Has anybody had any issues with this scale not weighting until it hits 5 milligrams and the numbers jumping around?

I've had problems as well. When turned on and left to warm up it usually sets to "0". When I add reactants to the scale it doesn't move, then suddenly jumps to .006, then .007, then back to 0. It stays at 0 even when I add a little more. When put on the high priced scale it reads over .010, so this isn't good for anything small, certainly not a ",001g" scale. The other suggestion that one would use the 10g test weight, with the pan and then add the reactant doesn't work either (I didn't expect it to). This doesn't work as told.

Does this scale have an option to measure in carats?

Yes, but although the scale reads to milligrams, it's accuracy as listed in the manual is only .020g, or a tenth of a carat either way.

The material I weighed seemed to stick to the weigh pan. Any suggestions for this and also keeping the scale on long enough seems to be a problem

Place a sheet of paper/wax paper on the little pan before use. I encountered this problem when weighing out my nutritional supplement powders. Balance a small square pane of glass or acrylic panel on top of the pan provided and place your sample on top. Anything that sticks can be scraped off and recovered using a razor blade.

where can i get replacement tray & tweezers?

You can contact American Weigh directly to purchase spare parts. Check their website at http://www.awscales.com, e-mail them at mail@awscales.com, or call their customer support number at (770) 542-0230.

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AWS Gemini-20 Milligram Scale 20g x 0.001g–Digital Jewelry/Lab Scale for Powder, Gold, Gems – Includes Calibration Weights, Tweezers & Tray–Tare, Cal, 6 Units (Gemini - 20 - Silver)

AWS Gemini-20 Milligram Scale 20g x 0.001g–Digital Jewelry/Lab Scale for Powder, Gold, Gems – Includes Calibration Weights, Tweezers & Tray–Tare, Cal, 6 Units (Gemini - 20 - Silver)

Product ID: 76152055

Details

Brand
AMERICAN WEIGH
Color
Silver
Display Type
LCD
Recommended Uses For Product
Coins Food
Special Feature
Precision

🔬0.001g precision

⚖️20g max capacity

🛡️draft shield included

Description

⚖️ Precision in your pocket, power in your palm.

COMPLETE PRO KIT - Includes calibration weights, tweezers, and a weighing tray—all secured in a sleek magnetic-latch case for effortless transport.
MILLIGRAM ACCURACY - Measures down to 0.001g with repeatable precision ±1.5mg in low ranges—perfect for jewelry, gems, and powders.
SMART DRAFT SHIELD - Flip-down shield protects your measurements from air currents, ensuring reliable results even in less-than-ideal environments.
MULTI UNIT VERSATILITY - Seamlessly switch between grams, carats, ounces, troy ounces, pennyweights, and grains for all your professional needs.
POCKET SIZED PRECISION - Ultra-compact 4x4 inch footprint fits your on-the-go lifestyle without sacrificing accuracy.

The AWS Gemini-20 is a compact digital milligram scale offering 20g capacity with 0.001g precision, ideal for professionals weighing jewelry, powders, and precious metals. It features a backlit LCD, multi-unit modes, and a protective draft shield to enhance accuracy. Included calibration weights and accessories make it a complete, travel-ready solution backed by a 10-year warranty.

Specifications

ASIN	B0012TDNAM
Best Sellers Rank	#28,716 in Kitchen & Dining ( See Top 100 in Kitchen & Dining ) #139 in Digital Kitchen Scales
Brand Name	AMERICAN WEIGH SCALES
Color	Silver
Customer Reviews	4.4 4.4 out of 5 stars (5,698)
Display Type	LCD
Form Factor	Modern
Global Trade Identification Number	00814859010277
Included Components	SDf
Item Type Name	ZXC
Item Weight	0.12 kg
Manufacturer	American Weigh Scales
Material Type	Plastic
Measurement Type	weight
Model	GEMINI-20
Number of Packs	1
Part Number	GEMINI-20
Recommended Uses For Product	Coins, Food, Jewellery, Medicines
Special Features	Precision weight sensors
UPC	814859010277
Unit Count	1 Count
Warranty Description	10 Year Limited Warranty
Weigh Scale Type	Counter Scale
Weight Capacity Maximum	20 g

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