Type T Clinical Probes, Physitemp Instruments, Inc. (CAT#: STEM-LE-0904-LC)

RET-1 - Rectal probe for humans, neonatal, rabbits, and larger animals.
OT-1 - For fast reading oral use.
DSP-1 - Disposable sheaths for use with OT-1 and RET-1, per 1000.
SST-1 - Skin surface probe, to be taped on.
SST-2 - as SST-1 with plastic handle.
ESO-1 - Esophageal probe.

Diameter: 0.125 to 0.25 in (depending on model)
Max. Temperature: 90°C to 125°C (varies with model)

Type T Animal Rectal Probes, Type T General Purpose Probes, Type T Needle Microprobes, Type T Ultra Fine IT-Series Flexible Microprobe