Drinking Water Quality Tester TDS

The TDS water quality tester for drinking water measures the total dissolved solids content in water through electrodes, reflecting the concentration of inorganic salts and organic matter. It is used for rapid assessment of water quality in daily drinking water and water from purifiers, with lower values indicating fewer impurities in the water.
Selection
When selecting, ensure the measurement range covers common water quality parameters of 0-1000 ppm, with accuracy error controlled within ±2%. Prioritize models with automatic temperature compensation and replaceable electrodes. Consider a portable design for on-site testing and check the availability of calibration solutions.

Terms

Instruments

Measurement range 0.00-2 ppm, accuracy +/- 0.10ppm, support CAL CheckTM function verification accuracy, suitable for rapid analysis of fluoride content in drinking water.

$ 215.00

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

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

ED test technology integrates 8 specific absorption peak wavelengths, can detect more than 50 water quality items, supports user-defined 100 Measuring methods, with IP65 Protection Rating and 2000 sets of Data storage capabilities.

$ 1806.00

Simultaneous measurement of 7 water quality paraMeters, turbidity Measurement range 0-50NTU, accuracy +/- 5%, in line with USEPA 180.1 standard, with chroma compensation and Illuminant automatic compensation function, reducing interference without frequent calibrating.

$ 2363.00

It can simultaneously measure 10 water quality paraMeters, IP67 waterproof level, 45000 sets of data storage capacity, automatic temperature compensation and Adjustment to ensure accurate and reliable measurement.

$ 2529.00

With high and low turbidity ranges (0.00-9 and 100-1000NTU) and residual chlorine total chlorine measurement (0.00-5 mg/L), using EPA-specific Illuminant, supporting chroma compensation and Automatic calibration, storing 200 sets of data, suitable for a variety of water quality testing scenarios.

$ 2505.00

With 12 water quality paraMeter detection capabilities, resolution of 0.001mg/L, Repeatability 2%, micro-processing technology and long-life Illuminant, support custom Linear dispersion calibrating and data smoothing.

$ 1058.00

Measurement range pH 0.00-14, EC 0.00-20 mS/cm with automatic temperature compensation and stable reading lock function for easy operation.

$ 409.00

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

$ 106.00

Support pH, conductivity, TDS and other seven paraMeter measurement, Data storage 450 groups, with automatic temperature compensation and ElectRode diagnostic function, dustproof and waterproof grade IP54, Measurement accuracy of +/- 0.01pH.

$ 772.00

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

It can simultaneously measure conductivity, TDS, salinity, resistivity and dissolved oxygen 5 paraMeters, equipped with automatic temperature compensation and calibrate reminder function, built-in storage of 500 sets of data and support USB transmission, using multi-mode power supply scheme to ensure long-term field use.

$ 630.00

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

Measurement range 0~ 500 ppm, accuracy +/- 3 ppm, support for CAL CheckTM Adjustment, suitable for a variety of water quality testing scenarios.

$ 215.00

Articles

Wavelength selection for the determination of sulfate content in water quality using photometric titrator
This article discusses how to select the wavelength when using a photometric titrator to determine the sulfate content in water. The core issue lies in the fact that wavelength selection directly affects the accuracy and anti-interference capability of the detection.
Conductivity meter measures the conductivity of water extract from pulp.
This article introduces the method of measuring the electrical conductivity of pulp water extracts using a conductivity meter. Electrical conductivity reflects the content of soluble ions in pulp, which is used to evaluate washing effectiveness and the impact of water quality.
Practical Application of Spectrophotometer in COD, Ammonia Nitrogen, and Total Phosphorus Determination
This article introduces the practical applications of spectrophotometers in measuring key water quality indicators—Chemical Oxygen Demand (COD), Ammonia Nitrogen, and Total Phosphorus.
How to Choose a Suitable Multi-Parameter Water Quality Analyzer Based on Detection Indicators
When selecting a multi-parameter water quality analyzer, the first step is to clarify the parameters that need to be measured, such as physical, chemical, or biological indicators, because different parameters require different detection principles, measurement ranges, and accuracy levels for the instrument.
How to choose between laboratory benchtop and portable water quality testing instruments
When selecting a water quality analyzer, the primary consideration is whether the testing task is conducted in a laboratory or on-site. Benchtop analyzers are suitable for laboratories, offering high precision, excellent stability, and the ability to handle large sample volumes. Portable analyzers are designed for fieldwork or emergencies, emphasizing rapid results, ease of operation, and strong environmental adaptability.
How can multi-parameter water quality analyzers avoid cross-contamination and improve data accuracy?
This article mainly discusses how to avoid cross-contamination in multi-parameter water quality testing to ensure data accuracy. Cross-contamination refers to the residue from a previous sample affecting the results of the next sample, which may lead to data deviation.
Which is more convenient for water hardness testing: the electrode method or the titration method?
Both electrode method and titration are used to measure water hardness. The choice depends on specific needs: opt for the electrode method for speed, and choose titration for accuracy.
Application of UV-Visible Spectrophotometer in the Detection of Heavy Metals in Water
This article introduces the application of ultraviolet-visible spectrophotometry in the detection of heavy metals in water.
How does the instrument calculate total dissolved solids in water from conductivity?
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.