Step Key Display
1
From Measurement
mode initiate probe set-
ting.
2
Hold probe in the air to
set liftoff. Press SET and
wait for sounder to beep.
3
Move probe onto the
STD 1 block. Press SET
and wait for sounder to
beep.
4
Move probe onto the
STD 2 block. Press SET
and wait for sounder
to beep, then remove
probe.
Instrument will
return to the Mea-
surement mode au-
tomatically, ready
to take readings.
H
Notes:
If the calibration process has been interrupted during
the procedure the system will time out (indicated by
fi ve short beeps) after approximately 6 seconds and
return to the measurement mode with the setting fac-
tors unaltered.
If the blocks are used in the wrong sequence or the
probe has not contacted the STD’s correctly, the
display will indicate VALUE OUT OF RANGE SE-
QUENCE WILL RESTART the procedure will then
restart at step 1 as in the table above. This setting
procedure can be aborted at any time by pressing the
MENU button.
Because the air temperature can be different from the
STD sample temperature, it is recommended that the
probe is placed on the STD, for approximately 10 sec-
onds prior to the set procedure and held on each block
for 5 seconds before SET is pressed (steps 3 and 4
above). By allowing the probe temperature to settle to
that of the STD blocks optimum setting is ensured.
Probe Setting (SET PROBE)
Operation
AutoSigma 3000 Issue 04, 06/2007 5 - 7
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