Menu Descriptions
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USE FIXED SPIKE: When set to ON, a constant
amount of spike is to be added to each test.
WEIGHT OF FIXED SPIKE: The weight of the
fixed spike is entered on sub-menu keyboard.
Note: The precision of tests with fixed spikes
can be no better than the accuracy of the spike
weight.
PROMPT FOR SPIKE BEFORE WEIGHT: When
set to ON, the calorimeter will prompt the user
for the weight of the spike and then the weight
of the sample. Normally the calorimeter will
prompt the user for the weight of the sample
and then the weight of the spike.
BOMB RINSE TANK CONTROLS: Accesses the Rinse
Tank Controls sub-menu. Wash water for the bomb
is drawn from the Bomb Rinse Tank.
BOMB RINSE TANK CONTROLS
REPORT RINSE TANK EMPTY: When turned
on the calorimeter will notify the user when it
believes the rinse tank is empty based upon
capacity of tank and number of tests.
RINSE TANK CAPACITY: Sets the number of
tests available from a full container. If the rinse
timing controls have been changed, then the
value must be changed proportionally.
# RINSES LEFT: This value provides an estimate
of how many rinses are left in the tank. This
number is simply a counter not an actual mea-
surement of the volume in the tank.
RESET RINSE TANK COUNTER:
Resets the coun-
ter when the rinse tank has been refilled. This
counter must be reset after the rinse tank is refilled.
RINSE TIME:
This value establishes the time that
the rinse water solenoid is turned ON for each
rinse cycle. When the rinse water solenoid is ON,
distilled water from the rinse tank is pumped, un-
der pressure, into the bomb cylinder. This rinses
the cylinder walls and the vessel head. These
rinsings are then pooled and collected at the ex-
haust port of the calorimeter. The factory default
value is 2.5s. This value, along with the # of rinse
cycles, determines the total volume of recovered
rinse. These default values will yield a total of 50
mL (approx.) of vessel (bomb) washings.
RINSE FLUSH TIME:
This value is used to estab-
lish a time between rinse cycles. During this time
the rinse solenoid is turned OFF. This off time per-
mits the rinse water to drain out before the next
rinse cycle begins. The factory default value is 2s.
CLEAR TIME: This time value is used to es-
tablish a post-rinse oxygen filling time for the
bomb. This step is used to clear the lines and
valves of any residual rinse water prior to the
next test. The factory default value is 10s.
# OF RINSE CYCLES: This value establishes the
number of distinct rinse cycles used to rinse the
bomb. The factory default value is 3 rinse cycles.
Note: Rinse Time, Rinse Flush Time, and Clear
Time are input in tenths of a second in order to
enable fine tuning of rinse function.
“OTHER” MULTIPLIER: Press this key to display
the Other Multiplier dialog box, where the user can
enter a final multiplier to be used when the report-
ing units are set to “Other”.
LCD BACKLIGHT TIMEOUT: The unit is equipped
with an automatic circuit to shut off the backlight
when it is not being used. The back light will shut
off if there is no keyboard activity for the number of
seconds entered. Pressing any key will automati-
cally turn the back lighting ON. A setting of 0 will
keep the backlight ON at all times.
PRINT ERROR MESSAGES: When turned ON, all
error messages will be printed on the printer as well
as displayed on the screen. When turned OFF, mes-
sages will only display on the screen.
LANGUAGE: Steps the Calorimeter through the
installed operating languages.
OPERATING CONTROLS (CONTINUED) OPERATING CONTROLS (CONTINUED)
SPIKING CONTROLS BOMB RINSE TANK CONTROLS
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