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Kamstrup MULTICAL 21 User Manual

Kamstrup MULTICAL 21
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MULTICA21 & flowIQ® 2101 /..02 /..03 TECHNICAL DESCRIPTION
Kamstrup A/S •Technical Description • 5512-897_J1_GB • 06.2016 57
built-in ASIC converted into the current velocity of sound, which is used in connection with flow
calculations.
12.4 Calculation of flow volume
The measurement of the actual velocity of sound in water can also determines the temperature of the
water, as there is a correlation between these two values, at temperatures below approx. 30 °C
The flow is calculated, as mentioned above, by multiplying the flow rate and the cross-sectional area:
AFQ
This measurement and calculation is performed every four seconds, in the meter; the calculation itself only
takes a few milliseconds. The measurement is therefore a 'snapshot' of the current flow.
This, like any type of digital sampling, integrates the measurements over time, leading to the calculation of
the final volume.
Time [seconds)
Flow [l/sec.)

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Kamstrup MULTICAL 21 Specifications

General IconGeneral
BrandKamstrup
ModelMULTICAL 21
CategoryMeasuring Instruments
LanguageEnglish

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