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Sensors
Topic: Continuous process industries, DCS questions.
from the Instrument department...
Level Switch for Cryogenic Service, Zone 1
Posted by OZI on 8 November, 2012 - 8:16 am
Looking for a level switch suitable for cryogenic service (Hydrocarbon -100 Deg C to +100 Deg C)
Topic: Continuous process industries, DCS questions.
from the Forum department...
Density meters
Originally posted by Rumple Stiltskin on 5 November, 2012 - 11:27 pm
Description of density meters required for the measurement of process fluid density.
New Replies:
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...
Coriolis flow meters are expensive, but measure fluid density as well as mass flow rate. Dick...
Topic: Power generation equipment control.
from the Forum department...
Gas turbine compressor output
Originally posted by kakil on 6 November, 2012 - 1:19 pm
pressure output from gas turbine compressor
New Replies:
Gas Turbine Siemens V 94.2 has one pressure transmitter (MBA21CP001) at compressor discharge which...
Generally gas turbine (with reference to 9FA frame) compressor discharge pressure is measured with...
Topic: Engineering and workplace issues.
from the Forum department...
Loop Test Procedure & Report Format
Posted by World Energy on 8 November, 2012 - 2:38 am
field sensor / control wiring loop test procedure and report format.
Topic: Sensor technologies.
from the Forum department...
Interface transmitter displacer type
Originally posted by khashayar on 6 November, 2012 - 11:44 pm
interface measuring
New Replies:
Since a displacer transmitter actually detects the change in buoyancy force acting on the...
Topic: Sensor technologies.
from the Instrumentation department...
analog 4-20mA output transmision
Originally posted by Kiyani on 10 May, 2012 - 6:02 pm
Analyzers analog output signal 4-20mA transmission
New Replies:
There is no technical reason against running 4-20 mA analog input and output signals in the same...
Could anyone help me in my below query: We have one 10 pair cable between DCS and a package PLC....
Topic: Sensor technologies.
from the Instrumentation department...
Interface Level Measurement
Originally posted by sanjib on 5 December, 2008 - 4:12 am
How can we measure Interface level measurement?
New Replies:
Hello Rammohan, We professional designs and produces all kinds of signal isolation...
I need to measure the interface level of glycol and gasoline. The vessel is under 300 psi. I would...
Topic: Communications systems and equipment.
from the TGS department...
E&H Tank scanner
Posted by Abdolazim Hasseli on 6 November, 2012 - 6:07 am
Any replaceable parts in NXA820 for V1/Modbus input?
Originally posted by Liam Heslop on 12 July, 2012 - 11:50 pm
Has anyone experienced noise pick up on an RTD sensor? The sensor application is for measuring the winding temperatures of a generator stator.
New Replies:
Hi Liam, The problem is in the Brush generator. RTD wiring inside generator housing is...
Topic: Power generation equipment control.
from the Instrumentation department...
Velometer 5485C
Originally posted by Sadiya on 2 November, 2012 - 4:52 am
About signal conditioning of Velocity Sensor 5485C
New Replies:
Sadiya, You didn't say if you were measuring the voltage with the unit running or with the unit...
Topic: Information resources, documentation.
from the I&C department...
book for I&C
Originally posted by Hasan on 30 October, 2012 - 4:21 am
books for I&C engineer
New Replies:
Tony Kuphaldt's Lessons in Industrial Instrumentation, an on-line work of significant quality and...
Some sensors and measurements related books are here: ...
This is a very good text: ...
Topic: Sensor technologies.
from the instrumentation department...
Vortex Flowmeter
Posted by jadesola on 1 November, 2012 - 6:08 am
why are the minimum and maximum operating conditions for a Vortex Flowmeter the same?
Topic: Continuous process industries, DCS questions.
from the Instrument department...
Reliability of Magnetic Level Switches (Reed)
Posted by OZI on 31 October, 2012 - 8:28 pm
Are external magnetic switches (reed type) reliable? Are they available with any sort of SIL rating?
Topic: Sensor technologies.
from the Forum department...
