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We used a wireless adapter to power the device in the field and a wireless gateway to send all data to the control system through a Modbus.
It was a cool project, simple and cost effective for the customer with its minimal structure. Our competitors today swing a lot of weight on the market in analytical solutions. ABB has plenty of experience with analysis and a portfolio with a broad range of options. Depending on the country you live in, you may not know the WTW brand, but it has a long path in the automation world as well.
On the left, we have the TB82PH, a simple multi-parameter transmitter with everything you need for a simple application. Disclaimer: This product review examines only features, not performance. Design-wise, the TB82PH is kicking it old-school, and not in a cool retro way. You can get past that if the product delivers an excellent user experience, accurate measurement, and so on, right? It has a simple keypad for local setup and a small display with a green backlight. No fancy features, just the necessary functionality you expect from this sort of product.
It looks a lot like a home thermostat, and giving users a familiar design often gets you on their good side. It has a smaller display than most of its competitors, but the data clearly shows up.
Personally, I like the white backlight better than green or orange. It also offers a keypad for local setup, but you splash into more alphabet soup here. Three of the keys have seemingly random letters on them. What do they do? You can either press them to see what happens or read the manual. Well, go on. Push one and see what happens! As multi-parameter devices, they should measure more than one variable. If you have more than one channel, you can have multiple sensors on one device, but neither of these can do that.
Still, if you have more than one variable to measure, then you can have the same transmitter measuring them, which saves time in setup and verification because they all use the same structure.
However, you have just one input for the sensor, and it only reads analog sensors. If it fits your needs, great! Otherwise, keep looking. If you need to measure turbidity, you have a very small list to pick from, but having this one on it helps.
However, you have the same problem here with input channels. You need to choose one to measure, but you can apply the concept mentioned above.
Most of these devices are fairly compact and light. The TB82PH is x x millimeters and 1. If it had them, WTW would point them out, right? Of course, you have analog, which you can integrate everywhere. Somebody at WTW got a little heavy-handed with the simple concept.
Next, no digital protocol, just analog! Big disappointment for me, you know. You have two analog outputs and three relay outputs, but none of those are a protocol. If you really want a simple device, then you know the best choice! But you need to compare prices and benefits as well. One, when you finally find your device page, you can find the right documentation.
And two, you can navigate the site fairly easily with your phone. But finding the technical documentation is complicated. The device page only has a brochure. You have to open the Service tab, navigate the Downloads menu, then guess which download will help you most.
Both devices are entry-level options for these companies. Scale out and choose the one that offers you the best cost benefits and most reliable measurement for your application. Then let us know how it goes! Back to the comparison! Measurement As multi-parameter devices, they should measure more than one variable. Housing and approvals Most of these devices are fairly compact and light.
Fancy features Not today! Conclusion Both devices are entry-level options for these companies. Searching for automation devices? Find the right device for your application. Visit eShop. RIA46 Multifunctional field indicator for monitoring and displaying analog measured values. RIA14 Loop-powered field indicator for a RIA16 Loop-powered field indicator with bargraph for a Easytemp TMR35 Compact hygienic thermometer.
RIA45 Multifunctional switch panel process measuring device for monitoring and displaying analog measured values. Picomag Smart electromagnetic flow meter with wireless remote access.
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