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ultrasonic sensor interference
from the PML or Modbus, one or the other department...
3710 ACM Power Measurement Electric Meter ModbusNeed modbus rtu card for 3710
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By Andy on 8 February, 2010 - 12:11 pm -
Joe,
Can you fix one??
What are you offering?...
BBQ smoke measurement
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By anonymous on 8 February, 2010 - 12:15 am -
Google is your friend, search for: measure smoke Ringelmann and Hellige.
Hugo...
need help on a pressure transducer made in England for colours used in the cable need info.
Working on Tachtrol 3, have a honeywell system is not getting the signals, Tachtrol 3 shows it on the local display.
In my project i want to convert 4-20 mA to (0 to 5)v signal
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Why not just use a 250 ohm resistor and work from 1V to 5 V?
Good luck!
Gonzalo Jimenez...
how can I get the value of HCDP through Daniel GC 2350A using SIM_2251 modbus protocol?
Wireless system (811b, a, or g) that can survive extreme temperatures
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By Dave Bourcier on 5 February, 2010 - 11:26 am -
Are you saying the hot glass will not effect the IR temperature reading - at all? What IR device...
Building a build a weigh in motion system. Need data acquisition board
Flare Gas measurement ultrasonic / optical meters
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By Jean Philippe on 3 February, 2010 - 11:29 pm -
Hi Nicolas,
I would suggest Ultrasonic Flowmeter from the Sick brand - Flowsic 100 Flare Gas....
Could someone please explain the steps of calibrating a Hart DP transmitter?
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By Jonas Berge on 3 February, 2010 - 11:31 am -
And there is a technical white paper on this page:
...
difference between normally open and normally closed solenoid valve
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I mean relay for double acting piston valve...
By Roy Matson on 1 February, 2010 - 2:50 pm -
As the previous poster said the normal position is without power applied. Usually a 3 port solenoid...
By G.Rajesh on 1 February, 2010 - 9:35 am -
Hi,
Normally open solenoid will be in open position if the coil is not energized and will close...
Poor performance of butterfly valve when used as flow control tool
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By Issac on 30 January, 2010 - 11:57 am -
Raw guess on my part.
The ultrasonic flow meters are probably transit time meters, not...
By CharlesRichard on 30 January, 2010 - 7:06 am -
Ayman,
First, I have no explaination for your lack of flow change except for you may want to...
Method of Fire Proof Single Acting Actuator
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By Charles Richard on 30 January, 2010 - 7:52 am -
I dont know the details of the API guidelines you are refering to, but you may want to Google the...
What is the basic criteria for selection of Flow meter?
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It might help if you advise some process details. Fluid type, density viscosity, is it clean and...
By Vahid on 25 January, 2010 - 9:25 am -
I suggest you to have a look at MPMS5.2 & 3 regarding to the factors which are important on...
By Rohit Chandak on 25 January, 2010 - 9:14 am -
Hi Sanjib,
The sizing of flow meter like PD Meter & Turbine Flow Meter is based on...
I want to avoid noise from my sensor output signal..
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Hi all
This link is an article directly related to your noise problem. It should provide a...
By Rob on 22 January, 2010 - 12:17 am -
Are you sure its noise being induced in the cable? Have you verified that this is not noise coming...
By syurish on 21 January, 2010 - 6:36 am -
Probably, you are using an analog (voltage or current) sensor output. Why not to use a sensor with...
By curt wuollet on 20 January, 2010 - 10:05 pm -
You probably need to make a concerted effort to find out where the noise is coming from. If it is...
Can a laser meter be used to measure a liquid level.
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By Russ K on 27 January, 2010 - 1:01 pm -
I recently applied an ultrasonic level sensor from K-Tek (Model# KMICRO/4W/PVDF/1/X) in a sump...
How do I calculate the millivolt output of a scale with three shear beam load cells?
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By Bill Newton on 27 January, 2010 - 9:03 am -
Allow me to elaborate on my previous inquiry, and thanks for the good information. The excitation...
By Roy Matson on 23 January, 2010 - 1:32 am -
As well as what Kurt said don't forget you have 3 load cells so each one only has a third of the...
solution for non-calibrated pressure switches which can cause trip?
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First of all, why can't they be calibrated on a periodic basis? What prevents their calibration?...
By Jairo Rodriguez on 26 January, 2010 - 2:00 pm -
With this information the only thing I can suggest you is to install transmitter and control the...
By MM on 26 January, 2010 - 9:09 am -
You have to be joking I cannot think of a process plant in the World that would suffer trips due to...
Can we do calibration/functional check for vibration switch Model as VS94 Frank W. Murphy.
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This type of switch is commonly used for this same type of application. The switch is a very...
By MAZ on 25 January, 2010 - 10:14 am -
Dear CSA
thank you for your replay, but i understand that we are not able to know the existing...
A Google search for "VS94 Vibration Switch" yielded this:
...
I have a underground water tank and a above ground tank at home and want to control the flow of water between them based on levels.
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By James on 25 January, 2010 - 12:22 pm -
I would use float switches to fix this problem. It is the easiest way to go. www.madisonco.com has...
Need technical details and protocol guidelines of 2 wire fire sensors
Sensor that triggers from explosion.
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By M Griffin on 22 January, 2010 - 6:05 pm -
It's not really possible to give a specific answer to a very general question. However, the more...
By Alex on 22 January, 2010 - 4:46 pm -
Ok. My system is supposed to have a small margin of error. So it's best that the sensor triggers...
Or potentially a seismic probe to pick up the shock wave. What type of explosion are you trying to...
By Bruce Thompson on 22 January, 2010 - 9:47 am -
That would probably do it.
What about just using an acoustic sensor? Explosions usually make...
By M Griffin on 21 January, 2010 - 11:33 pm -
It probably needs to be matched to optical emission characteristics of the explosion. I think you...
Looking for color standards for control wiring.
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By Tim Reese on 22 January, 2010 - 4:28 pm -
Kudos to Mr. Everhart. For those wishing exact references to NFPA 79, it can be found in Chapter...
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