Residual chlorine sensors are based mostly on completely different measuring principles, may 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 film composition. The remaining chlorine in the tested resolution diffuses to the cathode by way of the diaphragm, and the cathode and anode are applicable the polarization voltage can reduce the residual chlorine on the cathode, and these chemical reactions occur within the residual chlorine within the measured answer chlorine is proportional to the current.
fixed voltage sensor, composed of two platinum electrodes and a reference electrode to form a microbattery measurement system. During เกจวัดความดันpressuregauge , a secure electrical potential is maintained at the measuring finish of the electrode, and completely different components are produced beneath this electrical potential generate totally different, well linear current intensities.
polarographic sensor is characterised by:
Sensitive reaction, excessive accuracy, good stability
Simple operation and small upkeep
Suitable for all types of media, movie is not straightforward to wreck, air pollution resistance
constant voltage type sensor is characterised by:
With stable zero efficiency, to make sure accurate and reliable measurement
Simple construction, straightforward to wash
It is appropriate 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 conveyable or laboratory setting
Make alignment
Matters needing consideration:
PH ought to be managed at 5-8pH
The flow ought to be controlled 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 based mostly on totally different measuring ideas, can be divided into diaphragm polarographic sensor and constant 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 movie composition. The remaining chlorine within the examined resolution diffuses to the cathode via the diaphragm, and the cathode and anode are appropriate the polarization voltage can reduce the residual chlorine on the cathode, and these chemical reactions happen within the residual chlorine in the measured solution chlorine is proportional to the current.
constant voltage sensor, composed of two platinum electrodes and a reference electrode to type a microbattery measurement system. During measurement, a secure electrical potential is maintained at the measuring end of the electrode, and completely different parts are produced under this electrical potential generate totally different, properly linear current intensities.
polarographic sensor is characterised by:
Sensitive reaction, high accuracy, good stability
Simple operation and small upkeep
Suitable for all kinds of media, movie just isn’t easy to damage, air pollution resistance
fixed voltage kind sensor is characterized by:
With steady zero performance, to make sure correct and reliable 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 portable or laboratory setting
Make alignment
Matters needing consideration:
PH should be controlled at 5-8pH
The move must be controlled at 60-80L/H
The stress is within 4bar
Read more about water quality:
Turbidity meter working principle
Main water high quality indicators
COD VS BOD
What is salinity meter?