Extech 380940 - 400A True RMS AC/DC Watt Clamp-on

• Large LCD with 40 segment analog bargraph
• Data Hold, Max/Min recall, Auto Zero (DC current), plus low battery indication
• Auto power off
• To download the correct user's manual, please check your product's serial number (on the back of the unit). A product revision has occurred only if the SN begins with a letter (A, B, etc.)

• Large LCD with 40 segment analog bargraph
• Data Hold, Max/Min recall, Auto Zero (DC current), plus low battery indication
• Auto power off
• To download the correct user's manual, please check your product's serial number (on the back of the unit). A product revision has occurred only if the SN begins with a letter (A, B, etc.)

Do you have a 400A True RMS AC/DC Watt Clamp-on that needs to be calibrated?

We offer standard traceable calibration and ISO 17025 accredited calibration services.