The transmission probes of the »Excalibur HD FPT«  series for spectroscopic process analysis technology (PAT) were specially developed to achieve maximum safety and cost control under the toughest application conditions. State-of-the-art manufacturing technologies guarantee the highest precision for the best measurement results.

Excalibur HD FPT Series transmission probes provide highest robustness combined with high photometric transmission and accuracy for a wide range of process applications, especially for extremely demanding applications in rough process environments like high temperatures, thermal shocks or when using aggressive chemicals.

A distinctive feature of the »Excalibur HD FPT« probes is the use of light guides instead of internal optical fibers. This has a significant benefit in terms of temperature stability and allows their use at both, very high and very low process temperatures.

High-quality materials ensure reliable long-term operation

The sapphire to metal sealing technique in conjunction with innovative production processes provide significant advantages over other sealing techniques. A high degree of chemical resistance and pressure resistance is assured by the use of superior materials such as gold coated metal sealing and sapphire windows. The compliance required to withstand extreme temperature cycling without additional flushing of the probe internal is ensured by the nitrogen pressurization and of the probe inner parts, beside the cost saving effect for low temperature applications.

A second barrier ensures highest safety. The risk of leakage is greatly reduced by this.

Special Product Advantages

Offers the highest level of security - in every situation

Due to the robust construction with metal sealing and sapphire window, the highest chemical resistance paired with pressure and temperature resistance is guaranteed at all times (compared to O-ring sealed probes). The second barrier on the side facing away from the process reliably prevents product escape and leakage even in extreme situations.

Reliable measurement results without additional operating costs

Even at extremely low temperatures, the use of lightguides and the nitrogen filling in the probe tube means that there is no need for an additional flushing of the iinside of the probe. This eliminates the installation and operating costs that would occur for creating and operating a continuous flush.

Constant measurement results for easy method transfer

Through the use of the latest manufacturing technologies such as electron beam welding and the use of high-precision optical components, we ensure that the FPT probes offer consistently high quality of the measurement results. In addition, a method transfer between individual measuring points is facilitated.

»Excalibur HD FPT«  with a wide range of applications

The »Excalibur HD FPT« is primarly used for applications where elastomer-sealed probes reach their limits. The toughest process conditions in terms of pressures (up to 250 bar) and temperatures (-30 / 400 ° C) or extreme chemical pollution (such as nitric acid in fertilizer production) can be reliably measured with the metal-sealed »Excalibur HD FPT«. 

Here is a selection of accessories for our process probes: