Liquid Resistivity Measurement Instrument

The liquid resistivity tester measures the resistivity by applying voltage and measuring the current through electrodes in contact with the liquid. It is used to detect the electrical conductivity characteristics of liquids such as coatings and inks, helping to assess impurity content or concentration changes in quality control.
Selection
When selecting a liquid resistivity tester, it is essential to consider the measurement range to match sample characteristics, electrode materials that are corrosion-resistant, temperature compensation to adapt to environmental conditions, ease of calibration to ensure data accuracy, and device dimensions that fit the usage scenario.
Product Type
Measuring Principle
Installation
Resistance Range
Test Voltage/Current
Accuracy
Key Features

Terms

Standards

Instruments

Equipped with 80L/H water pRoduction capacity and 18MΩ · cm resistivity effluent, 7-inch color touchscreen displays water quality and temperature in real time, supports automatic circulation and consumable reminders, is compatible with a variety of water storage methods, and has built-in disinfection function.

$ 4932.00

Adopt electromagnetic force closed-loop measurement system, Measurement range 0-400mN/m, resolution +/- 0.1mN/m, automatically read equilibrate value, support high viscosity liquid and interfacial tension test, simple operation without external computer control.

$ 3331.00

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

With 18.2 MΩ · cm high resistivity effluent, micro particulate matter (PM) less than 1/ml, support automatic circulation and consumable life management, 5.1 inch large screen real-time display of water quality paraMeters, optional disinfection function.

$ 2468.00

Equipped with 3.5-inch TFT color screen and navigation operation, supports conductivity 0~ 2000.0mS/cm automatic segmented measurement, with ElectRode constant optional, manual automatic temperature compensation and 3000 groups of Data storage, using Type-C charging and IP57 protection design.

$ 507.00

Equipped with 7-inch capacitive Touchscreen, intuitive operation; Integrated four-ring Probe, Measurement range is wide and stable, support a variety of compensation algorithms; Large data recording capacity, support a variety of export methods; Suitable for high-purity water, natural water and other water quality measurement.

$ 2176.00

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

Measurement accuracy of 0.5% F. S and wide range of 0.05 µS/cm~ 20mS/cm, support automatic temperature compensation and ElectRode diagnostics, can store 500 sets of data and comply with GLP specifications.

$ 509.00

With anti-corrosion and waterproof performance, supports 7-speed range automatic conversion and 2000 sets of Data storage, can measure conductivity, resistivity, TDS, salinity and temperature, Measurement range covers 0.000 μS/cm to 200.0mS/cm.

$ 364.00

With 40L/H water pRoduction capacity and 18.2MΩ · cm resistivity, 5.1-inch large screen real-time display of water quality, automatic circulation and disinfection system to extend the life of consumables, support regular quantitative water intake, all-plastic shell rust-proof and durable.

$ 2205.00

Supports more than 30 chroma indicators, Measurement accuracy ≤ E * ab ≤ 0.01, single measurement only takes 1.5 seconds, minimum liquid addition is as low as 1ml, equipped with thermostatic sample tank and 7 inch Touchscreen.

$ 4075.00

Using 5cm ³ standard measurement hammer volume, the accuracy of 0.001g, through the V-shaped groove placed riding code recovery equilibrate, can quickly and accurately measurement of liquid specific gravity.

$ 193.00

With 40L/H water pRoduction capacity and 18MΩ · cm resistivity ultrapure water output, the 7-inch touchscreen displays three-way water quality and temperature in real time, supports automatic circulation, consumables reminder and disinfection functions, ensuring stable water quality and low bacterial contamination.

$ 4408.00

With 7-inch TFT display and 1000 data storage, it supports Multi-ParaMeter measurement such as conductivity, TDS, salinity, etc., with an accuracy of 0.5% F.S., automatic temperature compensation and calibrated reminder function to ensure measurement Reliability.

$ 566.00

Adopt electromagnetic force closed-loop measurement system, accuracy +/- 0.02mN/m, support 0-200mN/m range measurement, with automatic lifting and temperature detection functions, can test high viscosity liquids and dynamic surface tension changes.

