Hydraulics Circuit; Operation Principle - Hach TPM870 Manuel D'utilisation

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1.2 Hydraulics circuit

1.2.1

Operation principle

The sample is driven into the turbidity flow cell (3) with pump (2) after
electrovalve (1) has opened. The sample is evacuated to a waste.
Rinsing water is driven into the turbidity flow cell (3) with pump (2) after
electrovalve (4) has opened. Rinsing water is evacuated to a waste as
for the sample.
Electrovalves (1) and (6) and pump (2) are monitored via the TTL
commands of the instrument used for the electrochemical
measurements. Manual rinse can be triggered by pushing button (5).
Waste
Sample
beaker
TPM870
3
1
4
2
5
Rinsing
6