Schambeck RI 2012, Руководство по эксплуатации

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Schambeck SFD GmbH Refractive Index Detector RI2012
RI2012 V1.0 06-2013.EN / 28.10.2013 59 http://www.schambeck-sfd.com
16.5 C
HECKING
S
UM
-
AND
D
IFFERENCE
V
OLTAGES
This chapter describes the check of the sum and difference voltages. These voltages result
from different light intensities reaching the sample side and the reference side of the light
sensor. To perform the check follow the steps listed below:

Make sure the instrument is switched on and both chambers of the flow cell are filled
with distilled water (without bubbles). In this case the optical balance should be 0

20,0 %%. To ensure a stable temperature the instrument should be switched on for
several hours before performing this test.

Press the PURGE button. Make sure the purge mode is activated, the red purge LED
should light up.

Use a disposable syringe to press approx. 5 mL distilled water through the flow cell

The display will show the current detector signal. If no signal is displayed please
check chapter XXX .

Activate the service mode of the RI2012 by pressing the buttons ArrowLeft (
◄
) and
ArrowRight (
►
) at the same time for approx. three seconds. The display will change
to the following

Press the MENU button until the status line in the display changes to ViewFine. Now
press the ENTER button. The display will show four values.