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Series 638R OEM Pressure Transmitter
Excellent Pressure Surge Resistance, Fast Response
No longer available, see Omega Series PX119 as the suggested replacement.
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
Product Literature
Manuals
Catalog Pages
Product Data Sheet
Approvals
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
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