For use in oil and water baths. Sealed-in-glass thermoregulator has calibrated scale in upper chamber. Magnetic regulating collar adjusts position of tungsten contact in capillary, where contact is made with mercury column. Units are sensitive to very small changes in temperature. Quick adjustment of control temperature by rotating collar. Maximum load 3 milliamps. Includes 24 inch lead wire with bayonet connector. Overall length 14-1/2 inches.
