Residual chlorine sensors are based mostly on different measuring rules, may be divided into diaphragm polarographic sensor and constant voltage sensor.
Used for digital pressure gauge of residual chlorine.
diaphragm polarographic sensor, cathode, anode, electrolyte and cathode covered with a layer of fuel permeable skinny movie composition. The remaining chlorine within the tested answer diffuses to the cathode via the diaphragm, and the cathode and anode are appropriate the polarization voltage can scale back the residual chlorine on the cathode, and these chemical reactions happen in the residual chlorine within the measured solution chlorine is proportional to the current.
fixed voltage sensor, composed of two platinum electrodes and a reference electrode to type a microbattery measurement system. During measurement, a stable electrical potential is maintained on the measuring finish of the electrode, and totally different elements are produced underneath this electrical potential generate completely different, well linear present intensities.
polarographic sensor is characterized by:
Sensitive reaction, excessive accuracy, good stability
Simple operation and small upkeep
Suitable for all kinds of media, film is not simple to break, air pollution resistance
fixed voltage type sensor is characterised by:
With stable zero efficiency, to make sure accurate and dependable measurement
Simple construction, straightforward to scrub
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 must be managed at 5-8pH
The circulate should be managed at 60-80L/H
The stress is within 4bar
Read more about water quality:
Turbidity meter working precept
Main water quality indicators
COD VS BOD
What is salinity meter?
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Residual chlorine sensors are primarily based on completely different measuring principles, may be divided into diaphragm polarographic sensor and fixed voltage sensor.
Used for continuous monitoring of residual chlorine.
diaphragm polarographic sensor, cathode, anode, electrolyte and cathode lined with a layer of gas permeable thin film composition. The remaining chlorine within the examined answer diffuses to the cathode via 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 within the measured resolution chlorine is proportional to the current.
fixed 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 finish of the electrode, and completely different elements are produced under this electrical potential generate completely different, nicely linear present intensities.
polarographic sensor is characterised by:
Sensitive response, excessive accuracy, good stability
Simple operation and small upkeep
Suitable for all types of media, film is not easy to wreck, pollution resistance
constant voltage sort sensor is characterised by:
With stable zero performance, to make sure correct and reliable measurement
Simple structure, simple to scrub
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 portable or laboratory setting
Make alignment
Matters needing attention:
PH should be managed at 5-8pH
The flow ought to be controlled at 60-80L/H
The stress is inside 4bar
Read more about water high quality:
Turbidity meter working precept
Main water quality indicators
COD VS BOD
What is salinity meter?