Your guide to the process automation world

Visaya is where you can find answers, expert advice, useful field insights, product reviews and a lot more. Our mission is to help you choose the right instrument for the right application.

Field Network 1 min Apr 22

#WishIknew What are intrinsically safe tools?

Level Product Review 4 mins Apr 20

Buyer guide: VEGAPULS 62 vs OPTIWAVE 7300 C

Flow Q&A 1 min Apr 19

How can I measure flow in low-conductivity products?

I'm looking for a flow meter for water with very low conductivity (25 micro-siemens or less) on an 8" pipe. Do you know what kind of working principle will be the best option?
3 mins Apr 18

How to tune your boiler for EPA Boiler MACT compliance

Control System 4 mins Apr 17

#Pautomator - Tadeu Batista, Process Safety System Expert at Emerson Automation Solutions

Level Product Review 2 mins Apr 16

Product Review: VEGASON 63

Field Network 1 min Apr 15

#WishIknew How does an intrinsic safety barrier work?

Product Review 4 mins Apr 12

Buyer guide: Magnetrol PULSAR R96 and Siemens SITRANS LR200

Flow 1 min Apr 11

How does a thermal mass flow meter work?

Level Product Review 3 mins Apr 9

Product Review: ABB LST300

Control System 4 mins Apr 5

What is a DCS (distributed control system)?

12 mins Apr 3

The Book of Instrumentation

Field Network Q&A 1 min Apr 6

Multidrop - Can you connect two devices to the same input?

We have a new flow application with an input that needs a pressure device and a temperature device. What I don't get is how it works. How can you read data from two devices on the same cable? Don't I need two inputs instead of one?
Flow Q&A 1 min Apr 8

How to set up a Micro Motion 2700 FOUNDATION Fieldbus through the display

We have a Micro Motion 2700 Foundation Fieldbus, but we don't have a handheld to set it up. How do I change the flow range through the display?
Product Review Temperature 3 mins Apr 2

Product Review: Vivace VTT10-MP

Field Network Q&A 1 min Apr 1

What's the difference between passive and active devices?

I got a technical manual that explains how to connect field devices in different ways, but I didn't understand the difference between a passive and active output. Could you clarify that?
Pressure Product Review 4 mins Mar 30

Buyer guide: WIKA CPG1500 and Rosemount Wireless Pressure Gauge

Flow 2 mins Mar 29

How does an ultrasonic flow meter work?

Pressure 1 min Mar 28

#WishIknew: What's a manometer and how do I use it?

Level Product Review 3 mins Mar 26

Product Review: KOBOLD NGR guided radar level transmitter

Asset Management 1 min Mar 25

What's the best HART communicator on the market?

Hey, I have a field communicator but it has trouble communicating with some of our new devices. It's hard to work around the limited access to the device menu. So should I replace it? If so, what's the best option on the market?
Product Review 4 mins Mar 23

Buyer guide: Rosemount 3051S and Deltabar PMD75

Field Network 4 mins Mar 22

Getting in the loop - simple math for good analog values

Field Network Q&A 1 min Mar 21

How to convert analog (4-20mA) to voltage

I need a way to convert 4-20mA to volts. I found a document that says we can use a Rosemount 644 and switch to FF, but will it get me my volts?