The fundamentals of 4...20 mA current loops

04 July 2018
4…20 mA current is commonly used to connect process signals to a controller in industrial applications. Sometimes, an analog voltage signal or digital communications is used, but there are many advantages to using a current loo...

 
 

Linearization of temperature measurements

21 March 2017
Temperature is the most widely measured value in process control. Across a wide variety of industries from large-scale chemical manufacturing to small labs, accurate temperature measurement is relied upon to ensure such things ...

 
 

Isolated barriers vs. Zener barriers

20 February 2017
Isolated barriers have several advantages compared to Zener barriers:

 
 

Advantages of converting RTD and Thermocouple signals to 4…20 mA current

17 February 2017
Thermocouple and RTD sensors are commonly used to measure temperature in industrial processes. In cases where these sensors are connect directly to the PLC, the result of the measurement accuracy is sometimes worse than expecte...

 
 

7 considerations when choosing a multifunction transmitter

28 May 2015
Here are some things you should consider if you want to ‘go multifunctional’. Replacing single function transmitters with multifunction transmitters increases system flexibility, reduces your spare parts inventory, and reduces ...

 
 

8 tips and advice for reducing the effects of EMI on your instrumentation signals

09 March 2015
Electro magnetic interference, or EMI, is commonly found in industrial environments, and can adversely affect the accuracy of your instrumentation signals – here are some tips and advice that can help ensure accurate measuremen...