Metrohm 856 Conductivity Module Bedienungsanleitung PDF herunterladen (Seite 30)

3.5 Connecting sensors

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856 Conductivity Module

USB 1

USB 2

MSB 1

MSB 2

MSB 3

MSB 4

Made by Metrohm Herisau Switzerland

Controller

100 -200 V

f = 50 - 60 Hz

P = 45 W

Cond. Cell

Typ

Nr.

Metrohm

Switzerland

Figure 13 Connecting the adapter box

Plug the black plugs of the conductivity measuring cell into the black

Cond. Cell sockets and the red plugs into the red Pt 1000 sockets

on the front of the adapter box.

6.2103.160

Metrohm

Cond. cell

Pt 1000

Figure 14 Connecting the conductivity measuring cell to the

adapter box

During conductivity measurements, take care to ensure that

￭ the measuring cell is positioned in such a way that the upper side

openings are completely immersed in the liquid.

￭ no air bubbles adhere to the Pt rings or Pt platelets. Air bubbles pres-

ent inside the measuring cell can be removed by swinging back and

forth and by tapping.

￭ the conductivity measuring cell is not so deeply submerged in the solu-

tion that it becomes damaged when the stirring bar is used to mix the

solution.

￭ the magnetic stirrer is switched off during the measurement.

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Metrohm 856 Conductivity Module Bedienungsanleitung Seite 30