from the Instrument department...Level Switch for Cryogenic Service, Zone 1
Looking for a level switch suitable for cryogenic service (Hydrocarbon -100 Deg C to +100 Deg C)
from the Forum department...Density meters
Description of density meters required for the measurement of process fluid density.
PS I forgot to mention the Gravitrol. Originally manufactured by Hallikainen, the Gravitrol is a...
I'll take a shot at the vibrating element sensors which are amongst the most accurate density...
By Dick Caro on 6 November, 2012 - 11:34 am -
Coriolis flow meters are expensive, but measure fluid density as well as mass flow rate. Dick...
from the Forum department...Gas turbine compressor output
pressure output from gas turbine compressor
Gas Turbine Siemens V 94.2 has one pressure transmitter (MBA21CP001) at compressor discharge which...
By nvk on 6 November, 2012 - 11:12 pm -
Generally gas turbine (with reference to 9FA frame) compressor discharge pressure is measured with...
from the Forum department...Loop Test Procedure & Report Format
field sensor / control wiring loop test procedure and report format.
from the Forum department...Interface transmitter displacer type
By Katie Hay on 7 November, 2012 - 6:08 pm -
Since a displacer transmitter actually detects the change in buoyancy force acting on the...
from the Instrumentation department...analog 4-20mA output transmision
Analyzers analog output signal 4-20mA transmission
There is no technical reason against running 4-20 mA analog input and output signals in the same...
By Sachin on 7 November, 2012 - 7:35 am -
Could anyone help me in my below query: We have one 10 pair cable between DCS and a package PLC....
from the Instrumentation department...Interface Level Measurement
How can we measure Interface level measurement?
By Nancy on 7 November, 2012 - 1:32 am -
Hello Rammohan, We professional designs and produces all kinds of signal isolation...
By Keith Brimhall on 5 November, 2012 - 2:36 pm -
I need to measure the interface level of glycol and gasoline. The vessel is under 300 psi. I would...
from the TGS department...E&H Tank scanner
Any replaceable parts in NXA820 for V1/Modbus input?
from the Forum department...Noise pick up on Generator stator winding RTD's
Has anyone experienced noise pick up on an RTD sensor? The sensor application is for measuring the winding temperatures of a generator stator.
Hi Liam, The problem is in the Brush generator. RTD wiring inside generator housing is...
from the Instrumentation department...Velometer 5485C
About signal conditioning of Velocity Sensor 5485C
Sadiya, You didn't say if you were measuring the voltage with the unit running or with the unit...
from the I&C department...book for I&C
books for I&C engineer
Tony Kuphaldt's Lessons in Industrial Instrumentation, an on-line work of significant quality and...
By syurish on 1 November, 2012 - 4:39 pm -
Some sensors and measurements related books are here: ...
This is a very good text: ...
from the instrumentation department...Vortex Flowmeter
why are the minimum and maximum operating conditions for a Vortex Flowmeter the same?
from the Instrument department...Reliability of Magnetic Level Switches (Reed)
Are external magnetic switches (reed type) reliable? Are they available with any sort of SIL rating?
from the Forum department...Pressure Switch on a Fuel transfer pipe
What is the zone classification for a sensor installed on the fuel transfer line?
Hi Kamath, The right question to ask is - "Is the switch a possible source of...
from the Instrumentation department...Temperature sensor/transducer
Temperature Conversion by adding resistors
from the IFSA department...All about Sensors - New issue of IFSA Newsletter
New issue of IFSA Newsletter (ISSN 1726-6017), No.10, 2012 is now online.
from the Instrument department...Full form for SMART transmtter
I want to know the full form of "SMART" used in Smart transmitter...
By sameer diwan on 27 October, 2012 - 2:18 am -
>SMART - Single Modular Addressable Receicer Transmitter > >Best Regards > >PP...
from the control & instrument department...flow transmitter
Installation of new flow transmitter
By James Fountas on 26 October, 2012 - 8:46 am -
The information you provided is incomplete and may contain errors. The OD suggests a nominal...
That maximum flow rate (gpm, lpm, whatever units) is missing from your list of orifice details. ...
from the Forum department...High Accuracy Pressure Transducer
Could anyone please suggest me high accuracy pressure transmitter for 0 to 200 bar, 4 to 20 MA output.
By Roy Matson on 25 October, 2012 - 7:35 pm -
I should have said the errors in your 4-20 mA signal transmission input card etc will be greater...
By Roy Matson on 24 October, 2012 - 12:08 am -
> Could anyone please suggest me high accuracy pressure transmitter for 0 to 200 bar, 4 to 20 MA...
from the Forum department...What is needed to measure: gauge pressure or absolute pressure
For measuring hydraulic pressure of a high pressure pump, what do i need to measure: absolute or gauge pressure?
By Roy Matson on 25 October, 2012 - 7:25 pm -
Gauge Pressure Absolute pressure transmitters are normally used where the process will be...
from the Controls department...Solar Sensor Feedback
Need to connect solar sensor to receive feedback signals
from the sensors department...Connecting wires to encoder
Encoder wires is there a way so I can know which wire is the power and which wire is the signal?
By Tahir on 24 October, 2012 - 12:13 am -
Dear James, thanks a lot for the information but unfortunately there is no color code all the...
By James Ingraham on 23 October, 2012 - 5:10 pm -
"There are three wire[s] inside the Encoder and from [the] other side there is a connector to...
from the electronics department...Interfacing of LM35 with ADC0804
block diagram of this interfacing sensor with ADC 0804
By accelerate on 23 October, 2012 - 5:02 am -
I want to read temperature from LM35. I am using P89V51RD2BN and interfaced Lm35 using ADC0804. I...
from the Forum department...What is the different between float and displacer level measurement
What is the different between float and displacer level measurement
By khashayar on 23 October, 2012 - 1:19 am -
hi dear, what if our viscosity of fluid changes? is it secure and good accuracy for our...
from the Process department...Inlet Filter DP
Inlet Filter DP
There are 2 things you should check to make sure your DP reading is correct. First, that the...
New air inlet filters were installed and when the unit was started. the air inlet dp jumped to...
from the Offshore department...RTD's value shooting up and tripps VFD
VFD el.motor,RTDs cause tripping
By Nancy on 20 October, 2012 - 4:10 am -
Hi ET, you may add a thermal resistance isolator for solving this problem....
from the Water Quality Monitoring department...Automatic Water Quality Analyzer
How to be alerted to water pollution problems
By Russ B on 19 October, 2012 - 1:04 pm -
An internet search should fill your requirements better than I can. However, what you need to do...
from the Forum department...Compressors Flow Transmitter
Selection of DP Flow Meter Type in Compressors Applciations
Anything is good if it's made of chocolate.