5.2.2 Temperature Control and Cutout Sensor
The temperaturecontrol sensor is a Type K Thermocouple as indicated. This
sensor is 3/16inch in diameter and 12 inches long. Its location in the block is
importantand can cause the gradient in the block to move back and forth. The
probe isnormally inserted as shown in Figures 2 and 3.
The cutoutsensor is the same as the control sensor, 12 inches long. This sensor
is insertedthrough a tube in theback of the block. Its location here helps pre-
ventthe heater elements from overheating thus prolonging their life.
9112A Calibration Furnace
User’s Guide
20
Figure3 Back View