Series 638R OEM Pressure Transmitter

Excellent Pressure Surge Resistance, Fast Response

The Series 638R OEM Pressure Transmitter is a high-accuracy, low-cost pressure transmitter designed for industrial equipment markets. This transmitter is designed to work with all liquids and gases that are compatible with the wetted materials. The series features a number of configurable options including wetted materials, process connections, and pressure ranges. Whether the application involves aggressive fluids or extreme temperatures, this transmitter is a great option for most applications.

MINIMUM ORDER QUANTITY: 1000 PCS

Product Applications

  • HVAC equipment
  • Refrigeration equipment
  • Refrigerant recovery
  • Leak detection systems
  • Building pressurization
  • Isolated diaphragm packages
  • Closed loop hydraulics
  • Paint and agriculture spraying

Models & Ordering

Shipping Information

All shipping times are dependent on product availability at time of shipment.

Although we make every effort to ensure a continuous supply of our products, occasional circumstances may force us to temporarily run out of a product, or have shipping delays. Should this occur, customers will be notified soon after placement of any orders for such products and, if applicable, items will be put on backorder. For orders requiring expedited shipment, our customer service team can be contacted to confirm product availability

Build Your Custom Part. Use our Product Configurator

Specifications

Service:
Compatible gases and liquids.
Wetted Materials:
Brass, aluminum, or 316 SS.
Accuracy:
±1.2% F.S. (includes linearity, hysteresis, repeatability and calibration); Static error band @ 25°C, 5.0 VDC supply voltage.
Cycle Life:
10 million F.S. cycles.
Storage Temperature:
-40 to 302°F (-40 to 150°C).
Operating Temperature:
-40 to 275°F (-40 to 135°C).
Pressure Limit:
See model chart on catalog page.
Thermal Effect:
±0.013% F.S./°C.
Power Supply:
5 VDC.
Output Signal:
0.5 to 4.5 VDC ratiometric.
Response Time:
10 ms typical.
Output Load:
20kΩ min. (Pull-up or Pull-down)
Current Consumption:
<10 mA @ 5.5 VDC (8.5 mA typical).
Electrical Connection:
Packard connection.
Process Connection:
7/16" 20 UNF (female) or 1/4" NPT (female).
Enclosure Rating:
IP67 (with IP67 plug).
Mounting Orientation:
Mount in any position.
Weight:
1.1 oz (30 g).
Agency Approvals:
CE.

Features

  • High-accuracy pressure transmitter with a fast response time and excellent pressure surge protection
  • Suitable for use in applications with extreme temperatures and aggressive fluids
  • Highly configurable cost-effective transmitter with a compact design

Videos

Model Chart

638R-X-X-X-X-X       638R REFRIGERANT PRESSURE TRANSMITTER

          1ST SYMBOL (1ST X) RANGE
             00   0 - 75 PSIA (0 - 5.2 BARA)
             01   0 - 150 PSIA (0 - 10.3 BARA)             
             02   0 - 200 PSIA (0 - 13.8 BARA)
             03   14.5 - 265 PSIA (1 - 18.3 BARA)
             04   14.5 - 315 PSIA (1 - 21.7 BARA)
             05   14.5 - 515 PSIA (1 - 35.5 BARA)
             06   14.5 - 667 PSIA (1 - 46 BARA)
             
          2ND SYMBOL (2ND X) PROCESS CONNECTION
             P1   7/16-20 UNF
             P2   1/4" FEMALE NPT
 
          3RD SYMBOL (3RD X) 
             E1   PACKARD CONNECTION

          4TH SYMBOL (4TH X) ELECTRICAL OUTPUT
             S2   0.5V - 4.5V RATIOMETRIC

          5TH SYMBOL (5TH X) HOUSING MATERIAL
             AL   ALUMINUM
             BR   BRASS
             SS   316L STAINLESS STEEL

Product Literature

Manuals

Catalog Pages

Product Data Sheet

SlideShare

Approvals

Drawings

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