Physitemp MT Series Needle Microprobes

These stainless steel microprobes have closed, sharpened tips. We can put up to 3 sensors in a 23ga needle and 1 or 2 sensors in a 26ga needle. 


Teflon sheathed thermocouple wires are implanted with regular hypodermic needle. 14ga. or 17ga.  When ordering, specify: Probe series (IT),

Physitemp RET-4

The new RET-4 Rectal probe for very small animals (neonatal mice). Flexible polyurethane sheath with smooth rounded tip (see inset). 36” long (can be

Physitemp RET-3-ISO

The new RET-3-ISO for mice and neonatal rats has all the same features of the RET-3 plus:    an isolated sensor (can be used with

Physitemp RET-2-ISO

The new RET-2-ISO for rats has all the same features of the RET-2 plus:    an isolated sensor (can be used with montoring equipment

Physitemp Animal Rectal Probes

RET-2 - Rectal probe for rats. For fast intermittent measurements. Smooth ball tip. Stainless steel shaft - 1 " long, 0.059" dia., tip dia. .125". 5

Physitemp Clinical Probes

RET-1 - Rectal probe for humans, neonatal, rabbits, and larger animals. Flexible, vinyl covered, soft tipped. Does not cause discomfort. Max. Temp.

Physitemp General Purpose Probes

HT-1 - "Workhorse" probe for liquids, gases, semi-solids. Plastic handle with straight stainless steel shaft. Not good for surface temps. Max. Temp.

Physitemp Ultra Fine IT-Series Flexible Microprobe

IT-24P - Tiny, 24 gauge polyurethane coated wire with polyester insulated thermocouple bead.    For research applications to measure

Physitemp Flexible Implantable Probes

IT Series. Implantable in semi-solids and tissue with needle (supplied). Also for immersion in various solutions and rectal temperatures of small

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