The Hart Scientific 9101 Zero Point Temperature Calibrator is a portable electronic ice point standard with three test wells for inserting more than one probe at a time. All three wells are stable to Tone0.01C. One well accommodates changeable inserts for varying probe diameters.

The Hart 9101 takes advantage of the latest solid-state cooling technology rather than relying on older, less reliable sealed-water-cell devices. This eliminates the possibility that the sealed-water cell will freeze and burst while transporting the unit to field locations.

The 9101 solid-state cooler is run by an adjustable electronic controller that can be recalibrated in your lab for convenient recertification. Simply place a certified standards thermometer in one of the wells and, if needed, adjust the 9101 controller until the standards thermometer reaches equilibrium at 0 Degrees C.