Manual revision 041
Section 5: Routine Maintenance and Calibration
SBE 37-SM RS-232
62
Pressure Sensor (optional) Maintenance
The pressure port plug has a small vent hole to allow hydrostatic pressure to be
transmitted to the pressure sensor inside the instrument, while providing
protection for the pressure sensor, keeping most particles and debris out of the
pressure port.
Periodically (approximately once a year) inspect the pressure port to remove
any particles, debris, etc.:
1.
Unscrew the pressure port plug from the pressure port.
2.
Rinse the pressure port with warm, de-ionized water to remove any
particles, debris, etc.
3.
Replace the pressure port plug.
O-Ring Maintenance
Recommended inspection and replacement schedule:
For connector end cap O-rings – inspect each time you open the housing
to replace the batteries; replace approximately once a year.
For O-rings that are not normally disturbed (for example, on the
electronics end cap) - approximately every 3 to 5 years.
Remove any water from the O-rings and mating surfaces in the housing with a
lint-free cloth or tissue. Inspect O-rings and mating surfaces for dirt, nicks, and
cuts. Clean or replace as necessary. Apply a light coat of O-ring lubricant
(Parker Super O Lube) to O-rings and mating surfaces.
Pressure sensor port plug
CAUTION:
Do not put a brush or any object in
the pressure port.
Doing so may
damage or break the pressure sensor.
Note:
For details on recommended practices
for cleaning, handling, lubricating, and
installing O-rings, see the
Basic
Maintenance of Sea-Bird Equipment
module in the Sea-Bird training
materials on our website.
CAUTION:
Do not use Parker O-Lube, which
is petroleum based; use only
Super O-Lube.
