YSI 6 series User Manual page 20

Sondes Section 2
600 OMS V2-1 BULKHEAD
Figure 24
The conductivity sensor (module/port) for the
600 OMS V2-1 is factory installed. Optical probes
(turbidity, chlorophyll, rhodamine WT, ROX
optical DO, BGA-PC, and BGA-PE) are
threaded into the optical port on the bottom
of the sonde by the user.
Conductivity Port
Temperature Sensor
Optical Port
LUBRICATE O-RINGS
Apply a thin coat of O-ring lubricant, supplied in the YSI 6570 Maintenance Kit, to the O-rings on the
connector side of each probe that is to be installed.
Figure 25
CAUTION: Make sure that there are NO contaminants
LUBRICATE O-RINGS
between the O-ring and the probe. Contaminants that are present
under the O-ring may cause the O-ring to leak
when the sonde is deployed.
NOTE: Before installing any probe into the sonde bulkhead, be sure that the probe port is free of
moisture. If there is moisture present, you may use a can of compressed air to blow out the remaining
moisture.
YSI Incorporated Environmental Monitoring Systems Operations Manual 2-14