I must congratulate Carl again for his excellent work in finding the exact manufacturer of the knouzm thermometer treasure finder. It's no wonder I couldn't find it because I was looking for the USA manufacturers per the Knouzm web page that says it is made in the USA.
We in the USA cannot easily test the Mastech MS6530 because it is not made or sold in the USA. This thermometer is made in China. The only place it is obtained in the USA is through the Amazon.com seller who imports it from Hong Kong.
Mastech no longer lists the MS6530 in their catalog, as it has been replaced by the newer models. As near as I can tell, the remaining surplus stock of the obsolete Mastech MS6530 thermometers can be imported direct from the Hong Kong factory contact for low factory surplus prices if you need a lot of them. Scroll to the bottom of this page and contact Connie Keung for volume discounts:
http://pmastech.manufacturer.globals...hermometer.htm
The Knouzm company lied to us when they said it is made in the USA on their web page (DIS 300 feature #15): http://knouzm.net/en/dis-300.html
Knouzm lied about the place this thermometer was made just like they lied about the "13 Laser Waves considered as Ground Probes to measure", and just like they lied in their manual about adding two extra sensors for the treasure hunter. This is nothing but an obsolete Mastech Infrared thermometer that you can buy for about $100 or less from a Hong Kong importer. It cannot "discover from 20 Degree C to 527 Degree C for far distances and huge depths" as the web page states. It can only measure surface temperature. The Knouzm "Laser Gun (DIS 300)" cannot find treasure any better than an obsolete Mastech MA5630. Why would anyone pay $6000 for this cheap thermometer? Because the Knouzm company lied and made them believe it was modified so it can find treasure? Hahahahaha what kind of retarded idiot would believe that crap?
Here are some fun pages if you want to find out more about Mastech:
See animated views of the Mastech factory here. Just look at all those factory workers on the assembly line. I wonder how much Mastech would charge to rework some of the surplus MS6530 thermometers to show a .g or .c when you push the mode button button? Hmmm.. too bad you cant modify the display to say "Treasure Finding Mode".
http://www.p-mastech.com/profile_factory_tour.htm
The Mastech company is known for making electronic instruments that are sold to people who want cheap knock-offs of quality American made products. Even their factory website brags about using American brands like Wavetech, Fluke, and Techtronics to factory-test their products.
http://www.p-mastech.com/profile.htm
Let's see what kind of products Mastech lists in their catalog:
http://www.mastech.com.cn/
I was not able to find anywhere to buy Mastech products online except a few items on ebay and on amazon.com. But I did find this website for a company who supplies electronics to Australia that has a Mastech product section:
http://www.transtek.com.au/products/mastech.html