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General Catalog 150-01
pH - ORP
pH - ORP
Industrial applications electrodes
pH - ORP


All types = Ø 12 mm,
length 120 mm, PG 13.5
• Suitable with mainly all pH-meters
• Combined electrodes (measurement + reference)
• For connectors type S7
• Gel electrolyte
DESIGN
Reference system:
When no specific mention applies, our electrodes use a reference system as Ag/
AgCl with a porous reference junction in ceramic: theoretical zero is at pH 7 (0 mV).
Theoretical gain is close to 58 mV per pH units (at 20°C).
Fluid conductivity must be over 50 μS/cm
 
pH combined electrodes:
Glass and reference electrodes are always as a combination system.
The measuring electrode is totally protected by the surrounding low resistive electrolyte from the reference electrode. The measuring area corresponds to special glass bulb end.
 
ORP combined electrodes:
For these electrodes, the glass bulb is replaced by a metallic element, in platinum or gold. Gold is mainly used for ORP measurement in liquids containing cyanides.
DIMENSIONS - MOUNTING
All our electrodes have a S8 plug to receive a coaxial connector ref. 9054. Safe fitting and water tightness is ensured with a threaded connector type Pg 13.5. Our industrial electrodes fit on adapted electrode holders, in order to protect them
and for optimized measurements.
 
For immersion in tank please see the data-sheets 130-01, 135-01 and 145-01.
For in-line flow through cells see the data-sheets: 140-01, 140-02, 141-01 and 142-01.
CODE NUMBERS AND FEATURES
Code Type Parameter Range Element
150 210
9321 pH
0...12 pH
Glass
150 112
9308 RP
pH
0...14 pH
Glass
150 113
9308 RP2
pH
0...14 pH
Glass
150 342
9387 pH
0...14 pH
Glass
150 117
9318 RD
ORP
±2000 mV
Platinum
150 120
9312 OR
ORP
±1500 mV
Gold (ring)
150 125
9326 F
pH
0...12 pH
Glass

 

Code
P max.
T° max.
Junction
PG 13.5
150 210
6 bar
-30...+30 °C
Ceramic (x3)
Fixed
150 112
6 bar
-5...+60 °C
Ceramic (x1)
Fixed
150 113
10 bar
-5...+70 °C
PTFE
Rotating
150 342
10 bar
-5...+100 °C
Ceramic (x1)
Fixed
150 117
6 bar
-5...+80 °C
Ceramic (x1)
Fixed
150 120
2 bar
-5...+70 °C
Ceramic (x1)
Rotating
150 125
6 bar
-5...+60 °C
PTFE Fixed
General Catalog 150-01
20/11/2018 12:18
Industrial applications electrodes
pH - ORP
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