Further technical information and manufacturer documentation can be found in the official datasheet from Weller

as per the manufacturer's instructions

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The information above has been verified on Weller's official product page

Multimeter digital 600V DC / 600V AC Unit(s):Pcs Further technical information and manufacturerProduct Overview The Amprobe DM78C (SKU 3156830) is a pocket sized digital multimeter from AMPROBE. The instrument measures AC and DC voltage up to 600 V, as well as resistance, diode, and continuity. The display is a 3200 count LCD with a 34 segment analog bargraph, providing both a numerical reading and a quick visual indication of the measurement's trend. Features and Measurements Measures AC and DC voltage up to 600 V. Measures resistance, diode,