Differential pressure sensor USD50

Silizium Messzelle USD50

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The differential pressure sensors USD50 with piezo resistive sensor and welded metal membrane are used in process and environmental industries. They measure level, volume and mass in liquids as well as differential pressure in e.g. filters and pumps as well as in flow applications (volume and mass flow).

Silicon differential pressure sensor, uncompensated bridge output signal with cable connection.

  • Measuring range 10mbar to 40bar
  • Bridge output signal (mV/V)
  • Highest accuracy, reproducibility and long term stability
  • High overload resistance of 160/420*bar (one side) 240/630bar* (both sides)
  • 316L Version
  • Different membrane materials and filling oils*
Sectional view of the USD50

Technical structure of the USD50.

Standardized measuring ranges:

  • 0…10mbar / 1kPa / overload range:1,000mbar (one side), 1,500mbar (both sides)
  • 0…30mbar / 3kPa /overload range: 1,000mbar (one side), 1,500mbar (both sides)
  • 0…100mbar /10kPa overload range: 160bar (one side), 240bar (both sides)
  • 0…500mbar / 50kPa / overload range:160bar (one side), 240bar (both sides)
  • 0…1bar / 100kPa / overload range:160bar (one side), 240bar (both sides)
  • 0…3bar / 300kPa / overload range:160bar (one side), 240bar (both sides)
  • 0…16bar / 1.6MPa / overload range: 160bar (one side), 240bar (both sides)
  • 0…40bar / 4MPa / overload range:160bar (one side), 240bar (both sides)

For measuring ranges from 100mbar a higher overload range is optional:
420bar (one side), 630bar (both sides) optional

Output signal and energy supply:

  • Recommended: Constant current feed, <1mA
  • Bridge resistance: 4.3…5.6kΩ (25°C)
  • Output signal: 22…55mV/V (span)

Design size:

  •  Ø 55 mm x 40 mm

Operating conditions:

  • Ambient/process temperature: -40 to +85°C
  • Storage temperature: -40 to +85°C

The differential pressure sensors are the base for the design and construction of high quality differential pressure transmitters. The sensors are uncompensated and can be compensated and calibrated at customer site.

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