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DW6551 Wet/Wet Differential Pressure Transmitter
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This Wet/Wet Differential Pressure Transmitter converts a positive.Refrigeration & HVAC Equipment
This Wet/Wet Differential Pressure Transmitter converts a positive or a positive differential pressure measurement into a standard 4-20 mA output signal. Designed for use as a wet/wet differential pressure transmitter, units can be used to measure gas or liquid pressures compatible with 316/316L stainless steel wetted parts. With an accuracy of ¡¾0.5% FS, the Series 655 Pressure Transmitter can measure 5.0 inches w.c.d (1.24 kPa), with working pressures up to a maximum 100 psi (6.89 bar).

CAUTION: Do not exceed specified supply voltage ratings. Permanent damage not covered by warranty will result. This device is not designed for 120 or 240 volt AC operation. Use only 16 to 35 Vdc.
 
Features
  • Wet/Wet Low Differential Pressure
    – 0-5" w.c.
  • Withstands High Pressure
    – 100 PSI Maximum Working Pressure
  • Excellent Wetted Materials
    – 316/316L Stainless Steel
  • External Span And Zero Adjustments
    – +/- 10% of span
  • Highly Accurate
    – +/-0.5% Full Scale
 
Applications
  • Refrigeration & HVAC Equipment
  • Chill Water Line Pump Monitoring
  • Water Filter Monitoring
  • Process Control
 
SPECIFICATIONS

Service

Compatible, non-combustible gases & liquids
Wetted Materials Types 316, 316L SS
Accuracy +/-0.5% F.S. (Includes linearity, hysteresis & repeatability)
Stability + 1% F.S./yr
Temperature Limits 40 to 120¡ÆF (4.44 to 48.9¡ÆC)
Pressure Limits 100 psi (6.89 bar) continuous; 500 psi (34.5 bar) burst
Thermal Effect 0.025% F.S./¨ùF (0.045% F.S./¡ÆC)
Power Requirements  16-35 VDC (2 wire)
Output Signal 4 to 20 mA
Zero & Span Adjustments Accessible Potentiometers
¡¾10% of span
Loop Resistance DC; 0-1250 ohms maximum
Current Consumption DC; 38 mA max
Electrical Connections 3 position plastic terminal block
Process Connections 1/4" female NPT
Enclosure Rating Designed to meet NEMA 4X
Mounting Orientation Not position sensitive
Weight 1 lb., 11.7 oz. (785 g)

CAT NO. MODEL DEscRIPTION AVAIL PRICE 
DW6551   655-1   Wet/Wet Differential Pressure Transmitter   Yes   1,293,840
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DAVIS Á¾ÇÕ °èÃø±â - Çѱ¹´ë¸®Á¡ ÄÚ¸°½º°è±â(ÁÖ)
 
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