Flir Extech RH490 User's Guide

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Year 2013

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Flir Extech RH490 Meter Specification

The Flir Extech RH490 Meter is a precision instrument designed for accurate measurement of relative humidity, temperature, and dew point. Engineered for both professional and industrial environments, the RH490 offers enhanced accuracy with a humidity measurement range from 0 to 100% RH and a temperature range of -30°C to 100°C, ensuring versatility across various applications.

This device features a fast response time and high-resolution measurements, making it ideal for conditions where precise environmental monitoring is crucial. The RH490 integrates advanced sensors for reliable data output, and its large backlit LCD screen facilitates easy reading in diverse lighting conditions. It also includes a data hold function to freeze readings on the display, which is particularly useful in dynamic settings.

The meter is equipped with a min/max function to capture critical high and low measurement points, and an auto power-off feature to conserve battery life when not in active use. Constructed with a robust housing, it is designed to withstand the rigors of field use, providing durability and resilience.

For connectivity and data management, the RH490 supports data logging capabilities, allowing users to store and review measurement data for further analysis. With its ergonomic design, the Flir Extech RH490 ensures ease of handling and operation, while its compact form factor makes it convenient for on-the-go professionals.

The RH490 is powered by standard batteries, ensuring ease of maintenance and operation in remote locations. Overall, the Flir Extech RH490 Meter combines precision, durability, and user-friendly features, making it an essential tool for professionals requiring reliable environmental measurement solutions.

Flir Extech RH490 Meter F.A.Q.

How do I calibrate the Flir Extech RH490 Meter?

To calibrate the RH490 Meter, use a humidity calibration kit according to the manufacturer's instructions. Access the calibration mode through the settings menu, and follow the on-screen prompts to complete the calibration process.

What should I do if the RH490 Meter displays inaccurate humidity readings?

Ensure the sensor is clean and free of obstructions. If the issue persists, try recalibrating the meter. Refer to the user manual for detailed instructions on maintaining accuracy.

How can I replace the battery in the RH490 Meter?

To replace the battery, turn off the meter and remove the battery cover on the back. Replace the old battery with a new 9V battery, ensuring correct polarity, and reattach the cover securely.

Can the RH490 Meter measure temperature as well as humidity?

Yes, the RH490 Meter is equipped to measure both temperature and humidity. You can view both readings simultaneously on the display.

How do I clean the sensor on the RH490 Meter?

To clean the sensor, gently wipe it with a soft, damp cloth. Avoid using harsh chemicals or immersing the meter in water. Regular cleaning will help maintain accuracy.

What is the response time of the RH490 Meter for humidity changes?

The RH490 Meter typically has a response time of less than 30 seconds to reach 90% of the new humidity level.

How do I store data from the RH490 Meter for later analysis?

The RH490 Meter can store data internally, which you can later transfer to a computer via the USB interface. Use the accompanying software to download and analyze the data.

What should I do if the display of the RH490 Meter is not working?

First, check the battery to ensure it is not depleted. If the battery is fine, reset the device by turning it off and on again. If the issue persists, contact customer support.

Is the RH490 Meter suitable for use in outdoor environments?

While the RH490 Meter is designed for indoor use, it can be used outdoors if protected from direct exposure to rain and extreme temperatures. Ensure it is kept dry and within the operating temperature range.

How do I interpret the dew point reading on the RH490 Meter?

The dew point reading indicates the temperature at which air becomes saturated and dew forms. It is a crucial measure of humidity and can help predict condensation issues.