Figure 3. Hay Probe and Thermometer

Hay Probe:

• 1/2" pipe, threaded at each end. Pipe lengths of 2', 4', and 6' provide maximum flexibility
• 1 1/4' x 1/2" coupler
• 4" x 1/2" connecting pipe, threaded on both ends.
• 8 - 3/16" holes for temperature sensing and water spray
• 3" x 1/2" machined pointed probe tip

Thermometer:

• lightweight wire
• thermometer is lowered into the probe to take temperature readings