Enhanced NINVA™ TSP341-N is the first non-invasive temperature sensor with SIL2 certification

To meet customer demand for simpler and safer temperature measurement, NINVA™ reduces the installation and maintenance costs of the protection tube without affecting the measurement performance

Quick installation and no protection tube testing means savings of up to 75% and lower operating costs

ABB has launched the enhanced NINVA™ TSP341-N non-invasive temperature sensor, providing safer and simpler temperature measurement for chemical, oil and gas industry applications. The new NINVA is the first non-invasive temperature sensor with SIL2 certification and is the safest non-invasive temperature measurement sensor on the market.

ABB’s innovative non-intrusive temperature sensor technology, with proven performance over the past few years, offers an alternative solution to traditional invasive thermowells, greatly simplifying temperature measurement.

Using the surface temperature of the pipe to infer the process temperature, NINVA™ offers the same accuracy and performance as invasive measurement devices, while avoiding the risks and lifecycle costs associated with design, installation and maintenance.

The SIL2 certified NINVA TSP341-N is based on the proven TTH300 temperature transmitter and offers a range of new features based on customer feedback. These include a unique split-mount capability, enhanced vibration resistance, optional configuration for applications up to 550°C (1022°F), and simpler calibration and maintenance through a removable sensor measuring insert with independent sensor calibration and zeroing capabilities. Without sacrificing accuracy and performance, NINVA™ eliminates complex thermowell designs for small pipes by adopting a precise clamping method for different pipe diameters from 40mm to 2500mm and less than 40mm.

“The market for non-intrusive process measurement is being driven by customers,” said Dr. Guruprasad Sosale, ABB’s Measurement & Analytics business unit. “As the need for sensing continues to grow, professionals in the global chemical, oil and gas industries see the value of this technology, which provides them with more detailed information about their processes without having to stop the process or cut the pipe. By turning a section of process pipe into a temperature measurement point, NINVA™ gives plant operators a simpler and safer way to measure process temperature without compromising performance – no downtime, no holes to cut, and significantly simplifies engineering.”

NINVA™’s rugged clamp-on mounting eliminates the risks, inspections and administrative costs associated with maintaining welded mounting connections. By eliminating the need to drill holes in the pipe wall, NINVA™ eliminates potential leaks and reduces points of failure during plant commissioning. Even for the simplest temperature measurement points in a plant, NINVA™ provides a more cost-effective measurement solution, reducing expenditure, administration, installation and commissioning costs by up to 75%.
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