HM Digital Water Quality Meters

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HM Digital (TDS-EZ) TDS Meter-Monitor for "Total Dissolved Solids"

$23.99
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HM Digital (TDS-4) Handheld Digital TDS Meter-Monitor

$21.00
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HM Digital (TDS-3) Handheld Digital TDS Meter

$22.20
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HM Digital (DM-1) Residential Inline Dual TDS Meter-Monitor

$45.00
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HM Digital (COM-100) Waterproof EC-TDS-Temperature Combo Meter-Monitor

$69.95
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HM Digital (DM-2) Industrial Inline Dual TDS Meter-Monitor; 1/4" JG

$78.94
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HM Digital (PH-200) pH Handheld Meter-Monitor

$89.99
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HM Digital (PM-2) External In-Line TDS Purity Monitor 1-4" Quick Connect

$79.00
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HM Digital (SP-P2) Replacement pH Sensor for PH-200

$47.54
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HM Digital (PH-80) HydroTester Water pH Temperature Tester Meter Pen

$79.99
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HM Digital (FM-1) Filter Monitor w- Water Flow Switch

$29.95
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HM Digital (FLM-3) Filter Monitor with Flow Sensor and Volumizer

$73.36