TDS Pen

A TDS meter measures the total dissolved solids in water by assessing its electrical conductivity, providing a quick way to detect water purity. It is commonly used for monitoring drinking water, aquaculture, and industrial water applications.
Selection
When selecting, focus on a measurement range that covers common water quality values, calibration functions to ensure data accuracy, automatic temperature compensation to adapt to different environments, and a portable design for convenient on-site use.

Terms

Standards

Instruments

Platinum Sensor ensures fast and stable measurement, supports 1-3 point calibrate and 0.1-1 adjustable TDS conversion factor, with automatic temperature compensation and end point locking function, Measurement range covers 0-20mS/cm conductivity and 0-10ppt salinity.

$ 165.00

With conductivity 0~ 19.99mS/cm Measurement range, accuracy +/- 1.0%, support TDS conversion factor and temperature compensation settings. Platinum-plated black ElectRode reduces Polarization effect, IP67 Protection Rating is suitable for use in a variety of environments.

$ 155.00

Combined ElectRode can simultaneously measure pH, conductivity, TDS, salinity and temperature, support one-button switching paraMeters; Conductivity Detector ElectRode platinum black to reduce Polarization effect, accuracy of +/- 0.01pH; with automatic temperature compensation and IP67 dustproof and waterproof design.

$ 213.00

TDS value 744.7ppm, capacity 480mL, using PTFE bottle Encasement, suitable for daily soluble total solids calibrated.

$ 106.00

Using Platinum Sensor to ensure fast and stable measurement, with 1-3 point Adjustment, Measurement accuracy of 1% F.S., support automatic temperature compensation and replaceable ElectRode design.

$ 160.00

Provides 71.8 ppm TDS value, 480mL capacity, PTFE bottle Encasement, suitable for total dissolved solids calibrating, ensuring measurement accuracy.

$ 106.00

Multi-range design covers the range of 0~ 20ppt, equipped with platinum ElectRode to ensure fast and stable measurement, support 1-3 point calibrating and automatic temperature compensation function, can customize 5 system paraMeters.

$ 156.00

Measurement conductivity range 0uS~ 199uS, TDS range 0ppm~ 1999ppm, accuracy +/- 3%, with automatic temperature compensation and data retention function, easy to carry and use.

$ 117.00

TDS value 7447ppm, capacity 480mL, PTFE bottle Encasement, versatility, suitable for daily solubility total solid calibrate, to ensure measurement accuracy.

$ 106.00

Equipped with 7-inch TFT display, support conductivity, TDS, salinity and other 5 paraMeter measurement, Measurement accuracy of 0.5% F.S, with 1000 data storage and automatic temperature compensation function.

$ 677.00

With +/- 3% F. S accuracy and +/- 1% Repeatability, support 0~ 1999ppm TDS Measurement range, high definition color screen display and automatic temperature compensation function, easy to carry and use.

$ 122.00

Support conductivity, TDS, salinity and resistivity Multi-ParaMeter measurement, conductivity range 0.000 μS/cm to 1000mS/cm, with intelligent end point determination and automatic temperature compensation function.

$ 741.00

Simultaneous measurement of conductivity, resistivity, TDS, salinity and temperature, support automatic temperature compensation and ElectRode diagnosis, Data storage 450 groups, with IP54 dustproof and waterproof rating, Measurement accuracy up to +/- 1.0% FS.

$ 514.00

Support conductivity 0.00μS/cm~ 100mS/cm and TDS 0~ 1000mg/L measurement, with manual/automatic temperature compensation and +/- 0.5% F. S error accuracy to ensure stable and reliable data.

$ 233.00

Plastic film surface tension can be accurately tested, suitable for a variety of printing composite process, can customize ink Color and pen shape, specifications include 10ml to 500ml bottles.

$ 87.00

Articles

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This article explains how TDS instruments estimate total dissolved solids by measuring the electrical conductivity of water. Since most dissolved solids exist in ionic form, which affects conductivity, there is a correlation between the two.
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