Source:http://linkedlifedata.com/resource/umls/id/C0262896
SPN: An audiometer or automated audiometer is an electroacoustic device that produces controlled levels of test tones and signals intended for use in conducting diagnostic hearing evaluations and assisting in the diagnosis of possible otologic disorders.,UMD: Instruments designed to measure and characterize hearing loss by determining the lowest audible level (i.e., hearing threshold) of a patient for pure test tones, signals (e.g., speech), or both. These devices include tone generators, amplifiers, and sound-level monitors. Audiometers are intended for conducting diagnostic tests for hearing disorders and assisting in other otologic disorders diagnosis.