This probe conforms to the standard requirement of UL1278 Fig 10.1. The handle is made of nylon while the probe is made of stainless steel.
The shape and size of an opening are such that a test gauge in the form of a right-circular cone having a base diameter of 2-3/4 inches (69.9 mm) and an altitude of 5-1/2 inches (139.7 mm), see Figure 10.1, is prevented from touching the heating element and the other high temperature parts when the cone probe is inserted.
Parameter :
Diameter: 69.9mm
High: 139.7mm
Standard: UL1278 Fig 10.1
Cone Probe with UL1278 Fig.10.1
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