Preces apraksts

• 200 Pcs PH Meters PH Test Strips Indicator Test Strips 1-14 Paper Litmus Tester/Brand New Measurement & Analysis Instruments Specification : 1 - three indicates a completely acidic substance 4 - 6 signifies an acidic substance 7 indicates neutral 8 - eleven indicates alkalinity 12 - 14 indicates a very excessive point of alkalinity Paper Size:app 45mm x 7mm (L x W) Weigh:app 3g Package record : 200* ph examine strips Instruction : Simply press the trying out strip to the thing or liquid you're trying out Half moment later, take out the paper and using the color chart included, compare the colour replace of the paper to find out the acidity level of your testing subject no longer indicate the Acid or alkali resolution when its density become lower than 0% dry for the rest paper Brand Story YIERYI brand changed into registered in 2016 The leading products are refractometers, PH meters, tds, ec pens, soil meters, kitchen scales, and jewelry scales In order to guarantee the accuracy of the data, we gave up the low-cost chip, chosen high-precision Taiwan imported and South Korea imported chips, the design selected a conveyable pen-type design, light, beautiful, and straightforward to hold All merchandise might be tested, calibrated and used by ourselves to make sure that the quality is qualified after which promoted We want to let this healthy model input every kinfolk and every corner of the world, and go at the dream of "world love, China made" !

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