Supplying Controls, Peripherals & Interace Devices

for Commercial HVAC, Building Automation, and

Energy Management for Over 25 Years

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 P.O. Box 205

 1348 Keezletown Road

 Weyers Cave, Va  24486

 (540) 234-9000

 (540) 234-9061 - fax

 dynacon@comcast.net

 

 
           
 

PR-274, PR-275 Low Pressure Transmitters

 
            view data sheet       
   Field configurable as reverse 
 PR-274 output (20-4 mA or 10/5-0 VDC)
  PR-275single point controllers 
       
       
   DynaconNetQty 
 PackagingSupply VoltageOutput SignalPart No.EachOrdered 
 NEMA 4 Enclosure12-40 VDC4-20 mA

   PR-274--MA

105.00 
 NEMA 4 Enclosure12-40 VDC, 12-35 VAC0-5 VDC, 0-10 VDC   PR-274--VDC105.00 
 Panel Mount12-40 VDC4-20 mA   PR-275--MA98.00 
 Panel Mount12-40 VDC, 12-35 VAC0-5 VDC, 0-10 VDC   PR-275--VDC98.00 
     Select desired Pressure Range Category from TABLE A below: 
 Guaranteed zero calibration       
 

for all ranges

TABLE A.  PR-274, PR-275 PRESSURE RANGE CATEGORIES  
   CodePressure Ranges (Dip Switch Selectable) 
 Do not have to   R1 ("wc) 0 to 0.10 / -0.05 to +0.05       
 touch zero when    R2 ("wc) 0 to 1.0 / 0 to 0.5 / 0 to 0.25 / -0.5 to +0.5 / -0.25 to + 0.25 / -0.125 to + 0.125 
 changing ranges   R3 ("wc) 0 to 5.0 / 0 to 2.5 / 0 to 1.25 / -2.5 to +2.5 / -1.25 to +1.25 / -0.625 to + 0.625 
      R4 ("wc) 0 to 30.0 / 0 to 15.0 / 0 to 7.5 / -15.0 to +15.0 / -7.5 top + 7.5 / -3.75 to + 3.75 
   

   R1 (pa)

 0 to 25 / -12.5 to + 12.5     
      R2 (pa) 0 to 250 / 0 to 125 / 0 to 62.5 / -125 to +125 / -62.5 to +62.5 / -31.25 to +31.25 
      R3 (pa) 0 to 1250 / 0 to 625 / 0 to 312.5 / -625 to +625 / -312.5 to + 312.5 / -156.25 to +156.25 
      R4 (pa) 0 to 7500 / 0 to 3750 / 0 to 1875 / -3750 to +3750 / -1875 to +1875 / -937.5 to +937.5 
    Example:  PR-275-R3-MA is s panel mount transmitter with R3 pressure ranges
                        (dip switch selectable) and 4-20 mA output signal