Product Review: Azbil AT9000 GTX**D

Pressure and more pressure! Let’s review a brand that you may have never heard about! Azbil has a massive list of devices, from low-budget to high-end options. This company also has offerings in many countries around the world.Today, we’ll discuss the AT9000 GTX and its differential pressure (DP) versions! The GTX comes in many flavors, but we’ll stick with DP for now.

Disclaimer: This product review examines only features, not performance. If you’ve used this device, feel free to share your experience in the comments.

Whatcha got there?

You may not see much of this brand where you live, but it has a sizeable range of products, approvals, materials, and so on.

The GTX gives a positive first impression. It looks simple, almost standard, yet robust, ready for harsh environments. The local display shows process data, diagnostics, and a bar graph for the percentage of the measuring range.

Sadly, the display has no push buttons and limits its local configuration to zero and span! I looked for the external zero and span setup but didn’t find it in the documentation. On the plus side, the manual has a good step-by-step guide for configuring the device with a handheld.

Azbil AT9000
Courtesy of Azbil

What can it do?

The GTX line has a variety of transmitters, from pressure to flow. It also breaks down the pressure line into gauge, absolute, and others. As I mentioned earlier, we’ll stick to DP for this review.

The Azbil AT9000 and its GTX line have nine options that differ in accuracy and measuring range. For example, you have GTX15D, GTX30D, GTX31D, GTX41D, and GTX71D as standard, with reference accuracies from +-0.3 to +-0.15 percent. For a high-pressure application, you can pick the GTX32D, GTX42D, or GTX72D to get from +-0.1 to +-0.15 percent.

As for measuring range, the GTX15D has a range from -1 to 1 kilopascal and an accuracy of +-0.3 percent. However, the GTX71D can measure from -0.1 to 14 megapascals with an accuracy of +-0.15 percent.

The temperature ranges will vary the same way, such as -40 to 110 degrees Celsius in the general purpose models. Furthermore, the GTX devices have different materials to fit into your process. For instance, you can get an adapter flange in SCS14A, center body in 316 stainless steel, and diaphragm in tantalum, if you like.

When you scale out the device, you can see the material options for each model. If you need a particular material that you don’t see, then try asking your friendly neighborhood sales rep.

Why should I care?

On the GTX page, you can see logos for FOUNDATION Fieldbus (FF) and HART. However, in the technical folder, you only see analog+HART and the company’s proprietary protocol. But you can see FF and DE in the order form. What gives, Azbil? You’re confusing potential customers here. Not a good thing.

Moving on. The device has most common approvals, such as explosion-proofing, intrinsic safety, and others. You can see the list on the order form, and you’ll find ATEX, IEXCEx, and NEPSI there too. Pretty sure you’ll find what you need.

This device doesn’t have much for advanced functions. It’ll provide the standard information you get from most pressure devices. Don’t get me wrong; this data is better than nothing. However, you won’t find fancy features here.

Azbil AT9000
Courtesy of Azbil

 

Conclusion

The Azbil AT9000 and their GTX line counts as a budget choice, but you have enough ranges, materials, and accuracy to compete with several brands. So scale it out, price it, and check for local support!

I didn’t find a video for the GTX, so have a Linkin Park video instead:

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