Glas-Col Thermocouple Type "J" Xtra Extractor Upgrade so you can get to

so you can get to work straight out of the box

which means it does not readily mix with water

The Elite options include a 1

natural materials

On-board connectivity: Ethernet

Glas-Col Thermocouple Type "J" Xtra Extractor Upgrade so you can get toGlas Col Thermocouple Type "J" A thermocouple is a sensor that measures temperature. This type of sensor consists of two different types of metals that when welded together create a junction and small voltage which is then read by an indicator or control. Glas Col offers thermocouples in various types, diameters and probe lengths. Type J: is the most frequently used thermocouple, and it consists of a positive (Iron) and a negative (Constantan) leg.