TDS water value testing pen

A TDS water testing pen measures the total dissolved solids content in water through electrical conductivity. Its principle is based on the proportional relationship between the current between electrodes and ion concentration, directly displaying the TDS value. It is used for rapid water quality testing in drinking water, purified water from filters, swimming pools, etc., to assess filtration effectiveness or mineral content.
Selection
When selecting, focus on the measurement range covering common water quality levels, with an accuracy error of less than ±2%. Consider automatic temperature compensation functionality, and the electrode should be made of wear-resistant gold-plated material. Check the availability of calibration solutions, and ensure the device’s waterproof rating meets the usage environment requirements. The battery type and battery life should align with portable usage needs.

Terms

Standards

Instruments

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

$ 106.00

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

$ 106.00

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

$ 106.00

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

With pH, conductivity, TDS and temperature Multi-ParaMeter measurement, pH range 0.0-14, EC range 0-3999 μS/cm, supports Automatic calibration and continuous monitoring, waterproof design and large screen display for easy operation.

$ 538.00

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

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

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

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

With 5 measurement functions, support 1 to 5 point Conductivity Detector calibrating and automatic temperature compensation, can customize 13 paraMeters, equipped with 500 data storage and USB Communication interface, suitable for a variety of water quality paraMeters accurate measurement.

$ 667.00

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

It can accurately test the surface tension of the material to the set value, support a variety of Color customization and pen shape selection, suitable for Plastic film and conductive materials and other substrates.

$ 87.00

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