Metrohm 773 pH/mV Simulator Manuel d'utilisateur télécharger pdf (Page 4)

1.2. Purpose

773 pH/mV Simulator

1.2 Purpose

With the 773 pH/mV Simulator, instruments which measure poten-

tials can be aligned and checked, e.g. Titrinos, Titroprocessors, pH

meters, ion meters, etc. In addition, the input impedance of the

measuring amplifier and the insulation resistance of the accompa-

nying cable can be checked. The temperature measuring input, the

measuring input for polarized electrodes (Ipol) and conductivity

meters can also be checked.

The Simulator produces a pH value or a potential value in the range

from pH = ± 20.000 and U = ± 2000.00 mV respectively.

1.3 Circuit diagram

0.002 MΩ

1000 MΩ

pH=7

U=0mV

1 2 3 4 5 6 7 8 9 ... 17 18

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Metrohm 773 pH/mV Simulator Manuel d'utilisateur Page 4