Flir Extech RH25 User Guide

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Year 2013

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Flir Extech RH25 Meter Specification

The Flir Extech RH25 Meter is a compact, high-precision instrument designed for accurate measurement of relative humidity, temperature, and dew point in various environments. Engineered for both professional and industrial applications, the RH25 offers robust functionality within a user-friendly interface. It features a fast-responding capacitive sensor that ensures reliable and precise humidity readings, ranging from 0% to 100%. The integrated temperature sensor provides accurate measurements from -20°C to 50°C, enhancing its versatility in diverse climatic conditions.

With a large, backlit LCD display, the RH25 ensures readability in low-light settings, making it suitable for fieldwork and laboratory environments. The device is equipped with data hold and min/max record functions, allowing users to capture and analyze critical environmental data over time. The RH25 is powered by standard AA batteries, ensuring accessibility and convenience for extended use.

Built with a durable, ergonomic design, the RH25 is lightweight yet sturdy, capable of withstanding the rigors of daily use. Its intuitive interface allows for easy navigation and operation, even for those unfamiliar with advanced measurement instruments. The RH25 also includes a built-in calibration feature, ensuring long-term accuracy and reliability. Additionally, the device supports data logging, enabling users to store and transfer readings for further analysis.

Overall, the Flir Extech RH25 Meter is an essential tool for professionals requiring precise and dependable measurement of environmental conditions, suitable for applications in HVAC, agriculture, environmental monitoring, and more. Its combination of accuracy, durability, and ease of use makes it a preferred choice for experts in the field.

Flir Extech RH25 Meter F.A.Q.

How do I calibrate the Flir Extech RH25 meter?

To calibrate the RH25 meter, perform a two-point calibration using a known humidity source. First, set the meter in calibration mode via the settings menu. Use a 33% or 75% RH calibration salt for accurate results. Follow the on-screen instructions to complete the calibration.

What should I do if the RH25 meter displays erratic humidity readings?

If the meter displays erratic readings, ensure that the sensor is clean and not damaged. Perform a calibration if necessary. Additionally, check for software updates or reset the device to factory settings if the issue persists.

How can I replace the battery in the RH25 meter?

To replace the battery, open the battery compartment located on the back of the device using a screwdriver. Remove the old battery and replace it with a new one, ensuring the correct polarity. Secure the compartment and test the device to ensure it's functioning properly.

What is the correct way to clean the sensor of the RH25 meter?

Use a soft, lint-free cloth slightly dampened with distilled water to clean the sensor. Avoid using cleaning agents or submerging the sensor in liquid. Ensure the sensor is dry before reassembling and using the device.

Can the RH25 meter be used in high humidity environments?

Yes, the RH25 meter is designed to function in high humidity environments. However, prolonged exposure to extreme conditions may require more frequent calibration to maintain accuracy.

How do I reset the RH25 meter to factory settings?

To reset the RH25 meter, navigate to the settings menu and select the 'Reset to Factory Settings' option. Confirm the reset when prompted. This will erase all stored data and custom settings.

What is the recommended maintenance schedule for the RH25 meter?

Regular maintenance includes monthly calibration checks, battery inspections every six months, and sensor cleaning as needed based on usage and environmental conditions. Store the device in a dry place when not in use.

How can I update the firmware on the RH25 meter?

To update the firmware, connect the RH25 meter to a computer via USB. Visit the Flir Extech website to download the latest firmware update. Follow the instructions provided to complete the update process.

What should I do if the RH25 meter does not power on?

First, check the battery for charge and proper installation. If the battery is functional, try connecting the device to a power source via USB. If the problem persists, contact customer support for further assistance.

Is it possible to log data continuously with the RH25 meter?

Yes, the RH25 meter has a data logging feature that allows continuous recording of humidity readings. Configure the logging interval and duration in the settings menu to start logging. Ensure sufficient memory and power to avoid interruptions.