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REL
UNIT A
UNIT B
ENGLISH
71
KEY SIMBOLS LIT BESIDES
THE NUMBERS
FUNCTION
DESCRIPTION
The REL key allows you to
display or store relative values or
send them immediately onto the
serial line.
The values for comparison are
stored at the precise moment in
which the key is pressed.
Data may be stored when the
REL button is active.
After data has been sent onto the
serial line, in immediate or remote
mode from the instrument’s inter-
nal memory, obtained with the
REL function active, a report will
be provided giving the maximum,
minimum and mean relative
values and the reference values
on which the calculation of the
relative values was based.
When the Unit A key is pressed,
input A, any of the following mea-
surement units may be chosen:
kPa, bar, mmHg, atm, mmH
2
O,
psi, l/m, IGPM. The led corre-
sponding to the unit chosen lights
up. The indication at the top of the
display corresponds to input A.
When the Unit B key is pressed,
input B, any of the following mea-
surement units may be chosen:
kPa, bar, mmHg, atm, mmH
2
O,
psi, l/m, IGPM. The led corre-
sponding to the unit chosen lights
up. The indication at the top of the
display corresponds to input B.
REL
10
3
10
3