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PH accuracy to ±0.1 pH with a range from 0.0 to 14.0 pH. When your feed solution sits at the right pH level, the nutrient contents are more available to your plants. Nutrient solutions that are too alkaline or acidic can cause deficiencies.
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Bluelab products are trusted by growers across the globe for their accuracy and reliability � the handy new pH Pen is no exception! With temperature compensation, it provides highly accurate readings, as well as displaying the temperature of your nutrient solution onscreen.
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1 x Digital Soil Tester (battery not included). Sunlight: 9 level (LOW-, LOW, LOW+, NOR-, NOR, NOR+, HGH-, HGH, HGH+). Working humidity: 5% - 95% RH non-condensing. Storage condition: -20°C-50°C, ≤85%(humidity).
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Featuring an easy-to-read LCD display, it provides quick and accurate readings from 0 to 14 pH. Type: PH Tester. Accuracy: ±0.2PH; ±0.1PH (20°C). Resolution: 0.1PH. Portable Design: Lightweight and compact, ideal for lab use or fieldwork.
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When the pH stays at "7"：. Automatic off function for energy saving, the unit will be automatically off after 5 minutes disabling.
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ORP negative potential ±1999MV. Salinity 0-20%. The specific gravity of S.G seawater is 1.000-1.222. 2, TDS value 0-200000ppm. H2 hydrogen rich 0-2400PPb. EC value 0-200000㎲/cm. 1 x 7 In 1 Tester Pen.
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Low battery indicator. Built in energy saving mode.
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