$ 4458.00

Articles

Lab Mixer Selection - Viscosity Determines Torque
This article mainly discusses how to select a laboratory mixer based on the viscosity of the material. The higher the viscosity, the greater the torque required. Low-viscosity liquids are suitable for high speed and low torque, while high-viscosity materials require low speed and high torque.
Application of Transparent Constant Temperature Water Bath in Visualization of Material Thermal Deformation
The constant temperature water bath provides a stable environment for observing the deformation of materials after heating by maintaining a constant and uniform temperature of the liquid medium.
Improving Efficiency with Vortex Mixers in Biological Sample Pre-treatment
This article primarily discusses how vortex mixers enhance the efficiency of biological sample pretreatment. By generating a vortex motion through an electric motor, they enable rapid and uniform mixing of liquids, saving time and delivering better results compared to traditional manual methods.
Abbe refractometer measures the relationship between refractive index and concentration of liquid coating resins.
This article introduces the method of measuring the refractive index of liquid coating resins using an Abbe refractometer and calculating the concentration based on the relationship between refractive index and concentration.
Negative pressure method leak detector for testing vacuum packaging seal integrity
The negative pressure leak detector evaluates the seal integrity of vacuum packaging by simulating a pressure differential environment. The instrument places the sample in a testing chamber and creates a vacuum to form negative pressure. If there is a leak, air or liquid will seep into the packaging, and the result is determined by observing pressure changes or the presence of bubbles.
Four-probe resistivity tester measures the sheet resistance of conductive polymer films.
This article introduces the method of measuring the sheet resistance of conductive polymer films using a four-probe resistivity tester. Sheet resistance is an important parameter for evaluating the conductivity of films.
The oral dissolving film is uniformly coated by a film applicator and then dried and formed.
Oral dissolving films are prepared by a coating mechanism, where a liquid containing film-forming materials is uniformly applied onto a substrate, followed by drying to remove the solvent and form a solid film.
Abbe refractometer measures the refractive index and concentration of resin liquids.
The Abbe refractometer measures the refractive index of resin liquids using the principle of the critical angle of light, and there is a corresponding relationship between the refractive index and concentration within a certain range.
Surface Tensiometer Evaluates the Wetting and Spreading Properties of Resin Liquids
This article introduces how to use a surface tensiometer to evaluate the wetting and spreading performance of resin liquids. Wetting and spreading affect the adhesion and appearance of products such as coatings and adhesives, and the process can be described by Young's equation and the spreading coefficient.
Key steps for measuring the efflux time of varnish using a viscosity cup method
This article introduces the method for measuring the outflow time of varnish using a viscosity cup. The principle is based on Poiseuille's law, where viscosity is estimated by recording the time it takes for the liquid to completely flow out from the small hole at the bottom of the cup—longer times typically indicate higher viscosity.
Cobb Absorbency Tester Evaluates Paper Water Absorption Capacity
The Cobb water absorption tester is used to measure the water absorption capacity of paper or cardboard by simulating the liquid contact process and calculating the mass of water absorbed per unit area to determine the Cobb value.
Application of Paper Absorbency Tester in Sizing Process
The paper absorbency tester evaluates the absorption performance of paper by measuring the penetration of liquid on the paper. In the sizing process, sizing agents alter the hydrophilicity of the paper fiber surface, thereby affecting the paper's resistance to liquids.
Water Absorption Tester in the Detection of Tissue Paper and Paperboard
This article introduces the application of water absorption testers in the testing of tissue paper and paperboard. The instrument evaluates the water absorption performance of materials by measuring the mass or height of liquid absorbed by the sample, with common methods including the Klemn method and the capillary rise height method.
The flash point tester measures the safety baseline value of the solvent.
The flash point refers to the minimum temperature at which the vapor of a flammable liquid can be ignited. It is not a fixed value but depends on the testing method and instrument. Data measured by flash point testers serve as a critical basis for evaluating the fire risk of solvents and establishing standards for safe storage and operation.
Density Determination: Selection Strategy between Pycnometer Method and Densimeter Method
This article introduces two methods for measuring the density of substances: the pycnometer method and the densimeter method. The pycnometer method calculates density by measuring the mass of a sample of fixed volume. It is suitable for measuring liquids, powders, and small granular solids, offering high precision but slower operation, and requires temperature control.