Operation
Liquistation CSF48
96
Hauser
10.3.1 Overview of the possible program types
The graphic below explains the various ways sampling can be controlled on the basis of a flow
curve:
Sampling mode
Basic program type
Standard program type
Advanced program type
Time proportional sampling
(CTCV)
Time proportional sampling
(CTCV)
Time proportional sampling
(CTCV)
Flow-paced
Flow-paced
Flow-paced
Vacuum/peristaltic pump,
Single sample
Sampling assembly
Sampling table
External signal
Fieldbus (optional)
Peristaltic pump
Flow proportional
sampling/time override
(CTVV)
Flow proportional
sampling/time override
(CTVV)
Flow proportional
sampling/time override
(CTVV)
a0014045
Fig. 88: Sampling control
Q
Flow
t
Time
a. Flow curve
b.
Time-paced sampling
A constant sampling volume (e.g. 50 ml) is taken at
steady intervals (e.g. every 5 min).
c.
Flow-paced sampling
A constant sampling volume is taken at variable
intervals (depending on the inflow volume).
d.
Time/flow-paced sampling
A variable sampling volume (the sampling volume
depends on the inflow) is taken at steady time
intervals (e.g. every 10 min).
e.
Event-controlled sampling
Sampling is triggered by an event (e.g. pH limit
value). Sampling can be time-paced, flow-paced, or
time/flow-paced, or single samples can be taken.
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