Disposable three-electrode electrochemical The sensors are made on a polyethyleneterephthalate substratewg-by stencil printing. At the end of it. Each sensor has three silver electrical contacts, arranged with 2.54 mm pitch. Sensor spacing is covered with a layer of dielectric protection.

Specification
| Designation | SPE-F-01-1 |
| Working electrode's diameter | 2 mm. |
| Reference electrode's size | 1,5x2,5 mm |
| Attitude of the areas of the auxiliary and working electrodes | 4/1 |
| Sensor's size | 28x10 mm |
| Sensor's thickness | 190 microns. |
| Electrode coatingsthickness | 10 microns. |
| Coverage working electrode | graphite |
| Auxiliary electrode's coverage | graphite |
| Coverage reference electrode | Ag/AgCl |