-Maintenance-free, combination pH puncture electrode -Especially for use with solid and semisolid samples -Ideally suited for measurements in meat and cheese -SINGLE PORE makes clogging of the diaphragm practically impossible -Serial number, certificate Specifications : Temperature range: -10 to +60°C pH range: 0 to 14 pH Electrolyte: POLISOLVE (maintenance-free) Shaft material: glass Diaphragm: 2 x SINGLE PORE Reference system: Ag/AgCl Temperature sensor: no Electrical connection: S7 connector head