TempoTech’s Thermocouple connection heads are enclosures designed to house the thermocouple junction and provide a safe, protected environment for the connections to the temperature measurement system. These heads are typically used in industrial or scientific settings where temperature measurement needs to be done reliably and securely.
Key features:-
- Protection: They protect the thermocouple from physical damage, environmental factors like moisture, dust, or chemicals, and prevent corrosion.
- Wiring: They provide a space for wiring the thermocouple to the measuring equipment, often including terminals for easy connection and disconnection.
- Ease of Maintenance: They allow for easier replacement or servicing of the thermocouple sensor without needing to disturb the rest of the setup.
- Environmental Sealing: Many connection heads are sealed to prevent moisture or contaminants from affecting the thermocouple or wiring.

Application Note
Explosion Proof AX Series Aluminum Thermocouple Connection Head is a robust enclosure designed to protect thermocouple junctions and wiring connections in hazardous industrial environments. Built from heavy-duty aluminum, it provides a safe and reliable housing that shields critical temperature measurement components from physical damage, moisture, dust and chemical exposure.
The explosion-proof design ensures that any internal ignition is fully contained within the enclosure, preventing it from spreading to the surrounding atmosphere. This makes it ideal for use in high-risk industries such as oil and gas, chemical processing and other hazardous locations where safety is critical.
The connection head offers a practical and efficient solution for wiring management, providing adequate space and terminals for easy connection and disconnection of thermocouple leads. Its design also simplifies maintenance, allowing sensors to be serviced or replaced without disturbing the entire installation.
With sealed construction for environmental protection and multiple NPT connection configurations available, the AX Series connection head delivers flexibility, durability and safety for industrial temperature measurement systems. It is an essential component for ensuring reliable operation and long-term performance in demanding applications.
The thermocouple head is made from durable, heavy-duty materials stainless steel and aluminum. The “explosion-proof” designation refers to the housing’s ability to contain the explosion, preventing it from reaching the surrounding environments
| PART NO. | TUBE NPT | CONDUIT NPT |
| EXP-AX-12-34 | 1/2” NPT | 3/4” NPT |
| EXP-AX-12-12 | 1/2” NPT | 1/2” NPT |
| EXP-AX-34-34 | 3/4” NPT | 3/4” NPT |





