System to determine the quality of a meat product, comprising: - an identifying element consisting of a chip that identifies each meat product by means of the emission and/or reception of an identifying signal of the meat product, wherein said identifying signal comprises at least predetermined puncture requirements and/or a puncture depth (z i) in the meat product, - a device comprising: - positioning means configured to displace a head disposed at one end of an arm of said positioning means, and wherein said head comprises an insertion element configured to be inserted inside said meat product to a predetermined puncture depth (z i), and is configured to measure at least a pH value at a predetermined measurement point (x i, y i, z i), a predetermined puncture point (x i, y i) being in accordance with a prior analysis of the anatomy of said meat product by means of an artificial vision device configured to determine the puncture point (x i, y i) in accordance with the predetermined puncture requirements and anatomy of the meat product and wherein said head comprises a piston with a buffer configured to insert the insertion element inside said meat product to a predetermined puncture depth (z i), and - transmission means for transmitting the pH value to a database and to the identifying element. - an identifying element consisting of a chip that identifies each meat product by means of the emission and/or reception of an identifying signal of the meat product, wherein said identifying signal comprises at least predetermined puncture requirements and/or a puncture depth (z i) in the meat product, - a device comprising: - positioning means configured to displace a head disposed at one end of an arm of said positioning means, and wherein said head comprises an insertion element configured to be inserted inside said meat product to a predetermined puncture depth (z i), and is configured to measure at least a pH value at a predetermined measurement point (x i, y i, z i), a predetermined puncture point (x i, y i) being in accordance with a prior analysis of the anatomy of said meat product by means of an artificial vision device configured to determine the puncture point (x i, y i) in accordance with the predetermined puncture requirements and anatomy of the meat product and wherein said head comprises a piston with a buffer configured to insert the insertion element inside said meat product to a predetermined puncture depth (z i), and - positioning means configured to displace a head disposed at one end of an arm of said positioning means, and wherein said head comprises an insertion element configured to be inserted inside said meat product to a predetermined puncture depth (z i), and is configured to measure at least a pH value at a predetermined measurement point (x i, y i, z i), a predetermined puncture point (x i, y i) being in accordance with a prior analysis of the anatomy of said meat product by means of an artificial vision device configured to determine the puncture point (x i, y i) in accordance with the predetermined puncture requirements and anatomy of the meat product and wherein said head comprises a piston with a buffer configured to insert the insertion element inside said meat product to a predetermined puncture depth (z i), and wherein said head comprises an insertion element configured to be inserted inside said meat product to a predetermined puncture depth (z i), and is configured to measure at least a pH value at a predetermined measurement point (x i, y i, z i), a predetermined puncture point (x i, y i) being in accordance with a prior analysis of the anatomy of said meat product by means of an artificial vision device configured to determine the puncture point (x i, y i) in accordance with the predetermined puncture requirements and anatomy of the meat product and wherein said head comprises a piston with a buffer configured to insert the insertion element inside said meat product to a predetermined puncture depth (z i), and - transmission means for transmitting the pH value to a database and to the identifying element.