Data Sheet

Conductivity Electrode User Manual
1. Application
This conductivity electrode is the measuring element of the conductivity meter. It used to
measure the conductivity value of the aqueous solution or as a conductance titration.
2. Model and Main Technical Parameters
Model
DJS-0.1
260
DJS-1
DJS-10
Vessel
Constant
0.1±0.02
0.6±0.2
1±0.2
10±2
3. Use and Maintenance
1. There are two kinds of conductivity electrode, shiny electrode and platinum black
electrode. platinum-plated black aims to increase the effective area of the electrode sheet
and relieve being polarized. So in the measurement of large conductivity solutions, using
a platinum black electrode is more appropriate.
2. For the platinum black electrode, before use, it can be immersed in deionized water to
prevent the platinum black inerting.
3. When platinum black coating off or fade, then you must re-plating platinum black to
ensure the accuracy of the measurement readings.
4. The cell constant marked on the electrode is just for reference. If you want to test the cell
constant is accurate or not, you can lookup the corresponding conductivity value K
according to the concentration and temperature of the tested solution. Then the cell
constant Q is calculated based on the measured resistance R .
The formula is Q = K × R .
See table below for details:
Model
Solution
Concentration
Solution
Temperature( ℃)
Conductivity Value
25
1.468×10
-4
DJS-0.1
0.001mol/L KCL
30
1.64×10
-4
25
1.413×10
-3
260、DJS-1
0.01mol/L KCL
30
1.522×10
-3
25
1.28×10
-2
DJS-10
0.1mol/L KCL
30
1.414×10
-2
4. Quality Warranty
1. The quality assurance of the electrode is the period for stored. It is about one year.
2. During the warranty period, if you find some problems caused by factories and not
working, the manufacturer should be responsible for the repair or return.