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Oakton TDSTestr® 11 Plus
TDS Pocket Tester

USA Toll Free: 1-800-730-0302 Tel: 416-240-1920 -

Oakton TDSTestr® 11 Plus TDS Pocket Tester

Eutech pH 200 Controller, Oakton InstrumentsThree range instrument covers most applications

  • Cup or dip style testing in a convenient pocket sized meter

  • Single or one point per range calibration

  • Auto shutoff, low-battery indicator, error messages

Never watch a tester sink to the bottom of your tank or pond! These waterproof testers float, so there's no need to worry. Valox housing and stainless steel electrodes offer good chemical compatibility and durability. All waterproof Testrs have replaceable sensors. Reuse the meter body many times without losing waterproof and dustproof protection.

TDSTestr® 11 Plus Manual

See a video demonstration of how to calibrate your Oakton TDSTestr

TDSRange 0 to 200.0, 0 to 2000 ppm; 0 to 10.00 ppt
TDSResolution 0.1, 1 ppm; 0.01 ppt
Accuracy +/-1% full-scale (of range)
Calibration Push button, one point per range
Temperature 32 to 122ºF (0 to 50ºC)
Waterproof/Dustproof (IP67) Yes
Electrode Replaceable
Power Four 1.5V batteries (included)
Battery life >150 hours
Dimensions 6-1/2"L x 1-1/2" diameter
Shipping weight 0.45 lbs



About Us

Metex Corporation Limited has been providing superior products and services to the process control, chemical treatment, waste water, industrial and manufacturing industries for over 25 years. It is our goal to continually provide our customers with the best possible equipment, technology, and service.


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Dataloggers, sensors, pumps, recorders, hand held instruments, flow instrumentation, level controls, valves, instrumentation, containers, tanks, transmitters, data loggers, digital indicators, mixers and agitators, pressure intrumentation, analyzers and controllers for a variety of industrial applications such as water quality, pH/ORP and more.

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