Flir Extech CT70 User's Guide

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Year 2013

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Flir Extech CT70 Tester Specification

The Flir Extech CT70 Tester is a sophisticated tool designed for comprehensive electrical testing and troubleshooting in residential and commercial environments. It is engineered to evaluate multiple parameters of electrical installations, ensuring safety and compliance with standards. The device operates within a voltage range of AC 90 to 250 volts, allowing it to effectively test a variety of electrical circuits. It features a user-friendly interface with a digital LCD display that provides clear readouts of measurements, minimizing errors and enhancing efficiency.

The CT70 tester is equipped with advanced functionalities such as ground impedance testing, GFCI testing, and voltage drop measurements, making it an indispensable tool for electricians and technical professionals. It measures ground resistance with a range of 0.1 to 2,000 ohms, allowing for precise diagnostics of grounding issues. The tester also evaluates the performance of Ground Fault Circuit Interrupters, ensuring they trip correctly under fault conditions to protect against electrical shock.

Additionally, the device includes a voltage drop test function to assess electrical circuit load capacity, identifying potential issues with wiring or connections. Its compact and rugged design ensures durability and portability, making it suitable for use in various field conditions. The Flir Extech CT70 is powered by standard AA batteries, providing convenience and ease of replacement. With its comprehensive testing capabilities and robust design, the CT70 Tester is a vital instrument for ensuring the safety and efficiency of electrical systems.

Flir Extech CT70 Tester F.A.Q.

How do I perform a self-test on the Flir Extech CT70 Tester?

To perform a self-test, ensure the tester is powered on and press the self-test button. The device will conduct internal checks and display results on the screen.

What are the steps for measuring voltage with the Flir Extech CT70 Tester?

Set the dial to the voltage measurement setting, connect the probes to the circuit, and read the voltage value on the display. Ensure correct polarity to prevent inaccuracies.

How can I troubleshoot if the CT70 Tester does not power on?

Check the battery compartment for loose or discharged batteries, ensure the battery contacts are clean, and verify the power switch is engaged. Replace batteries if necessary.

What maintenance procedures are recommended for the CT70 Tester?

Regularly inspect the probes and leads for damage, clean the unit with a dry cloth, and store it in a dry place to avoid moisture damage.

How do I replace the batteries in the CT70 Tester?

Open the battery compartment on the back of the tester, remove the old batteries, and insert new ones ensuring correct polarity. Close the compartment securely.

What should I do if the CT70 Tester displays inconsistent readings?

Calibrate the tester according to the manual, check the condition of the probes, and ensure connections are secure. Consider environmental factors that might affect readings.

Can the CT70 Tester measure current, and if so, how?

Yes, set the dial to the current measurement setting, connect the probes in series with the circuit, and read the current value displayed.

How do I interpret the continuity test results on the CT70 Tester?

When continuity is detected, the tester will emit a beep and display a low resistance value, indicating a closed circuit.

What is the procedure for testing ground fault with the CT70 Tester?

Plug the tester into the outlet, press the ground fault test button, and observe the indicator lights or display for any faults.

How can I ensure accurate readings with the CT70 Tester in different environments?

Allow the tester to acclimate to the environment's temperature, avoid exposure to strong electromagnetic fields, and ensure the device is calibrated.