Why Gneuss?

Why Gneuß? Well, we think the answer is obvious; superior performance at a very reasonable price. Yes, we keep saying that these are the best performing melt pressure sensors you can buy. And, we've shown you how Gneuß rates the accuracy of their transducers so that you can rest assured you're really getting the accuracy you're paying for. But is that it? Are they just the most accurate melt pressure sensors on the planet? The answer is, there's a lot more to a Gneuß pressure transducer than just the accuracy. Remember Gneuß has been refining these sensors for over twenty years. Not only have they been using the feedback they get from their own customers to drive improvements in their products, they've been listening to complaints about the competitors' melt pressure sensors as well. The result is that Gneuß now produces the best melt pressure sensors available anywhere.

Gneuß' durability. Let's start with the durability of a Gneuß sensor. You really need to put one of these in your hands; you'll notice right away that Gneuß melt pressure transducers and transmitters just feel more solidly constructed than any other sensor you've ever picked up. To begin with, the shaft and the housing are made of machined stainless steel. Also, there are no self-tapping screws holding a Gneuß sensor together either; all the parts are laser welded together.

The next thing that makes a Gneuß melt pressure sensor feel more solid is that it is solid. The electronics connections in all Gneuß products are fully potted with a vibration dampening compound. Why? Well, some of you may have had the experience where your sensor would "just die."  It would be working just fine one moment, then the next, no output. Visibly the transducer looked OK, but it was dead. The engineers at Gneuß examined this phenomenon and discovered that sub-sonic extruder vibration was being transmitted to electronic components within the sensor and that these vibrations would eventually destroy the electronic connections. Gneuß solved this problem by embedding all of the electronic components and connections in a vibration dampening potting compound. These are just a couple of the things that Gneuß does differently than anyone else in the industry. Things that give Gneuß the confidence to have the industry's only 3 year warranty. But what else makes Gneuß melt pressure sensors superior to the competition?



The Gneuß diaphragm. Just one look tells you that this is a melt pressure sensor unlike any other you've ever seen. For starters, it's not corrugated. (Why do the other guys use corrugated diaphragms anyway? Well, Dynisco started it and everyone else copied them. There might even have been a technical reason for it when the first one was developed, but then everybody else just copied the original design and now it's sort of like a tradition or something. And, if the names Sennheiser and Neumann mean anything to you, then you already know that the Germans know a lot about creating accurate and responsive pressure sensing diaphragms.) Well, Gneuß didn't make a smooth diaphragm just for the sake of being different. It seems that a few of you have had the experience of not being able to zero your sensors when there's no pressure present. You'll have zero pressure, but the sensor is reading 50, 100, even 200 p.s.i. It's a permanent offset, or permanent hysteresis, that won't go away. Well, Gneuß' engineers discovered that this was due to the traditional diaphragm's propensity to become permanently deformed. So, the engineers at Gneuß set out to design a diaphragm that wouldn't exhibit this problem. And, they succeeded. Not only will the Gneuß diaphragm not experience a permanent deformation, but it is one of the things that contributes to Gneuß' industry leading accuracy and precision.

Not only is the dynamic performance of the Gneuß diaphragm superior, but it comes standard with Gneuß' G-coating, which provides resistance against melts that may adhere to a standard diaphragm and damage it. And, Gneuß offers Hastelloy® and Incoloy® diaphragms for those times when you're dealing with corrosive melts.

Accuracy and Precision. Finally, we come back to performance. As we've been saying all along, you can't buy a more accurate or precise melt pressure sensor than one made by Gneuß. Whether you're looking for 0.5%, 0.25%, or 0.15% FSO accuracy, Gneuß should be your first choice in melt pressure sensors. With full scale pressure ratings from 250 p.s.i. to 30,000 p.s.i. no one makes a wider range of sensors for a wider range of plastics applications.

Mercury-free melt pressure measurement. And, if you need just one more reason to try a Gneuß melt pressure transducer, it could be their NTX technology. NTX is a non-toxic, non-hazardous, mercury-free capillary fill medium that Gneuß developed as a replacement for mercury in melt pressure sensors. It is approved for use in food and medical applications, and is free of the disposal expense associated with mercury filled sensors. Unlike some mercury-free products, Gneuß NTX series melt pressure sensors have diaphragm temperature ratings to 750°F and the same suprior accuracy and precision that makes Gneuß the superior choice in melt pressure sensor providers.

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