YSI 550 DO, Руководство по эксплуатации

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YSI Incorporated YSI 550 DO Handheld Instrument 7
SECTION 3 PREPARING THE PROBE
3.1 DESCRIPTION
The YSI 550 dissolved oxygen probe is a replaceable, polarographic sensor designed specifically
for the YSI 550 Handheld Dissolved Oxygen System. Probe cables are available in lengths of 12 or
25 feet. See Figure 5.
3.2 CHOOSING THE RIGHT MEMBRANE
The YSI 5906 Standard Membrane Kit is supplied with the YSI 550 DO Instrument. This kit
contains six cap membranes and a bottle of electrolyte solution. YSI recommends the 5906
membranes for all applications.
3.3 PROBE PREPARATION
The YSI 550 DO probe is shipped dry. Before using the YSI 550, the protective membrane cap
on the probe tip must be removed, the new membrane cap must be filled with electrolyte
solution and installed. Follow the instructions below to replace the membrane cap.
3.4 MEMBRANE CAP INSTALLATION
To install a new membrane cap on your YSI 550 dissolved oxygen probe:
1. Unscrew and remove the probe sensor guard.
Figure 5