Figure 4 Power switch and SD card
1 Status indicator light 3 Analyzer ON/OFF indicator LED
2 Power switch (UP = ON)
2
4 SD card slot
Status indicator light
When the analyzer power switch is on, a status indicator light is on. Refer to Table 1.
Table 1 Status indicator definitions
Light color Definition
Green The analyzer is in operation with no warnings, errors or reminders.
Yellow The analyzer is in operation with active warnings or reminders.
Red The analyzer is not in operation due to an error condition. A serious problem has occurred.
Startup
Reagent preparation
W A R N I N G
Chemical exposure hazard. Obey laboratory safety procedures and wear all of the personal protective
equipment appropriate to the chemicals that are handled. Refer to the current safety data sheets
(MSDS/SDS) for safety protocols.
Prepare Reagent 1
Use standard laboratory protocols during preparation.
Items to collect:
• Sodium molybdate dihydrate, Na
2
MoO
4
·2H
2
O, > 99%, analytical quality, 90 g
• Concentrated sulfuric acid, H
2
SO
4
, 95–97%, analytical quality, 500 mL bottle
• Potassium antimonyl tartrate trihydrate, C
8
H
4
K
2
O
12
Sb
2
·3H
2
O, analytical qualitiy, 1.66 g
• Volumetric flask, 2 L
• Laboratory funnel
• Deionized water, 2 L
• Ice water bath
• Analyzer Bottle #R1
2
Open the upper door and the analytics panel. The power switch is inside on the far right side on
the back of the analyzer.
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