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General Catalog 150-03
2000 Series
2000 Series
Combined pH electrodes without liquid junction
2000 Series

• High chemical resistance
• Pressure limit: up to 20 bar
• Long lifetime
• Without liquid bridge
• No KCl leaking
APPLICATIONS
• Ultrapure water
• WWTP
• Polluted fluids (acids such as H2S, NH3, etc.)
• Dirty fluids (convenient if coatings remain humid and conductive)
• Fluids with sulfides (eg, sulfur recovery plants)
• Measurements in fluids with suspended solids and emulsions
DESCRIPTION
Standard electrodes are generally provided with a porous junction which allows the reference system to come into contact with the monitored solution. When high pressure or temperature occur, or with highly basic or acid solutions, the monitored fluid may penetrates in the reference system. In this case, the electrode is quickly contaminated and out of use.
 
The 2000 series electrodes have an Ag / AgCl reference cell incorporated in an ion-conductive polymer, the outer surface of which forms a static electrolyte and the contact bridge. These electrodes are not using a ceramic or any kind of diaphragm. So, the reference system is protected from pollution and poisoning by pollutants.
 
Compared to conventional electrodes, the 2000 series electrodes therefore have a much wider range of applications and a much longer lifetime.
TECHNICAL FEATURES
Type
:
Combined electrode
Reference junction
:
Non porous and solid interface with ionic conductivity Ag/ AgCl in KCl 2.8 mol/L
Measuring range
:
0... 13 pH
Impedance Glass pH/Reference
:
< 400 MΩ / 1 MΩ
Pressure
:
0... 20 bar
Temperature
:
0... 100 °C
Dimensions
:
12 x 120 mm
Connector
:
S8 type
Fitting
:
PG 13.5
CODE NUMBER AND REFERENCE
Code Reference Description
150 370
2001
pH combined electrode (non porous junction)
General Catalog 150-03
20/11/2018 18:05
Combined pH electrodes without liquid junction
2000 Series
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