380947: 400a true rms ac/dc mini clamp meter

true rms mini-clamp with high current resolution

• 0.9'' (23mm) jaw opening
• true rms measurements with 1ma ac resolution
• non-contact frequency measurements to 10khz through the clamp jaws
• fast 40 segment bargraph
• one touch auto zero
• min/max, data hold and 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.)