Spatula Scoop, Material: Stainless steel, spatula with tear drop scoop on one end and flat edge, Size: Total Length 9.5in, Tear drop scoop measures 0.75in (19mm) Wide and 1.75in(44.45mm) long, Flat side measures 0.38in(9.5mm) wide by 2in (50.8 mm) long, Handle is 0.16in(4 mm) diameter
That provides accurate measurement of pH, oxidation-reduction potential(ORP), conductivity, salinity, and total dissolved solids (TDS).Starter pen meter are the economical option,Simple Operation in a Slim and Portable Design
DC Voltmeter, Full scale and fully enclosed, For numerous electrical experiments, Color-coded binding posts, Can be used with Banana cords, Voltage: 0 to 3V, 0 to 10V, 0 to 15V, Accuracy: +/-2.5%
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