Pressure Switch on a Fuel transfer pipe
Originally posted by Kamath RL on 28 October, 2012 - 6:18 am
What is the zone classification for a sensor installed on the fuel transfer line?
New Replies:
Hi Kamath, The right question to ask is - "Is the switch a possible source of...
Topic: Sensor technologies.
from the Instrumentation department...
Temperature sensor/transducer
Posted by Shan on 28 October, 2012 - 9:11 am
Temperature Conversion by adding resistors
Posted by syurish on 27 October, 2012 - 6:37 am
New issue of IFSA Newsletter (ISSN 1726-6017), No.10, 2012 is now online.
Topic: Sensor technologies.
from the Instrument department...
Full form for SMART transmtter
Originally posted by Hirvania on 27 December, 2003 - 12:53 pm
I want to know the full form of "SMART" used in Smart transmitter...
New Replies:
>SMART - Single Modular Addressable Receicer Transmitter > >Best Regards > >PP...
Topic: Continuous process industries, DCS questions.
from the control & instrument department...
flow transmitter
Originally posted by raj on 23 October, 2012 - 7:20 am
Installation of new flow transmitter
New Replies:
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. ...
Topic: Sensor technologies.
from the Forum department...
High Accuracy Pressure Transducer
Originally posted by arocon on 23 October, 2012 - 7:17 pm
Could anyone please suggest me high accuracy pressure transmitter for 0 to 200 bar, 4 to 20 MA output.
New Replies:
I should have said the errors in your 4-20 mA signal transmission input card etc will be greater...
> Could anyone please suggest me high accuracy pressure transmitter for 0 to 200 bar, 4 to 20 MA...
Originally posted by arocon David on 25 October, 2012 - 4:22 pm
For measuring hydraulic pressure of a high pressure pump, what do i need to measure: absolute or gauge pressure?
New Replies:
Gauge Pressure Absolute pressure transmitters are normally used where the process will be...
Topic: PLCs and related questions.
from the Controls department...
Solar Sensor Feedback
Posted by Ravi on 25 October, 2012 - 2:02 am
Need to connect solar sensor to receive feedback signals
Topic: Sensor technologies.
from the sensors department...
Connecting wires to encoder
Originally posted by Tahir on 21 October, 2012 - 1:34 am
Encoder wires is there a way so I can know which wire is the power and which wire is the signal?
New Replies:
Dear James, thanks a lot for the information but unfortunately there is no color code all the...
"There are three wire[s] inside the Encoder and from [the] other side there is a connector to...
Topic: Sensor technologies.
from the electronics department...
Interfacing of LM35 with ADC0804
Originally posted by mohamud on 26 March, 2011 - 2:40 am
block diagram of this interfacing sensor with ADC 0804
New Replies:
I want to read temperature from LM35. I am using P89V51RD2BN and interfaced Lm35 using ADC0804. I...
Originally posted by thybanhh on 15 March, 2010 - 1:35 am
What is the different between float and displacer level measurement
New Replies:
hi dear, what if our viscosity of fluid changes? is it secure and good accuracy for our...
Topic: Power generation equipment control.
from the Process department...
Inlet Filter DP
Originally posted by Cris on 26 April, 2012 - 10:03 am
Inlet Filter DP
New Replies:
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...
Topic: Sensor technologies.
from the Offshore department...
RTD's value shooting up and tripps VFD
Originally posted by ET on 29 September, 2012 - 8:32 am
VFD el.motor,RTDs cause tripping
New Replies:
Hi ET, you may add a thermal resistance isolator for solving this problem....
Topic: Sensor technologies.
from the Water Quality Monitoring department...
Automatic Water Quality Analyzer
Originally posted by bennyt on 19 October, 2012 - 9:23 am
How to be alerted to water pollution problems
New Replies:
An internet search should fill your requirements better than I can. However, what you need to do...
Topic: Continuous process industries, DCS questions.
from the Forum department...
Compressors Flow Transmitter
Posted by Ahmed on 19 October, 2012 - 8:49 am
Selection of DP Flow Meter Type in Compressors Applciations
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