Hach sension6 Instruction Manual page 62

Portable dissolved oxygen meter
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SECTION 6,
continued
9.
The main display
will show the current
value for the barometric
pressure. If the meter has
been moved to a
different elevation or if
the barometric pressure
has changed, enter the
new value. See Table 5
on page 63.
13.
Press the
key. The
READ/ENTER
display will show 100%.
10.
Press the
key. The
READ/ENTER
display will show the
current value for the
altitude. Use the keypad
to enter the altitude of
the meter.
Note: If the true
barometric pressure has
been entered then the
altitude must be set to
0 meters (0 feet) or
inaccurate calibration
may result.
14.
Press the
key. The
READ/ENTER
stabilizing icon will
appear while the meter
completes the
calibration.
11.
When the altitude
is correct in combination
with the barometric
pressure press the
key. The
READ/ENTER
current value for the
sample salinity (0/00)
will be shown.
15.
When the
calibration is complete,
the meter will return to
the Reading mode. Press
the
key during the
EXIT
calibration sequence to
back out of the
calibration routine,
one-screen-at-a-time,
without completing a
calibration.
61
12.
Since this
calibration is performed
in water saturated air, set
the salinity to zero. If
necessary, use the
keypad to enter a salinity
value of 0 0/00.
16.
Add the weight
assembly to the probe if
required (3- or 15-m
cable versions only).

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