Source:http://linkedlifedata.com/resource/umls/id/C0878846
UMD: Immunoassay analyzers that use a dedication filter photometer or spectrophotometer as a detection system. These analyzers usually include an autosampler, a reagent dispenser, a washer, a filter photometer or spectrophotometer as a detector, and, typically, computerized data processing devices. Photometric immunoassay analyzers can be used to monitor immunoassays that produce compounds that absorb monochromatic light.