Dendritics Gemscale 50 vs Tanita 1210

How does the Gemscale-50 compare
to the Tanita 1210??

Function	Gemscale 50	Tanita 1210	Comments
Design	Excellent	Excellent	Both well done
Size in (cm)	5.0 x 3.0 x 1.0 (12.7/7.6/2.5)	6.0 x 4.3 x 1.0 (15.2/11.0/2.5)	72% Larger Volume
Weight	8 Oz / 228g	10 Oz / 284g	25% Heavier
Operation	One Button	Four Buttons	Not User-Friendly
Travel Packaging	Self-Contained	Requires Two Packages	.
Warrantee	One Year	180 Days	.
Warrantee Service Cost	Zero	$12.50 "Handling Charge"	.
Performance
Small Numbers .01-.02 Carats	Reads Correctly .01-.02	Reads 0.00	small gems .01-.02 cannot be weighed because of Auto-Zero
Auto-Zero	Never	Always	Tanita cannot disable this function
Calibration Span	+/- 2%	+/- 15.7%	This allows for numerous errors in readings
Shut-Off	30 minutes after last use	5 minutes after turn-on	Not good for the user while working with a gem buyer
Batteries	One 9V	Six AAA	6 AAA are costly
Cost of Replacement Batteries	$2.99	$7.47	.
Operating Life of Alkaline Batteries	300 Hrs	60 Hrs	.
Cost of batteries for first 300 hrs	$0	$29.88	Ouch
Operation	One Hand Required	Two Hands Required	Not User Friendly
Suggested Retail Price	US$350	US$399	.
Total Cost for One Year with 300hrs and one repair	US$350.00	US$441.38	.

Our Conclusion:
After looking at all the facts, our biased opinion is that you will surely pick the Gemscale-50 unless you are a stockholder in Tanita. If that is the case, you should consider selling your stock!