SAMPLE PREPARATION ARRANGEMENT
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United States of America
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Issued Date -
Jan 16, 2025
app pub date -
Nov 7, 2022
filing date -
Nov 7, 2022
priority date (Note) -
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status (Latency Note)
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Abstract
The invention refers to a sample preparation arrangement (30) for preparing a water sample for a process water sample analyzer (70), the sample preparation arrangement (30) comprising an immersion filter probe (20) arranged in a water basin (12), the immersion filter probe (20) comprising a sample filter membrane (24), a peristaltic hose sample pump (40) for pumping a water sample from the immersion filter probe (20) to the process water sample analyzer (70), the sample pump (40) comprising a peristaltic pump hose (42) and a pump motor (46) driving a peristaltic pump rotor (44), a water flow sensor arrangement (50) being fluidically arranged in-line with the sample pump (40) and the water sample analyzer (70), a hydrostatic pressure memory (64) for memorizing a static hydraulic pressure (SP) caused by the vertical pump height (H) between the sample pump (40) and the water level surface (14′) in the water basin (12), and a pressure sensor (80) fluidically arranged between the immersion filter probe (20) and the sample pump (40).
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