Does the solution leave a mark on the gold? Thanks for your help.

It does not on real gold, however when testing plated or other metals it will, hope that helps

Does this come with the solution?

It depends on where you buy it. The solution is getting more expensive lately. It used to be less than $20 and now it is close to $27.

Can you test gold bullion and coins with this

Yes both can be tested with the M24, I no longer own my M24 as I sold it and purchased a KEE Gold Tester, check them out as I believe you will like the KEE Gold Tester over the M24 as I prefer it 10 to 1 over the M24.Regards,Terry L. Shookof Carolina Coins and Detectors

What kind of battery?

I bought for a friend. I have the ET18 it uses 9V battery. So maybe this is the same.

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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M24 Mizar Gold Tester

Product ID: 16859000

Details

Brand
RS Mizar
Power Source
Battery
Style
Electronic
Color
['white' 'red'
Item Weight
0.01 Ounces

💡LED display for instant karat readout

🔋Battery operated for true portability

⏱️Automatic shut-off saves power & hassle

Description

💎 Unlock the true worth of your gold—anytime, anywhere!

ULTIMATE PORTABILITY - Compact, battery-powered design lets you test gold anywhere—no cords, no limits.
SMART POWER MANAGEMENT - Automatic shut-off and low battery alerts keep you powered up and ready without wasting energy.
MULTI METAL VERSATILITY - Accurately tests yellow, white, green, red gold plus platinum—one device for all your precious metals.
PRECISION KARAT DETECTION - Instantly identifies 9K to 24K gold with patented tech—know your gold’s true value in seconds.
MADE IN THE USA WITH WARRANTY - Crafted with trusted American quality and backed by a 2-year warranty for peace of mind.

The M24 Mizar Gold Tester is a portable, battery-operated electronic device that quickly and accurately measures gold karat values from 9K to 24K across multiple gold types and platinum. Featuring patented technology, an LED display, automatic shut-off, and low battery indication, it offers reliable, maintenance-free testing with a 2-year warranty, proudly made in the USA.

Specifications

ASIN	B001G7OSMW
Best Sellers Rank	#436,342 in Arts, Crafts & Sewing ( See Top 100 in Arts, Crafts & Sewing ) #189 in Jewelry Gold Testers
Color	['White', 'Red', 'Yellow', 'Green']
Customer Reviews	3.7 3.7 out of 5 stars (73)
Date First Available	September 17, 2008
Item Package Quantity	1
Item Weight	0.01 ounces
Item model number	M24
Manufacturer	Mizar
Material	plastic
Package Dimensions	7.7 x 4.4 x 2.3 inches
Part Number	ETTES170
Power Source	Battery Powered
Style	Electronic

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