lol . i thought this unit was 100 . its 1000 ! . i went there today . put a sample in tested the same sample 2 times and the numbers came back with in a .05 margin of error . i think it vaporize it inside the little box . i can hear it working like a air noise and the sample had a small discoloration on it . this test machine is the shit . i cant rem the model # never wrote it down . next week picking one up ill have to go back get the brand name and hit the internet ill see if i can have one dropped shipped direct from china if its made there i know i can get it whole sale damn cheap . if so i will put them on here for you 10 % of cost and shipping . guys this little box tester is where its at . i told me every thing like a lab report except if there was mold or pest a side but there is n app for that update they sell to test it all . the little guy im sure wont pick one up why bother right if its only you . i have the best of the best of every thing this is something i cant go with out want to stay ahead of the pack . ............................................................................................................... again all my posts are pertain to cherry tomatoes need to know how they taste with out tasting them lmfao .