Digital Jewelry pocket scale
$ 12.19
- 1. Readability (Accuracy)3 This is the most crucial specification for a jewelry scale. Best for Jewelry: Look for scales with a readability of 0.01 gram (g) or 10 milligrams (mg). This precision is suitable for weighing most gold, silver, and average-sized gemstones. Professional/Diamond Use: For weighing tiny diamonds or very high-value items, you might need a scale with 0.001 gram (mg) readability, often called a milligram scale.4 2. Capacity This is the maximum weight the scale can handle.5 Common Capacities: The most common pocket sizes are 200g, 500g, or 1000g (1kg). A 500g / 0.01g scale is a great, versatile choice, offering high precision while still handling multiple rings or small batches of material.6 3. Multiple Weighing Units7 Professional scales must be able to switch between units used in the jewelry trade:8 Gram (g): Standard unit. Carat (ct): Essential for gemstones ($text{1 carat} = 0.2text{ grams}$). Troy Ounce (ozt):9 Used for precious metals like gold and silver.10 Pennyweight (dwt):11 Used in the dental and jewelry industries. 4. Essential Functions Tare Function: Allows you to place a small tray or container on the scale and “zero out” its weight, so you only measure the weight of the items placed inside.12 Calibration: High-precision scales require periodic calibration to maintain accuracy.13 Many models come with a small calibration weight (e.g., 14$50text{g}$ or 15$100text{g}$) and a simple calibration button.16 Protective Cover: The scale usually includes a flip-top lid that protects the delicate weighing platform and sensors when carried in a pocket or bag.17
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