Residual chlorine sensors are primarily based on completely different measuring principles, can be divided into diaphragm polarographic sensor and fixed voltage sensor.
Used for steady monitoring of residual chlorine.
เพรสเชอร์เกจ , cathode, anode, electrolyte and cathode covered with a layer of gas permeable skinny movie composition. The remaining chlorine in the tested resolution diffuses to the cathode through the diaphragm, and the cathode and anode are applicable the polarization voltage can scale back the residual chlorine at the cathode, and these chemical reactions occur in the residual chlorine in the measured answer chlorine is proportional to the present.
fixed voltage sensor, composed of two platinum electrodes and a reference electrode to kind a microbattery measurement system. During measurement, a steady electrical potential is maintained at the measuring finish of the electrode, and totally different elements are produced beneath this electrical potential generate different, well linear present intensities.
polarographic sensor is characterised by:
Sensitive reaction, high accuracy, good stability

Simple operation and small upkeep

Suitable for all kinds of media, movie is not simple to wreck, pollution resistance

constant voltage kind sensor is characterized by:
With stable zero efficiency, to make sure accurate and reliable measurement

Simple structure, easy to wash

It is suitable for measuring residual chlorine, chlorine dioxide and ozone in water

Correction:
Zero point correction

Zero correction with chlorine-free water

Slope correction

Actual measurements are made in a transportable or laboratory setting

Make alignment

Matters needing attention:
PH should be managed at 5-8pH

The circulate should be controlled at 60-80L/H

The pressure is within 4bar

Read more about water high quality:
Turbidity meter working precept

Main water high quality indicators

COD VS BOD

What is salinity meter?
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Residual chlorine sensors are based on different measuring rules, could be divided into diaphragm polarographic sensor and constant voltage sensor.
Used for steady monitoring of residual chlorine.
diaphragm polarographic sensor, cathode, anode, electrolyte and cathode covered with a layer of gas permeable skinny movie composition. The remaining chlorine within the examined solution diffuses to the cathode through the diaphragm, and the cathode and anode are acceptable the polarization voltage can cut back the residual chlorine at the cathode, and these chemical reactions happen in the residual chlorine within the measured resolution chlorine is proportional to the current.
constant voltage sensor, composed of two platinum electrodes and a reference electrode to kind a microbattery measurement system. During measurement, a secure electrical potential is maintained at the measuring end of the electrode, and different parts are produced beneath this electrical potential generate different, properly linear present intensities.
polarographic sensor is characterised by:
Sensitive reaction, excessive accuracy, good stability

Simple operation and small maintenance

Suitable for every kind of media, film just isn’t straightforward to damage, air pollution resistance

fixed voltage type sensor is characterised by:
With stable zero performance, to ensure accurate and dependable measurement

Simple construction, straightforward to wash

It is suitable for measuring residual chlorine, chlorine dioxide and ozone in water

Correction:
Zero level correction

Zero correction with chlorine-free water

Slope correction

Actual measurements are made in a transportable or laboratory setting

Make alignment

Matters needing consideration:
PH must be managed at 5-8pH

The flow must be managed at 60-80L/H

The pressure is within 4bar

Read more about water high quality:
Turbidity meter working principle

Main water quality indicators

COD VS BOD

What is salinity meter?