OMEGA Temperature and Humidity Transmitter: 0°C to 50°C, 2.75 in Probe
The OMEGA HX303AC is a standard temperature and humidity transmitter from the HX300A series, featuring a 2.75-inch probe and an IEC 751 sensing element. It operates with a 4 to 20mA power requirement and covers a…
SKU 3G-OTH-179267
Need installation or engineering help?
Ask a question
Product Description
The OMEGA HX303AC is a standard temperature and humidity transmitter from the HX300A series, featuring a 2.75-inch probe and an IEC 751 sensing element. It operates with a 4 to 20mA power requirement and covers a temperature range of 0°C to 50°C with an accuracy of ±2.5% RH and ±0.3°C.
Frequently Asked Questions
What is the OMEGA HX303AC temperature and humidity transmitter used for?
The OMEGA HX303AC is used for monitoring and controlling temperature and humidity in HVAC systems, clean rooms, and environmental chambers. It provides accurate readings from 0°C to 50°C with ±0.3°C and ±2.5% RH accuracy, making it suitable for climate-sensitive industrial processes.
What are the specifications of the OMEGA HX303AC transmitter?
The OMEGA HX303AC operates on 4 to 20mA power, uses an IEC 751 sensing element, and covers a temperature range of 0°C to 50°C. It offers temperature accuracy of ±0.3°C and humidity accuracy of ±2.5% RH. The probe length is 2.75 inches, and it is part of the HX300A series.
Where to buy the OMEGA HX303AC transmitter worldwide?
You can source the OMEGA HX303AC transmitter through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this model.
How to install the OMEGA HX303AC temperature and humidity transmitter?
Mount the OMEGA HX303AC in a location with representative airflow, avoiding direct sunlight or heat sources. Connect the 4 to 20mA loop wiring per the manual, ensuring proper polarity. Secure the 2.75-inch probe in the measurement area. Calibrate using a known reference if required.
Used in
Common applications for OMEGAOMEGA Products
3G Electric supplies OMEGA standard temperature transmitters. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.











