Flir Extech MA400 User Manual
![Flir Extech MA400 Clamp Meter manual cover](/images/XiGJbLsXIvByfVhfuBrqCZPp/thumbs/thumb175x175.webp)
To measure AC current, set the rotary switch to the AC current (A) position. Open the clamp by pressing the trigger and place it around the conductor. Ensure that the conductor is centered within the clamp for an accurate reading.
If the display is not turning on, check the battery compartment to ensure the batteries are installed correctly and have sufficient charge. Replace the batteries if necessary.
To measure DC voltage, switch the rotary dial to the DC voltage (V) setting. Connect the test leads to the input terminals and then to the circuit under test. Read the measurement on the display.
Regularly clean the clamp meter with a soft, dry cloth. Avoid using solvents or abrasive cleaners. Check the test leads for wear and replace if necessary. Ensure that the batteries are removed if the meter will not be used for an extended period.
Set the rotary switch to the continuity test mode. Connect the test leads to the circuit or component under test. A beeping sound indicates continuity, meaning resistance is low and the circuit is closed.
Inaccurate readings can result from low battery power, incorrect range settings, or external electromagnetic interference. Ensure the meter is calibrated and the batteries are fresh. Also, check that you are using the correct settings for your measurements.
No, the Flir Extech MA400 Clamp Meter does not have the capability to measure temperature. It is designed primarily for electrical measurements such as current, voltage, and resistance.
Switch between different measurement modes by turning the rotary dial to the desired setting. Each setting is clearly marked on the meter’s face for easy selection.
For high current measurements, ensure that the conductor is properly centered in the clamp. Avoid any external magnetic fields that may interfere with the reading. Also, ensure the clamp meter is calibrated for high accuracy.
To replace the batteries, turn off the meter and remove the test leads. Open the battery compartment on the back of the device. Remove the old batteries and insert new ones, ensuring correct polarity. Close the compartment securely.