Electric Potential microelectrode
With the Electric Potential Microelectrode, you can measure gradients in electric potential with very high spatial resolution thanks to the fast response and a tip diameter of 100 µm. Read more...
Quantify minute differences in electric potential
The Electric Potential microelectrode was originally invented for measuring extremely small gradients in electric potential in sediments (Damgaard et al., 2014). However, it can be used in any application for quantifying minute differences in electric potential in microscale and over large distances.
The Electric Potential microelectrode measures the difference in electric potential between the tip of the Electric Potential microelectrode and the reference electrode. The principle is identical to the originally published microelectrode (Damgaard et al., 2014), and the design has been slightly modified for safe shipping. The microelectrode does not require calibration. You only need to zero the signal under measurement conditions.
The signal is shielded very effectively against electrical noise, making it possible to resolve differences in electric potential of a fraction of a mV. The microelectrode may be used at salinities between freshwater and full ocean seawater.
|Feature||Standard||Options||Extra price for option selection|
|Total length||150-200 mm||70-350 mm||20-50%|
|Diameter 20 mm from tip||<2 mm||<1 mm||10%|
|Diameter 50 mm from tip||8 mm||<2 mm||20%|
|Glass shaft diameter||8 mm|
|Plastic shaft protection diameter*||11 mm||Can be omitted|
*When mounted with in situ mini connectors, the shaft has no protection mounted, but fits directly into the in situ sensor mounts with pressure compensation. In situ sensors have a standard length of 130-160 mm.
|Item||Standard||Options||Extra price for option selection|
|Cable||Co-axial, 3 mm|
|Cable length||1.5-2 m||0-20 m||Yes, depends on length|
|Connector||LEMO||BNC adapter||Yes, order separately|
|In situ gold pin connectors||No||Yes|
|Attribute||Standard||Options||Extra price for option selection|
|Guaranteed lifetime||3 months|
|Expected lifetime||6 months|
|Reference type||Ag+ / AgCl|
|Electric Potential Glass Electrode||Size and description||Options||Extra price for option selection|
|EP-100||90-110 µm - microelectrode||40-60 µm | 180-200 µm||20%|
Amplifier portfolio for all Unisense sensors and electrodes including optical sensors
Economic amplifier portfolio for single analytes - O2, pH/mV, H2, N2O or H2S
Reference electrode for pH or Redox microelectrodes
Freeware for sensor calibration and data logging. Choose Logger+ to add motor control.
Calibrate, control, program, analyze, and visualize your microsensor measurements