Acid-base pH Meter

A pH meter measures the hydrogen ion concentration in a solution using a glass electrode, which generates a potential difference that is converted into a pH value through an electrical circuit. It is used to determine the acidity or alkalinity of liquids and is widely applied in fields such as chemical engineering, environmental protection, and food industry to monitor reaction processes and water quality conditions.
Selection
Select electrode material based on the measured medium, using corrosion-resistant electrodes for strong acids and alkalis. Consider precision requirements; choose 0.1 precision for routine testing. Select portable or benchtop models according to the usage scenario, opting for waterproof types for on-site testing. Check for temperature compensation functionality and choose models with automatic compensation when measuring samples with varying temperatures. Pay attention to electrode maintenance methods and select models compatible with the cleaning and calibration procedures.

Terms

Standards

Instruments

The samples were treated by acid-base cooking method, and 6 samples could be measured each time. The repeatability error of the absolute value of crude fiber content below 10% did not exceed 0.4%, and the determination time was about 100 minutes.

$ 912.00

Supports multiple titration types and can store up to 100 titration methods. With a five-point pH calibrate 、 +/- 0.001 pH accuracy and a waterproof body, it can be connected to the Automatic sampler for efficient analysis.

$ 16265.00

Support dynamic titration and preset endpoints and other modes, titration analysis Repeatability of 0.20%, Potential Measurement range -1800.0~ 1800.0mV, can store 200 sets of results and comply with GLP specifications.

$ 4066.00

Supports multiple titration types and Direct Measurement modes with five-point calibrated and 0.001mL resolution Burette, automated setup for Sample injectors, optimized desktop space and waterproof and durable design.

$ 9759.00

It has 0.20% titration analysis Repeatability, supports dynamic titration and other modes, adopts PWM modulation and stirring technology implementation software speed regulation, can store 50 sets of titration results and support firmware upgrade and expansion functions.

$ 3002.00

Adapted to BNC interface pH ElectRode, supports 0.0-14 pH range calibrate, adjustable dose relay configuration is higher or lower than the user set point dosing, with timeout dosing protection function, the delay time is adjustable by 5-30 minutes.

$ 480.00

Impedance input controller, equipped with two-stage signal amplifier, Measurement accuracy of +/- 0.01pH, support for external brands of ElectRode, suitable for harsh industrial environments.

$ 211.00

Contains 1 pack of total nitrogen base Reagent, 1 pack of potassium persulfate powder, 25 packs of anti-interference agent and 25 packs of acid Reagent, suitable for DGB-401 instrument, providing complete detection components.

$ 164.00

Measurement accuracy up to +/- 0.05PH, Repeatability +/- 0.03PH, equipped with LCD large screen display, support data retention and automatic temperature compensation function, easy and reliable operation.

$ 105.00

Measurement accuracy up to +/- 0.05pH, Repeatability +/- 0.03, support 0-70 ℃ temperature compensation range, equipped with 3.7V rechargeable lithium battery, LCD large screen dual display design for easy reading.

$ 115.00

The PHY Glass membrane is used to withstand strong acid and alkali corrosion, and the membrane Impedance is less than 500MΩ to ensure the measurement Stability; the porous PTFE liquid complex and 3M KCl gel electrolysis solution are designed to improve the anti-pollution performance, suitable for 0-130 ℃ high temperature environment.

$ 296.00

With 7-inch color Touchscreen and intelligent Operating system, support 5 ElectRode management and 1000 groups of Data storage, measurement resolution up to 0.001pH, provide Smart-Read, Timed-Read, Cont-Read three reading modes.

$ 1276.00

Double ceramic dialysis pore structure, Measurement range 0-14pH, temperature resistance 0-100 ℃, suitable for extreme samples such as strong acid and alkali, spherical ElectRode head design to improve Response Stability.

$ 519.00

Measurement accuracy up to 0.01pH, support manual temperature compensation 0~ 60 ℃, built-in smart chip can be one point, two points or three points Automatic calibration to ensure stable and reliable measurement.

$ 136.00

Measurement range 0-14pH, Temperature range 5-60 ℃, Liquid junction of fiber single salt bridge, shell made of polycarbonic acid ester and sensitive film Glass bulb.

$ 89.00

Articles