurate relative humidity and temperature data.
This device features high accuracy in measuring relative humidity (RH) with an accuracy of 2%, making it an ideal tool for industrial and laboratory environments.
This model is engineered not only to display standard values but also to calculate and display grains per pound (GPP), which is vital for HVAC engineers and humidity control specialists.
Users of this device can leverage its advanced capabilities for monitoring environmental conditions in clean rooms, food storage facilities, and sensitive manufacturing processes.
The robust structure and large display of the RH490 enhance data readability under various working conditions and assist operators in making quicker decisions based on accurate data. This tool significantly helps in optimizing processes and reducing waste by eliminating guesswork in humidity measurements.
Key Features of Extech Model RH490 Hygro-Thermometer
- Very high accuracy in measuring relative humidity with only 2% error.
- Simultaneous display of temperature and humidity with GPP calculation capability.
- Ergonomic and durable design suitable for industrial and field use.
- Large and readable display for quick data viewing.
- Suitable for specialized applications such as clean rooms and ventilation systems.
Technical Specifications
| Feature | Value |
| Brand | Extech |
| Model | RH490 |
| Device Type | Digital Hygrometer and Thermometer |
| Humidity Accuracy | 2% |
| Display Capability | Relative Humidity, Temperature, Grains per Pound (GPP) |
| Main Application | Industrial, Laboratory, HVAC |
Frequently Asked Questions
Does the Extech Model RH490 Hygro-Thermometer have recalibration capability?
Yes, Extech's RH series devices typically have recalibration capabilities, and it is recommended to have periodic calibration performed by reputable centers to maintain the 2% accuracy.
Is the grains per pound (GPP) display necessary for all applications?
The GPP display may not be essential for general applications, but it is a critical and standard feature for HVAC engineers and those involved in precise humidity control in industrial processes.
Is this device suitable for measuring humidity in wet environments?
Yes, the RH490 is designed with high accuracy and quality sensors for continuous humidity monitoring in high humidity environments and maintains reliable performance.
Conclusion
The Extech Model RH490 Hygro-Thermometer is a smart choice for organizations that require accurate and reliable data in humidity and temperature control.
With a combination of 2% accuracy, GPP display capability, and user-friendly design, this device effectively meets the needs of engineers and technical teams in sensitive environments. Purchasing this model is a sure investment for ensuring quality in work environments and manufacturing processes.
