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LYUMO Digital LCD Water Quality Testing Pen Purity Filter TDS Meter Tester

<ul><li>Saves measurements for convenient reading and recording.</li><li>Applicable industries: water laboratories, CDC, the aquaculture industry, hospitals, swimming pools, household tap water quality testing.</li></ul>

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Features: <ul><li>The TDS meter tester can be used in: water purifiers and filters, food(vegetable, fruits) &amp; drink quality monitoring, pools and spas,aquariums, hydroponics etc. </li><li>Auto-off function: Turns off meter after 10 minutes of non-use to conserve batteries.</li><li>Press "TEMP" button can shift temperature meter between fahrenheit degree and&nbsp;centigrade degree. </li><li>Measures Range: 0-9990ppm, with a resolution of 1ppm. From 1,000 to 9,990ppm, the resolution is 10ppm, indicated by drinking x 10image, factory calibrated.</li></ul> Specifications: Condition: 100% Brand New Shell Material: Plastic Main Color: Yellow, Grey, Red, Blue, Orange, White (Optional) Range: 0~9990ppm Accuracy: +/-2% Battery: 2 x 1.5V LR44 Button Cell Batteries (not included) Size: Approx. 15.5 x 3 x 1.6cm / 6.1 x 1.1 x 0.6in Package Weight: 68g Please refer below standard for testing water 0~50ppm --------- High Purity Water 50~100ppm --------- Pure Water100~300ppm --------- General Pure Water300~600ppm --------- The water will have incrustation scale 600~1000ppm --------- Bad Taste WaterAbove 1000ppm --------- The water is not suitable for drinking Package Included: 1 x Water Quality Tester (without battery)

LYUMO Digital LCD Water Quality Testing Pen Purity Filter TDS Meter Tester

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