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HM Digital TDS-3 Handheld TDS Meter with Carrying Case with 0 – 9990 ppm (mg/L) Range and +/- 2% Accuracy
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Amazon.com: HM Digital TDS-3 Handheld TDS Meter With Carrying Case, 0 - 9990 ppm TDS Measurement Range, 1 ppm Resolution, +/- 2% Readout Accuracy : Industrial & Scientific
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HM Digital TDS-3 Handheld TDS Meter With Carrying Case, 0 - 9990 ppm TDS Measurement Range, 1 ppm Resolution, +/- 2% Readout Accuracy - Walmart.com
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ISPRING 3-Button Digital TDS Meter/Thermometer with Automatic Calibration, Temperature Button and Leather Case TDS3 - The Home Depot
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Yieryi New Lcd Digital Tds Meter Tds-3 Water Quality Purity Tester Pen Filter Temp Ppm Aquarium Products Arrive - Ph Meters - AliExpress
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