Level Controllers and Level Probes

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kishor479 Participant Join Date: Jan 2010 Posts: 2	Level Controllers and Level Probes 01/03/2010 5:52 PM
	how do i check level controller and level probe ?
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dabdool Commentator Join Date: Mar 2009 Posts: 61 Good Answers: 3	#1 Re: level controller 01/03/2010 11:51 PM
	Read the manual.
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RDGRNR Guru Join Date: Dec 2009 Location: San Antonio, TX USA Posts: 844 Good Answers: 29	#2 Re: level controller 01/04/2010 8:18 AM
	What Kind? __________________ "Do not worry about your difficulties in Mathematics. I can assure you mine are still greater". - Albert Einstein
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jcchiefeng Power-User Join Date: Mar 2007 Location: Brick, NJ (USA) Posts: 110 Good Answers: 5	#5 Re: Level Controllers and Level Probes 01/05/2010 9:24 AM
	If you are asking how to check the equipment already installed, we need to know what you have? If you are asking what can you use to check the level of a vessel than study the following: 1. Install a pressure transmitter at the bottom of the vessel. Measure the pressure of the liquid at the maximum mark (or calculate), measure the pressure of the liquid at the minimum mark (or calculate). Scale the pressure sensor input for the distance of minimum level to maximum level. 2. Install 3 floats, one minimum level, one mid level, one maximum level. Connect the floats to your controller or alarm relays. 3. Install an analog float indicator transmitter. Most have a 4 - 20mA or 0 - 10vdc output. This is a direct connection to a PLC or DDC system and will indicate the vessel level. Please send additional information for a more thorough evaluation. __________________ "Memorize the calculations, you look like a fool searching your notes while teaching class"
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Anonymous Poster (2); dabdool (1); jcchiefeng (1); RDGRNR (1)

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