YSI 9300 Photometer User Manual
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If the sample number option is pre-selected, then the following display will
appear, for example (9500 only):
Enter or confirm the sample number (up to 10 digits), then press [OK].
1
If the dilution factor option is pre-selected, then the following display will
appear (9500 only):
Press [OK] to accept the default value (x1, no dilution), or key in new
dilution factor then press [OK].
2
The following display will now appear:
Place a BLANK TUBE in the test chamber, then press [OK].
NOTE: The instrument is designed to hold the blank setting as long as the
instrument is switched on. This stage will be omitted when further tests are
being carried out. However, when changing to a test which requires a
colored or reagent blank, or uses a tube of a different diameter, a new
blank reading is required. The ‘Insert Blank’ prompt will be displayed
automatically.
If the instrument is in used continuously, it is advisable to re-blank from
time to time.
1024
Sam ple Num ber
O K
x 1
Dilution Factor
O K
C hlorine-Free / 5
P h o t 007
Insert B lank
Choos e a Te st
OK