Water Quality Digital TDS Meter with Temperature, 0-9990 ppm Measurement Range
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<b>[Product Information]</b><br>
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<li>Dual range measurement: 0-999 ppm with resolution 1ppm, 1000-9990 ppm with resolution 10ppm</li>
<li>Measurement accuracy of +/- 2 Percent</li>
<li>10 minute auto-shutoff to conserve battery life</li>
<li>Hold function saves measurements for convenient reading and recording</li>
<li>Test water periodically to ensure water filter is doing its job</li>
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