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D
Mass flowmetre fluctuation
Check the meter specification. There are min flow requirements, and examine a fluid sample as to its properties.
Dave
Post #2
Jan 9, 2021
Forum:
Instrumentation & Measurement
D
Crude terephthalic acid (CTA) Slurry flow Measurement
in the TPA/PTA design I worked on load cells were used in the actual design at the time
Dave
Post #11
Jan 1, 2021
Forum:
Instrumentation & Measurement
D
Crude terephthalic acid (CTA) Slurry flow Measurement
the transmitter elevation as suggested under the presumption that you would not experience solids buildup. Liquid services normally require filled lines with XMTR below the line
Dave
Post #10
Dec 30, 2020
Forum:
Instrumentation & Measurement
D
Crude terephthalic acid (CTA) Slurry flow Measurement
Should not be a problem with proper materials and transmitter mounted remotely above the pipe.
Dave
Post #9
Dec 30, 2020
Forum:
Instrumentation & Measurement
D
The difference between orifice in a PSV valve and orifice plate.
one is for measuring flow though in some cases restricting flow, the other for safety
Dave
Post #2
Dec 29, 2020
Forum:
Instrumentation & Measurement
D
Crude terephthalic acid (CTA) Slurry flow Measurement
Elbow meters are more than adequate.
Dave
Post #7
Dec 29, 2020
Forum:
Instrumentation & Measurement
D
Power Measurement Ltd
Translation : I have the acm 3720 and the com32, how can I view the consumption history on a PC?
Dave
Post #5
Dec 29, 2020
Forum:
Instrumentation & Measurement
D
O2 Trim on boilers with multiple burners
ISchuerch, Have dealt with multifuel boilers (6 different streams). This complicates the startup, safety interlocks and fuel / drum level controls, but excess oxygen control for common dampers/blowers was not a problem. Good luck!
Dave
Post #6
Dec 28, 2020
Forum:
Power Generation
D
O2 Trim on boilers with multiple burners
lschuerch, The number of burners makes little difference in the excess O2 control, unless you are using insitu O2 monitoring for each burner.
Dave
Post #4
Dec 28, 2020
Forum:
Power Generation
D
DP flow meter calculation
varatha your pressure units are most likely "inches water column", as few flow meters are design to tolerate 50/150 psi pressure differentials.
Dave
Post #5
Jun 9, 2020
Forum:
Instrumentation & Measurement
D
DP flow meter calculation
You need to test your pressure devices.
Dave
Post #2
Jun 8, 2020
Forum:
Instrumentation & Measurement
D
Ball valve vs Globe valve for On-Off application
As CSA suggests, any question regarding shutoff valves requires far more specifics, likely unsuited to public forums.
Dave
Post #5
May 18, 2020
Forum:
Control Valves
D
Primary Flow Element Accuracies
munny Your accuracy is as good as the installation details and the liquid data, and of course a calibrated transmitter
Dave
Post #5
May 16, 2020
Forum:
Instrumentation & Measurement
D
Data collection for small water chlorination
In the infantry training handbooks circa WWII and the 1950's, water purification in emergencies, away from all resources, suggested collecting the water, and letting it stand for a 4 hours in the sun, to let the solids settle out and the bacteria to digest all available content, then decant...
Dave
Post #2
May 14, 2020
Forum:
Instrumentation & Measurement
D
Thermocouple sheath OD
munny, Just test it yourself, and report back, we'd all be interested in what you find
Dave
Post #6
May 13, 2020
Forum:
Instrumentation & Measurement
D
Primary Flow Element Accuracies
What level of accurracy do you seek?
Dave
Post #2
May 10, 2020
Forum:
Instrumentation & Measurement
D
DPT with Diaphragm seals
what distance are you dealing with.
Dave
Post #2
May 10, 2020
Forum:
Instrumentation & Measurement
D
E & H Temperature probe not reading correctly
With a bit of guess work regarding pipe size etc. The measurment error is small, the time constant listed is the exponential time constant with a settling time for 2% error being 4X the time constant. Most heat exchangers are characterized by heavy turbulence to improve heat transfer. With...
Dave
Post #10
May 3, 2020
Forum:
Instrumentation & Measurement
D
E & H Temperature probe not reading correctly
or you can run your own: thermowellsoftware com
Dave
Post #5
May 2, 2020
Forum:
Instrumentation & Measurement
D
E & H Temperature probe not reading correctly
If you have flow and nominal fluid data, I'll run a measurment error calc for the well mixed flow condition to indicate what you're dealing with.
Dave
Post #4
May 2, 2020
Forum:
Instrumentation & Measurement
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