Animal Rectal Probes

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Description

RET-2 Rectal probe for rats. For fast intermittent measurements. Smooth ball tip. Stainless steel shaft - 1" long, 0.059 " diameter. Tip diameter 0.125 ". 5 ft. lead.
Max Temp. 125 °C. Time constant 0.8 seconds. Not lsolated.

RET-3 Rectal probe for mice, etc. As RET-2, with shaft 3/4 " long.
0.028" dia. Tip diameter 0.065 ". Time constant 0.5 s. Not isolated.

RET-2-ISO Rectal probe for rats. For fast intermittent measurements. Smooth ball tip. Stainless steel shaft - 1" long. 0.059 " dia. Tip diameter 0.125". 5 ft. lead. Max Temp. 125 °C. Time constant 0.8 s. lsolated.

RET-3-ISO Rectal probe for mice, etc. As RET-2-ISO, with shaft 3/4 " long.
0.028" dia. Tip diameter 0.065". T ime constant 0.5 s. Isolated.

RET-4 Rectal probe for very small animals (neonatal mice). Flexible polyurethane sheath with smooth rounded tip (see inset.) 36 " long (can made longer). Outside diameter 0.032 " (max at tip 004"). Max Temp. 140 °C. Time constant 0.18 s. May be sterilized by Gas (ETO), gluteraldehyde solution or autoclave.

Time constant is defined as the time required to reach 63 % of final temperature in liquid. An accurate reading is obtained when the reading stops changing, typically 5-10 time constants.

Maximum Temperature refers to intermittent use of a probe. When probe is used for continuous measurements, max. temp. should be reduced by 25 % unless specified.