| 5996 | Detectors, Electrochemical, Liquid Chromatography | High Pressure Liquid Chromatography System For Clinical Use. |
| 5996 | Detectors, Electrochemical, Liquid Chromatography | High Pressure Liquid Chromatography System For Clinical Use. |
| K962574 | WATERS 474 SCANNING FLOURESCENCE DETECTOR (474) | WATERS CORPORATION |
| K903231 | COULOCHEM II | ESA, INC. |
| K864729 | NEUROCHEMICAL ANALYZER | ESA, INC. |
| K801439 | MODEL 5100 ELECTROCHEMICAL DETECTOR | ENVIRONMENTAL SCIENCES ASSOC., INC. |