BIOBASE China Precious Metal Tester BK-DMG300K With Automatic Zero Tracking
High-precision automatic zero tracking ensures instant and accurate readings for gold, silver, platinum, and other precious metals. Durable alloy probe with advanced electrochemical plating delivers long-lasting performance and scratch resistance. Compact and portable design with an ergonomic grip for effortless handling in jewelry stores, pawnshops, and recycling centers. Large backlit LCD screen provides clear results even in low-light conditions, ideal for on-site testing. No complicated calibration—ready to use out of the box with minimal maintenance for busy professionals. Exclusive wholesale pricing available for bulk orders, backed by global logistics support for fast delivery.