Products > By Parameter
> ORP/Redox
Oxidation-Reduction Potential
(ORP) or Redox potential measurements are
used to monitor chemical reactions, to quantify
ion activity, or to determine the oxidizing
or reducing properties of a solution. ORP
is a measurement of the electrical potential
of a redox reaction and serves as a yardstick
to judge how much oxidation or reduction takes
place under existing conditions.
ORP electrodes measure the voltage
across a circuit formed by the measuring metal
half cell and the reference half cell. When
the ORP electrode is placed in the presence
of oxidizing or reducing agents, electrons
are constantly transferred back and forth
on its measuring surface, generating a tiny
voltage. The ORP measurement can be made using
the millivolt mode of a pH meter.
Major areas of usage include
the treatment of industrial wastes, study
of biological systems, oxidation of cyanide,
bleaching of pulp, manufacture of bleach and
reduction of chromate wastes. The measurement
of ORP is also useful in pool water treatment
as an indication of sanitation in relation
to free chlorine parameter.
Eutech offers a wide range of
ORP meters that measure both pH and ORP values
in various educational, laboratory and industrial
applications. These include ORPTestr™10 pocket
tester, portable
meters CyberScan Series pH 300, pH 310, pH
11 and pH 110, EcoScan pH 6 and the CyberScan
bench meter series 510, 1100, 2100, 1500 and
the colour touchscreen research-grade series
6000.
Browse by product type:
• Pocket-sized
Testers
• Palmtops
• Portables
• Waterproof
• Benchtops
• Process
Electrodes
• Laboratory
Electrodes
Model |
Meter
Highlights |
Parameter |
Range |
Memory |
|
|
Platinium ring
electrode
|
mV
|
-999 to +1000 mV
|
|
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Model |
Meter
Highlights |
Parameter |
Range |
Memory |
| |
Economical
pH, ORP
measurement
|
pH/mV/°C
|
0.00 to 14.00 pH
|
No
|
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| CyberScan
Standard Portable |
|
Model |
Meter
Highlights |
Parameter |
Range |
Memory |
|
|
Standard Portable
|
pH/mV/°C
|
-2.00 to 16.00 pH
|
50 data sets
|
| |
Expanded
memory, RS232
output
|
pH/mV/°C/°F
|
-2.00 to 16.00 pH
|
100 data sets
|
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Model |
Meter
Highlights |
Parameter |
Range |
Memory |
|
|
Waterproof
Portable
|
pH/mV/°C
|
-2.00 to 16.00 pH
|
16 data sets
|
| |
Waterproof,
GLP
|
pH/mV/°C/°F
|
-2.00 to 16.00 pH
|
50 data sets
|
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Model |
Meter
Highlights |
Parameter |
Range |
Memory |
|
|
Dual display
standard bench
|
pH/mV/°C
|
0.00 to 14.00 pH
|
50 data sets
|
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Model |
Meter
Highlights |
Parameter |
Range |
Memory |
|
|
Back-lit dual-
display
|
pH/mV/°C/°F
|
-1.000 to 14.000 pH
|
100 data sets
|
|
|
Back-lit dual-
display Ion
concentration
measurement
|
pH/mV/Ion/°C/°F
|
-1.000 to 14.000 pH
|
100 data sets
|
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Model |
Meter
Highlights |
Parameter |
Range |
Memory |
|
|
Extensive display
|
pH/mV/°C/°F
|
-1.999 to +19.999 pH
|
100 data sets
|
|
|
Windows®
CE-driven
single channel colour touchscreen (with
pH FET) |
pH/mV/
°C/°F |
-2.000
to +20.000 pH |
10,000
data sets |
|
|
Windows®
CE-driven
single channel colour touchscreen (with
pH FET) |
pH/mV/Ion/
°C/°F |
-2.000
to +20.000 pH |
10,000
data sets |
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Model |
Sensor |
Temperature
Range |
Pressure
Tolerance |
PMP |
|
|
Gold
|
0 to 80 °C
|
6 bars
|
Platinum
|
|
|
Platinum
|
0 to 80 °C
|
6 bars
|
Platinum
|
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Model |
ORP
Range |
Temperature
Range |
Shaft
Material |
Reference
Element |
|
|
-1000 to 1000 mV
|
0 to 80 °C
|
Plastic
|
Ag/AgCl sealed
|
|
|
-1000 to 1000 mV
|
0 to 80 °C
|
Plastic
|
Ag/AgCl refillable
|
|
|
-1000 to 1000 mV
|
0 to 80 °C
|
MPC
|
Ag/AgCl sealed
|
|
|
-1000 to 1000 mV
|
0 to 80 °C
|
Plastic
|
Ag/AgCl refillable
|
|
|
-1000 to 1000 mV
|
0 to 80 °C
|
Epoxy
|
Ag/AgCl sealed
|
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