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IEC/TR 62781

1st Edition, September 1, 2012

Complete Document

Ultrasonics – Conditioning of water for ultrasonic measurements



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Description / Abstract:

This Technical Report describes methods:

• for degassing water to be used in ultrasonic measurements,

• to decrease the ionic content of water to be used in ultrasonic measurements,

• to decrease the biological content of water to be used in ultrasonic measurements,

• to reduce the suspended particulate content of water to be used in ultrasonic measurements.

This technical report is applicable to all measurements of ultrasonic fields where water is the transmission medium. The quality and treatment methods for water used within a radiation force balance (RFB) may be different from that required for hydrophone based acoustic measurements. Chemical based methods of water treatment (e.g. algaecides) may be appropriate for these applications. However, in this document, chemical means are noted but appropriately discouraged for acoustic pressure/intensity measurements.