English to Spanish Tech/Engineering Food & Drink heat penetration in packaged food

For many years the major problem was to measure temperatures inside cans being processed in continuous cookers, e.g. rotary sterilizers and hydrostatic cookers. Various devices including radiotelemetry were used, with limited success. However, more recently a device with encapsulated data-logging facilities, the Ball Datatrace unit, has become available (Datatrace Division, Mesa Medical Inc., Wheat Ridge, CO, USA).