... in USAPhoto detectorPMT(Photomultipier tube), made in JapanHeating/cooling deviceTE Peltier(Thermoelectric Peltier Effect module),made in JapanQuantitative accuracyR≥0.990, CV ... × 350 mmHeating & cooling unit Applying the advantages of thermoelectric (TE, Peltier Effect) module makes temperature change rapidly and uniform. Hot-lid ...