Flir Extech 421502 User's Guide

Flir Extech 421502 Thermometer manual cover

Pages 12

Year 2005

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Flir Extech 421502 Thermometer Specification

The Flir Extech 421502 Thermometer is a precision instrument designed for accurate temperature measurement across a broad range of applications. It features dual input capabilities, allowing simultaneous monitoring of two temperature points with thermocouples for enhanced versatility. The device supports both Type K and Type J thermocouples, offering a wide temperature measurement range of -200°C to 1372°C for Type K and -200°C to 760°C for Type J, ensuring compatibility with various industrial and laboratory settings.

Equipped with a large, easy-to-read LCD display, the thermometer provides clear and immediate readings with a resolution of 0.1°C. The device includes data hold, minimum, maximum, and average recording functions, enabling users to capture crucial data during testing. Its programmable offset adjustment ensures high accuracy, while the built-in RS-232 interface facilitates seamless data transfer to a computer for further analysis.

The thermometer is powered by a 9V battery, providing portability and convenience for field applications. Its rugged design, complemented by a durable protective holster, enhances its reliability in challenging environments. The Extech 421502 also includes an auto power-off feature to conserve battery life, making it an efficient choice for prolonged use.

Designed with user-friendly operation in mind, the device offers intuitive controls and a compact form factor, ensuring ease of use for both novice and experienced professionals. The Flir Extech 421502 Thermometer is an ideal solution for precision temperature measurement tasks, combining accuracy, versatility, and durability to meet the demands of technical applications.

Flir Extech 421502 Thermometer F.A.Q.

How do I calibrate the Flir Extech 421502 thermometer?

To calibrate the Flir Extech 421502 thermometer, use a known temperature reference point. Adjust the calibration screw on the thermometer until the display matches the reference temperature. Refer to the user manual for detailed steps.

What should I do if the thermometer is not powering on?

Check the battery compartment for proper installation and ensure that the batteries are not depleted. Replace with new batteries if necessary. If the problem persists, consult the troubleshooting section of the manual.

How can I measure surface temperature with the Flir Extech 421502?

To measure surface temperature, point the infrared sensor of the thermometer directly at the surface. Ensure that the thermometer is within the recommended distance-to-spot ratio for accurate readings.

What is the correct procedure for cleaning the thermometer's sensor?

Use a soft, damp cloth to gently wipe the sensor area. Avoid using harsh chemicals or submerging the device in water as this can damage the sensor.

How can I troubleshoot inaccurate temperature readings?

First, ensure the thermometer is properly calibrated. Check for any obstructions or dirt on the sensor. Also, verify that the thermometer is being used within its specified temperature range and environmental conditions.

What is the best practice for storing the thermometer when not in use?

Store the thermometer in a cool, dry place away from direct sunlight. Remove the batteries if it will not be used for an extended period to prevent battery leakage.

Can the Flir Extech 421502 measure both Celsius and Fahrenheit?

Yes, the Flir Extech 421502 thermometer can measure temperature in both Celsius and Fahrenheit. You can switch between units using the mode button on the device.

What should I do if the display shows an error message?

Refer to the user manual to identify the specific error message. Common solutions include checking the sensor for damage, ensuring the device is within its operating temperature range, and resetting the device.

How often should the thermometer be recalibrated for accurate readings?

It is recommended to recalibrate the thermometer annually or whenever you suspect inaccurate readings, especially after exposure to extreme temperatures or rough handling.

What maintenance steps should be taken to ensure the longevity of the thermometer?

Regularly check and clean the sensor, keep the device dry, and store it properly when not in use. Recalibrate annually and replace batteries as needed to maintain reliable operation.