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Exergen Tempo Contact Thermometer$399.78
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.