Alternative method of measuring density (Mathematically)
PWM 4 to 20 mA Signal To Go To PLC
Connecting a sensor outputting 4-20mA PWM signal to an existing PLC that can only accept analogue 0-10V or 4-20mA signals and/or digital inputs
By Ikhtiander on 22 October, 2016 - 11:53 am
It was not clear on what you meant on PWM 4-20 mA , I guess there are 2 possibilities : 1. You...
Intermittent Temperature Transmitter Signal
Intermittently, the O/P signal from temperature transmitter going to LRV for very short time of nearly 90 m Second and return normal by itself.
Electronic Pressure Sensors
Different electronic sensors used recently for pressure transmitters. Any comparison for the advantage and most important the disadvantages (limitations) for each type?
Gas Flowrate and Volume Measurement
Disparity in volume of gas captured by barton chart recorder from a gas vending company and ABB totalizer used the gas fired power station.
Stator RTD Showing High Value During Running
Posted by Anurag Bhardwaj on 22 October, 2016 - 12:06 am
Ohm Stator RTD values for motor vary.
Measuring differential level of sea water on transmitter band screen
Has any site using micro switch for the compressor air bleed valve? Is yes please share the details.
Ex ia Low Voltage Power Supply
Looking for an [Ex ia] DC power supply with entity parameters; 4V < Uo > 8.4V; Io <= 200mA; Po <= 1.3W
Requirements for Sil 3 System
Questions about SIL 3 system requirements
Details on level interface meter.
Pneumatic diff pression transmitter
Pneumatic Diff pressure transmitter, FOXBORO model 13A-MS2.
Snubber for Pressure Gauge
liquid filled and snubber for pressure gauge
By Gino on 1 October, 2016 - 9:19 pm
Pulsating pressures are often fluctuations of the pressure with large amplitude oscillations of the...
By Elmira on 1 October, 2016 - 1:19 am
Thank you for your response, I want to know is it possible to use liquid filled gauges as an...
Diaphragm Seal for Toxic Service
Looking for information about diaphragm seal used with toxic substances
By db on 3 October, 2016 - 8:33 am
>exactly, I'm talking about diaphragm seal for pressure >instruments. I was wondering about...
By db on 3 October, 2016 - 7:24 am
Unfortunately, such design requirements are part of the piping specifications for the project. ...
By Gino on 2 October, 2016 - 4:18 pm
If you are thinking about contaminating the environment with a toxic product caused by a leak in...
By Elmira on 2 October, 2016 - 4:23 am
Do you have any standard, specification or recommended practice that mentions about considering...
does Ex d Ib need IS barrier?
does Ex d Ib instrument need IS barrier?
Thermocouple Quick Disconnect and Theory
Trying to find a T/C quick disconnect solution for multiple signals, and debunk some myths.
Interfacing a Temperature Transmitter to a PLC
Interfacing wireless Temperature or Pressure Transmitter with a PLC
Ultrasonic Flowmeter Measurement Problem
The signal from the ultrasonic flowmeter jump down to zero.
Totalize an analog value RSlogix 500
GE Frame 7FA Generator - Hydrogen Purity Sensor
It appears the GE machine had two hydrogen purity meters originally. In 2012 we replaced the original system with a new system that only had one hydrogen purity monitor that is monitoring the casing purity.
Transmitters Calibration Interval
What is the recommended interval for calibration of transmitters, DP, temperature, and pressure transmitters.