A differential pressure sensor comprising: a differential pressure sensor package comprising a first hose coupling nozzle and a second hose coupling nozzle , wherein the differential pressure sensor comprises an adaptor device comprising: a base body , the base body comprising a first reception for receiving the first hose coupling nozzle and a second reception for receiving the second hose coupling nozzle , wherein the first and second receptions are spaced apart from one another by a first distance (d); a first connecting nipple for receiving a first hose, the first connecting nipple having a first muzzle opening and being attached to the base body and connected to the first reception by a first passage ; and a second connecting nipple for receiving a second hose, the second connecting nipple having a second muzzle opening and being attached to the base body and connected to the second reception by a second passage , wherein the first and second muzzle openings are spaced apart at a second distance (D), wherein the second distance (D) is longer than the first distance (d); wherein the adaptor device is configured to be connected to the differential pressure sensor package , and wherein the adaptor device is further configured to receive, upon connection with the differential pressure sensor package , the first and second hose coupling nozzles in the first and second receptions , respectively. a differential pressure sensor package comprising a first hose coupling nozzle and a second hose coupling nozzle , wherein the differential pressure sensor comprises an adaptor device comprising: a base body , the base body comprising a first reception for receiving the first hose coupling nozzle and a second reception for receiving the second hose coupling nozzle , wherein the first and second receptions are spaced apart from one another by a first distance (d); a first connecting nipple for receiving a first hose, the first connecting nipple having a first muzzle opening and being attached to the base body and connected to the first reception by a first passage ; and a second connecting nipple for receiving a second hose, the second connecting nipple having a second muzzle opening and being attached to the base body and connected to the second reception by a second passage , wherein the first and second muzzle openings are spaced apart at a second distance (D), wherein the second distance (D) is longer than the first distance (d); wherein the adaptor device is configured to be connected to the differential pressure sensor package , and wherein the adaptor device is further configured to receive, upon connection with the differential pressure sensor package , the first and second hose coupling nozzles in the first and second receptions , respectively. a base body , the base body comprising a first reception for receiving the first hose coupling nozzle and a second reception for receiving the second hose coupling nozzle , wherein the first and second receptions are spaced apart from one another by a first distance (d); a first connecting nipple for receiving a first hose, the first connecting nipple having a first muzzle opening and being attached to the base body and connected to the first reception by a first passage ; and a second connecting nipple for receiving a second hose, the second connecting nipple having a second muzzle opening and being attached to the base body and connected to the second reception by a second passage , wherein the first and second muzzle openings are spaced apart at a second distance (D), wherein the second distance (D) is longer than the first distance (d); wherein the adaptor device is configured to be connected to the differential pressure sensor package , and wherein the adaptor device is further configured to receive, upon connection with the differential pressure sensor package , the first and second hose coupling nozzles in the first and second receptions , respectively. <EOS>