What are the total points of maintenance of the electrodes of the conductivity tester?

The Conductivity Tester is a multi-range instrument that meets the inspection requirements
of applications ranging from deionized water to seawater.

The instrument provides automatic temperature compensation and the ability to set the temperature coefficient, so it can be used to measure liquid samples
with a different temperature coefficient than water.

It is capable of three ranges and has an automatic range selection function to automatically select the most appropriate range
during inspection.

Conductivity meter is suitable for precision measurement of a variety of liquid media instruments and equipment, conductivity meter is mainly used to accurately measure the conductivity value of liquid medium, when equipped with the corresponding constant electrode can accurately measure the conductivity of high-purity hydropower
.

It can be widely used in drinking water and wastewater, chemical, petrochemical, pulp and paper, food and beverage, sugar, steel, surface treatment, steam power generation and electronic products, semiconductor, pharmaceutical industry
.

The use of conductivity meter electrode 1, in order to ensure the measurement accuracy of the conductivity instrument, if necessary, before the instrument is used, the conductivity meter should be used to re-calibrate the electrode constant, at the same time, the conductivity electrode constant calibration should be carried out regularly, such as the occurrence of large errors should be replaced in time
.

2, in the measurement of high purity water should avoid pollution, correctly select the constant of the conductivity meter electrode, and it is best to use sealed, flow measurement method
.

Otherwise, its conductivity value will quickly increase, because after the carbon dioxide in the air dissolves into high-purity water, it becomes a conductive carbonate ion and affects the measured value
.

3.
In order to ensure the measurement accuracy, the conductivity meter electrode should be rinsed with less than 0.
5us/cm deionized water (or distilled water) twice before use, and then, only after rinsing with the test sample can it be measured
.

4, the value displayed after the instrument measurement has been converted to 25 ° C measurement value, if there is no need to compensate, the temperature electrode instrument shows 25 ° C, the measured value is the conductivity value of the solution at that time
.

Maintenance of conductivity meter electrode 1.
Conductivity meter electrode storage bright platinum electrode Platinum black platinum electrode (long-term non-use) is generally stored in a dry place, but platinum plated black platinum electrode must be placed in distilled water for several hours before use, and the frequently used platinum black electrode can be stored in distilled water
.

2.
Cleaning of the conductivity meter electrode (1) Can be stained with organic components on the electrode with warm water containing detergent, and can also be cleaned
with alcohol.

(2) Calcium and magnesium precipitates are best cleaned
with 10% citric acid.

(3) The shiny platinum electrode can be mechanically cleaned with a soft brush, but no notch can be generated on the surface of the electrode, and it is absolutely not possible to use hard objects such as screwdrivers to remove the electrode surface, and even when cleaning with a soft brush, special attention should be paid.


(4) For platinum-plated platinum electrodes, they can only be cleaned by chemical methods, and when cleaned with a soft brush, the plating layer (platinum black)
plating on the surface of the electrode will be destroyed.

Dedicated to environmental monitoring, Harveson specializes in the development, manufacture and sale of innovative, reliable and cost-effective water analytical instruments and water quality testing solutions
.

We are committed to providing excellent water quality monitoring solutions
for users in various fields such as drinking water, surface water, municipal sewage, industrial wastewater, industrial circulating water, and university research.