5 analogue output test, 6 motor timer test – Metrohm 787 KF Titrino User Manual

Page 49

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3.3.

Diagnosis

787 KF Titrino

45

• Press <0>.

date/time

cylinder code

• Press <Enter>.

date XX-XX-XX

XX:XX:XX

code:D0 XX ml

activated dosing unit

mL-code

• Check date and time.

• Check whether the ml-code does correspond with the exchange unit placed or not.

For the sake of completeness, different exchange units can be inserted to check their ml code.

If desired, the ex-

change unit can be removed again. If no exchange unit is inserted display does not show the ml-code but „check

exchange unit !“.

• Press <Clear>.

diagnose press key 0...9

5 Analogue output test

A voltage can be set at the analog output (sockets at D) using the keypad. But this should not exceed

±

2000 mV. This volt-

age can also be used for the calibration of a connected recorder.

• Connect a voltage measuring instrument (voltmeter, DVM, recorder) to the ana-

logue output

(10).

• Press <3>.

analog output-1 test

• Press <Enter>.

analog output-1 test

V-out = XXmV

Enter a voltage value in the range

±

2000 mV using the keypad. After the <ENTER> key has

been pressed, this value appears as a voltage at the analog output..

Read off value an the connected voltmeter and compare with the mV value on the display.
(Tolerance

±

2 mV)

• Press <Quit>.

• Disconnect voltmeter.

6 Motor timer test

• Press <6>.

motor-timer test

• Press <Enter>.

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