TDS EC Temperature Water Quality Tester Meter 0-9990ppm Water Monitor Digital

If TDS≤40, the backlit color is green,for Drinking water. If TDS>40, the backlit color is red,for No-drinking water. A colorful TDS chart on the back to explains ppm readings. TDS: 0 - 9990 ppm (parts per million).
If TDS≤40, the backlit color is green,for Drinking water. If TDS>40, the backlit color is red,for No-drinking water. A colorful TDS chart on the back to explains ppm readings. TDS: 0 - 9990 ppm (parts per million).

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If TDS≤40, the backlit color is green,for Drinking water. If TDS>40, the backlit color is red,for No-drinking water. A colorful TDS chart on the back

TDS EC Temperature Water Quality Tester Meter 0-9990ppm Water Monitor Digital US

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