- All stems must have a minimum length of 3.5”. This ensures the thermometer is being properly controlled.
- The default core that comes with Check-Set Calibrators has holes for thermometers with stems
of a diameter of ¼”, .150” and .187”. For different diameter stems, check additional cores available for purchase at teltru.com - Additional cores available for purchase online at Tel-Tru.com include:
– 1-hole ¾” Well
– 1-hole ½” Well
– 1-hole 3/8” Well
– 3-hole 3/16”, ¼”, 3/8” Well
– 3-hole 3/16, ¼, 3/8, Well with Calibrator



