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TDS Testers


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"TDSTestr 11/11+"
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Waterproof testers for the measurement of total dissolved solids (TDS) in applications like water and waste water treatment, aquaculture, hydroponics, bore water, cooling towers, boilers, swimming pools, etc.

NEW! The latest addition to the family of TDS testers are the EcoTestr TDS Low and the EcoTestr TDS High. They are replacing the popular TDSTestr Low and TDSTestr High.

EcoTestr TDS Low

Waterproof tester, 0 – 1990 ppm, resolution 10 ppm, microprocessor controlled, automatic temperature compensation (ATC), 1 point calibration.

  • EcoTestr TDS Low ... $95.00 + GST

EcoTestr TDS High

Waterproof tester, 0 – 10.0 ppt, resolution 0.1 ppt, microprocessor controlled, automatic temperature compensation (ATC), 1 point calibration.

  • EcoTestr TDS High ... $95.00 + GST

TDSTestr Low

Waterproof tester, 0 – 1990 ppm, resolution 10 ppm, microprocessor controlled, automatic temperature compensation (ATC), 1 point calibration, user-replaceable sensor.

  • TDSTestr Low in box ... $110.00 + GST

TDSTestr High

Waterproof tester, 0 – 10.0 ppt, resolution 0.1 ppt, microprocessor controlled, automatic temperature compensation (ATC), 1 point calibration, user-replaceable sensor.

  • TDSTestr High in box ... $110.00 + GST

TDSTestr 11

Waterproof tester, 2 ranges: 0 – 1990 ppm and 2.0 – 10.0 ppt, resolution 10 ppm and 0.1 ppt, microprocessor controlled, large display with simultaneous temperature display, automatic temperature compensation (ATC), 2 point calibration, user-replaceable sensor.

  • TDSTestr 11 in box ... $145.00 + GST

TDSTestr 11+

Waterproof tester, 3 ranges: 0 – 199.9 ppm, 200 – 1999 ppm and 2.00 – 10.00 ppt, resolution 0.1 ppm, 1 ppm and 0.01 ppt, microprocessor controlled, large display with simultaneous temperature display, automatic temperature compensation (ATC), 3 point calibration, user-replaceable sensor.

  • TDSTestr 11+ in box ... $175.00 + GST

Replacement Sensors for TDS Testers

  • for TDSTestr Low/High/11 (2-pin type) ... $70.00 + GST
  • for TDSTestr 11+ (cup type) ... $70.00 + GST