The SITRANS DA400 acoustic diagnostic unit acoustically measures the structure-borne noise - In the version for pump monitoring; on oscillating displacement pumps - In the version for material flow monitoring; on pipes, conveying equipment or channels. It comprises an electric diagnostic unit and up to four acoustic sensors.

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  • Increased plant availability through
    - Optimum maintenance scheduling by early detection of faulty components
    - Precise leak site identification minimizes shutdown and repair time
    - Extended maintenance intervals
    - Increased pump reliability
  • Avoidance of costly successive damages
  • Increased safety in critical applications
  • Early detection of performance declines
  • Increased productivity


Power Supply
19 to 36 V DC, 100 mA max
4 Acoustic channels

6 digital semiconductor relays

power supply for connection with an intrinsically safe switching amplifier to DIN 19234







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