Series 638R OEM Pressure Transmitter

Specifications

Service:

Compatible gases and liquids.

Wetted/Housing Materials:

Brass, aluminum, or 316 SS.

Accuracy:

±1.2% FS (includes linearity, hysteresis, repeatability and calibration); Static error band @ 25°C, 5.0 VDC supply voltage.

Cycle Life:

10 million FS 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% FS/°C.

Power Supply:

5 VDC.

Output Signal:

0.5 to 4.5 VDC ratiometric.

Response Time:

10 ms typical.

Output Load:

20 kΩ 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

Approvals

• CE Approval
• RoHS Letter of Compliance

Drawings

• CAD Drawing in format .DWG
• Adobe Reader in format .PDF

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