Differential Pressure Transmitter Series PD-39X

  • High accuracy with 0.05%FS throughout pressure and temperature range
  • Factory-calibrated with mathematical error compensation
  • Polynomial compensation for precise pressure calculation
  • High resolution of 0.002% of standard pressure
  • IP65 protection rating

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The Differential Pressure Transmitter Series PD-39X is a high-precision device that measures differential pressure indirectly using two absolute pressure sensors. This method offers significant advantages over conventional differential pressure measurement techniques, such as the Series PD-10L, particularly in applications where the differential pressure exceeds 5% of the maximum standard pressure range. The transmitter is designed to be robust against unbalanced overloading and features a 16-bit A/D converter for exceptional accuracy, with a measurement accuracy of 0.05%FS across the entire pressure and temperature range. It also includes microprocessor-based technology for mathematical error compensation, eliminating non-linearities and temperature dependencies. The transmitter supports a digital RS485 interface for readout, calibration, and configuration, and offers analog outputs for flow measurements. It is customizable and suitable for various industrial applications, with features such as IP65 protection and a stainless steel 316L housing.

Use Cases

  • Suitable for Hydrogen applications

Capabilities

  • Readout of pressure and temperature values for both sensors
  • Calibration of zero points and amplification
  • Scaling of the analog output to different pressure ranges or units
  • Configuration settings such as measurement rate, low-pass filter, bus address
  • Readout of information such as serial number, compensated pressure and temperature ranges
KELLER Pressure AG

Keller specializes in pressure sensors for hydrogen applications, crucial for the hydrogen economy. They focus on measurement solutions for hydrogens challenges. Kellers technology supports the transition to cleaner energy.

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