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Wet/Wet Differential Pressure Transmitters for Industrial Media

0 to 20 psi, Differential, 4 to 20 mA Output


Item# PX273-020DI

Volume discounts available
Volume Discount Schedule
Quantity Price each
1-4 $532.35
5-9 $505.73
10-24 $495.09
25-49 $473.79
50-99 $463.14
100+ $452.50

In stock

Lead Time ( If not in Stock): 2 weeks

0 to 20 psi, Differential, 4 to 20 mA Output PX273-020DI PX273-020DI
  • Liquids Can Be Applied to Both Ports
  • Zero And Span Adjustments for Field Calibration
  • Immune to Mounting Orientation or Vibration Errors
  • Rugged Steel NEMA-1 Enclosure
  • Solid State Reliability

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Pressure Temperature Unit
Pressure Temperature Min
Pressure Temperature Max
Pressure Range
Pressure Type
Accuracy Class
Accuracy Value (compensated range)
Output Signal
Electrical Output
Pressure Port Size
Pressure Port Type
Operating Temperature Range

Product Specs

  • Accuracy Value 0.75
  • Excitation 24 Vdc @ 50 mA
  • Maximum Compensation Temperature -18°C (0°F)
  • Minimum Compensation Temperature -18°C (0°F)
  • Wetted Materials Wet Diaphragm

The OMEGA PX273 is an all stainless steel wet/wet differential pressure transmitter, incorporating dual diffused piezoresistive sensing elements with stainless steel media isolation. The unit is compatible with all media encountered in industrial applications, including freon, ammonia, treated water, and steam. The PX273 is ideal for monitoring and controlling pump differential pressure, CW/HW system differential pressure, chiller/boiler differential pressure drop, and many other industrial applications.

Excitation: 24 Vdc @ 50 mA
Output: 4 to 20 mA
Accuracy: ±0.75% FS
Zero Adjustment: ±50% FS
Span Adjustment: ±25% FS
Operating Temp: -18 to 82°C (0 to 180°F)
Compensated Temp: -18 to 65°C (0 to 150°F)
Thermal Effects:
Zero: ±0.025% FS/°F
Span: ±0.01% FS/°F
Max Static Pressure: 200% FS (each port)
Proof Pressure: 200% FS (each port)
Burst Pressure: 500% FS
Max Loop Res: 50 x (voltage supply – 14)
Response Time: 400 ms
Gage Type: Chemical vapor deposition
Wetted Parts: 316 stainless steel
Pressure Port: 1/8 NPTF
Electrical Conn: Screw terminals
Weight: 0.68 kg (1.5 lb)
Case: 16-gage steel
Dimensions: 51 H x 127 W x 89 mm D (2 x 5 x 3.5')

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