This is the EXG124275 model which is by far the model selected by the vast majority of hospitals. This is the standard model which measures the arterial core temperature like a pulmonary artery catheter or esophageal probe. Arterial temperature is close to rectal temperature approximately 0.8F 0.4C higher than oral temperatures.

Exergen Pt#Tat5000 TemporalScanner Temporal Artery Thermometer Temporal Artery
$82.54