NTC10K 0~80℃ Temp. Compensation Glass PH Sensor For Dirty Water

NTC10K 0~80℃ Temp. Compensation Glass PH Sensor For Dirty Water

To measure pH, an indicator electrode that is sensitive to hydrogen ions must be used. The principle of measurement is to use a hydrogen ion sensitive glass membrane sensor to detect the signal generated between the sensor and the sample solution. However, the indication potential of the pH electrode alone is not enough, we also need a second electrode. The second electrode can provide a stable reference signal or potential to the indicator electrode. Measuring pH must use these two electrodes of different potentials together. The pH electrode generates an electrical signal according to the hydrogen ion concentration, and the magnitude of the electrical signal determines the pH of the solution.

The reference electrode does not respond to the concentration of hydrogen ions, so it can provide the same and stable potential for the pH indicator electrode. The potential between the two electrodes can determine the pH value of the solution, that is, the number of hydrogen ions in the solution. The potential is a linear function of the hydrogen ion concentration in the solution. The pH measurement consists of two separate electrodes, the pH indicating electrode and the reference electrode. It is now very common to combine two separate electrodes into one composite electrode.

Specification:

Please click the catalog of pH controller here:

Daruifuno Catalog.pdf

Brief introduction:

• The glass head of the pH probe sensor is low-impedance hemispherical. It has high strength and does not break easily, it helps enhance the accuracy of measurement.
• The reference electrode of the pH probe sensor is Ag/AgCl, filled KCL colorless high-temperature gel. The gel electrode is an upgraded and improved version of the liquid electrode that is low maintenance and suitable for online measurements in demanding applications and can last long after several cleanings and disinfection.
• A porous diaphragm has the characteristics of fast penetration, fast response, not easy to block, and easy cleaning.
• A mounting thread of size PG13.5 is provided at the end of the electrode for easier installation.
• The pH probe is equipped with standard 5m low noise leads.

Aplication:

Water treatment monitoring

Drinking water,surface water,water quality analyze,ground water,ect.

Industrial process monitoring and dosing control

Chemical,petroleum,paper,food and medicine,PCB manufacturing,etc.

FAQ

1. What is themeasurement principle of this pH electrode?
A: The pH value potentiometric method uses the potential difference of glass electrodes for pH measurement.

2. How is this glass pH electrode composed?
A: The pH electrode is usually composed of an indicator electrode and a reference electrode.

3. How to judge the pH of the solution?
A: If the internal hydrogen ion concentration of the pH glass bulb is lower than the outside, the measured solution is recorded as acidic and the pH value is lower than 7;

if the two are the same, the solution is neutral and the pH value is equal to 7;

if the internal hydrogen ion concentration is higher than externally, the measured solution is alkaline and the pH value is higher than 7.

4. What is the wire length of the pH electrode?
A: The lead wire of this electrode is 5m by default, other lengths need to be customized, contact our customer service, the price will vary with the change of length.