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Total Dissolved Solids Meter

Use total dissolved solids meters to measure the quantity of TDS in your water. Reverse Osmosis Systems reduce TDS in water because of their RO membrane. Regular filters do not reduce TDS.

HM Digital TDS Water Quality Tester with Auto-off Function TDS-EZ

Price $19.95
HM Digital Pocket Sized TDS Meter with Digital Thermometer TDS-4TM

Price $25.79
HM Digital TDS-4 Total Dissolved Solids Pocket Size Meter

Price $23.79
HM Digital TDS-3 Total Dissolved Solids Handheld Meter with Carrying Case

Price $24.95
HM Digital SM-1 In-Line TDS Monitor for Single Water Line

Price $35.00
HM Digital QC-1 Quick Check Monitor for TDS and Conductivity

Price $28.95
HM Digital PSC-154 HM EC / TDS Controller with 4-20mA Output

Price $301.89
HM Digital PSC-150 EC / TDS Commercial Controller and Monitor

Price $208.00
HM Digital PS-200 Dual Inline TDS Controller for Commercial Systems

Price $208.00
HM Digital PS-100 Panel Mount TDS Controller for Commercial Systems

Price $168.00
HM Digital DM-1 In-Line Dual TDS Monitor for In / Out Water Lines

Price $44.49
HM Digital AP-2 AquaPro Handheld Water Electrical Conductivity Tester

Price $32.95