... * Range: 0 to 14.00 pH* LCD indicates both pH & Temp.* Pen type digital pH meter, all in one, pH electrode is included, easy for ... after 10 mins* Supplied with a set of pH 4.01, pH 6.86, pH 9.18 buffers*Microcomputer circuit, intelligent function, ... 4 PCsOperating HumidityLess than 80% RH.HousingWaterproofDimension188 x 38 mm * Meter with pH electrode.Weight82 g (electrode included). pH meter protable