Description
Product Overview
The Honeywell Q390A1046 24‑inch thermocouple block is a high‑performance temperature sensing component built for industrial applications. Constructed from sturdy metal, the block offers a reliable surface‑mount design that simplifies installation on printed circuit boards or panel surfaces. With a measurement accuracy of ±2.2°C (or ±1% of the measured temperature) and a broad operating range from 30°C to 1200°C, it meets the rigorous demands of process control, manufacturing, and HVAC systems. The block’s compact dimensions—4 x 3 x 0.75 inches—allow it to fit into standard terminal block enclosures without sacrificing performance.
![[Product front view showing all components]](https://www.ilvix.store/wp-content/uploads/2026/07/157d3a40437a466089399d936320eb1d.jpg)
Usage
This thermocouple block excels in environments where precise temperature data is critical. It is commonly used in furnace monitoring, chemical processing, metal heat treatment, and HVAC equipment where temperatures can fluctuate rapidly. The surface‑mount style enables quick integration into existing control panels, reducing downtime during upgrades or maintenance. Engineers and technicians appreciate the block’s ability to deliver consistent readings even in high‑vibration or high‑temperature settings, making it a trusted choice for continuous operation in factories, power plants, and laboratory test rigs.
Why Choose Us
Choosing the Honeywell Q390A1046 means selecting a component backed by decades of expertise in sensor technology. The metal housing provides superior protection against corrosion, mechanical shock, and thermal stress, extending the product’s service life. Honeywell’s rigorous quality control ensures each block meets exacting standards, delivering the accuracy and reliability required for mission‑critical applications. Additionally, our dedicated technical support team offers guidance on installation, calibration, and troubleshooting, ensuring you get the most out of your investment.
Key Features
- Easy surface‑mount installation reduces wiring time and labor costs
- ±2.2°C accuracy delivers reliable temperature data for tight process control
- Wide measuring range of 30°C‑1200°C covers most industrial heating applications
- Durable metal housing resists corrosion and mechanical wear in harsh environments
- Responsive customer support and after‑sales service for seamless integration
FAQ
What type of thermocouple does this block support?
The Q390A1046 is designed for standard K‑type thermocouples, providing analog output compatible with most industrial controllers.
Can this block be used in high‑temperature ovens?
Yes. With an upper temperature rating of 2550°F (≈1400°C) and a measured range up to 1200°C, it is suitable for most high‑temperature oven and furnace applications.
Is any calibration required after installation?
While the block is calibrated at the factory, we recommend a quick verification against a known reference temperature during initial setup to ensure optimal accuracy.
What mounting method is recommended?
Surface‑mount installation is recommended. Secure the block to a clean, flat metal surface using the provided push‑in, split‑nut, or adapter assembly for a stable connection.
Do you offer extended warranty or replacement parts?
Honeywell provides a standard one‑year warranty covering manufacturing defects, and replacement parts are available through our authorized distributors.
In summary, the Honeywell Q390A1046 24‑inch thermocouple block combines precision, durability, and ease of installation, making it an ideal solution for a wide range of temperature monitoring needs across industrial sectors.





Reviews
There are no reviews yet.