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david matalon
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Engineering & Manufacturing > Electrical

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The client has made the following changes to the job.


Job Description

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  • Posted: Sat, Apr 06, 2013
  • Time Left: Closed
  • Location: Anywhere
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  • Start: Immediately
  • Budget: Less than $500
  • Fixed Price Job
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  • U.S. freelancers must have W9
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for solar collectoruse. need thermal tracking unit.
there will be 2 thermocouples from each side of 1" copper pipe.
if the temp. is higher in one side by more then DALTA T (from 10c- 30c) then the output of 24 vdc will be on.
the left output will be +/- and the right will be -/+ that way the motor can fix the location.
the unit will start only after sensing 70c and higher.
the max temp. is 300c
there will be led light on for thermal on.
one more port of NC. when thermal is off and will be NO when thermal is on

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Job ID: 39962286
Avg $ | High $ | Low $ — Show Pricing
  • Submit Date (Latest)

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