Flir Extech GRT300 User Guide

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Year 2013

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Flir Extech GRT300 Tester Specification

The Flir Extech GRT300 Tester is a sophisticated ground resistance tester designed for accurate and reliable measurement of ground resistance and soil resistivity. This device is equipped with advanced features to enhance user experience and ensure precision in various applications including electrical installations, maintenance, and safety testing. It supports a three-pole and four-pole testing method, allowing for versatile usage in different testing scenarios. The GRT300 is engineered to provide measurements with a high degree of accuracy, ensuring readings are within ±2% accuracy for resistance measurements.

The tester is built with a large, easy-to-read LCD display that showcases detailed measurement results clearly, even in challenging lighting conditions. It features an automatic ranging function, which simplifies the testing process by selecting the appropriate measurement range without manual intervention. The GRT300 is designed with user safety in mind, incorporating high-voltage protection to prevent damage to the device and ensure the safety of the operator during testing.

The unit is powered by a rechargeable battery, providing extended operational time and reducing the need for frequent battery replacements. It also includes data storage capabilities, allowing users to save measurement data for later analysis. This feature is particularly useful for tracking changes in ground resistance over time or comparing results across different testing sites. The device is housed in a rugged, weather-resistant casing that ensures durability and longevity, even in harsh environmental conditions. The Flir Extech GRT300 Tester stands out as a reliable tool for professionals seeking accurate ground resistance measurements with enhanced safety and convenience features.

Flir Extech GRT300 Tester F.A.Q.

How do I perform a continuity test with the Flir Extech GRT300?

To perform a continuity test with the Flir Extech GRT300, turn the dial to the continuity setting and connect the test leads to the circuit. A continuous circuit will emit an audible beep.

What should I do if the GRT300 display is not turning on?

If the display is not turning on, first check the battery compartment to ensure the batteries are installed correctly and replace them if necessary. If the issue persists, contact customer support.

How can I measure resistance using the GRT300?

To measure resistance, turn the dial to the resistance setting, connect the test leads across the component, and read the measurement on the display. Ensure the component is not connected to any power source.

Why is the GRT300 giving inaccurate readings?

Inaccurate readings may result from poor contact between the test leads and the measurement points. Ensure leads are in good condition and properly connected. Calibration may also be needed.

How do I calibrate the Flir Extech GRT300?

Calibration should be performed by qualified personnel. Refer to the user manual for specific calibration instructions or contact an authorized service center.

Can the GRT300 be used to test live circuits?

Yes, the GRT300 can test live circuits; however, caution must be exercised. Ensure you are using the appropriate settings and protective gear.

What maintenance does the GRT300 require?

Regularly check and replace batteries, inspect test leads for damage, and clean the device with a soft, dry cloth. Avoid exposing the device to extreme conditions.

How can I store data on the GRT300?

The GRT300 does not have internal memory for data storage. However, you can manually record readings or connect to external logging systems if compatible.

What is the auto power-off feature in the GRT300?

The auto power-off feature automatically turns off the device after a period of inactivity to conserve battery life. Refer to the manual to adjust the time settings if needed.

How can I reset the GRT300 if it becomes unresponsive?

To reset the device, remove the batteries, wait for a few moments, and then reinstall them. If the problem continues, consult the user manual or contact support.