RET-1 - Rectal probe for humans, neonatal infants, rabbits, and larger animals. Flexible, vinyl covered, soft tipped. At 1/8" in diameter, it does not cause discomfort. Max. Temp. 90°C. Time constant 5.0 secs. 5 ft. lead. Isolated.

OT-1 - For fast reading oral use. Ball-tipped stainless steel shaft, stainless handle. 5 ft. lead. Max. Temp. 125°C. Time constant 0.8 secs. Not Isolated.
 
SST-1 - Skin surface probe, to be taped on. 1/4" dia. 10 Kt. gold sensor disc, 5 ft. lead. Max. Temp. 90°C. Time constant 0.15 secs. Not Isolated.
 
SST-2 - Same as SST-1 with plastic handle. Isolated.
 
ESO-1 - Esophageal probe. Flexible vinyl covered 1/8" dia. Max. Temp. 90° C. Time constant 5.0 secs. 5 ft. lead. Isolated.