Model
5528A
Controls,
Co
nnectors, Indicators
More
About
the
MA
TL
TEMP
KEY
The Millerial TemperalUre Sensors are used
10
compensate for thermal expansion or contraction
of the
material being
measured
by
the
laser
Measurement System.
You
can lise the
MAT
l
TEMP
key at any time {without losing of
measurement
data) to -
a.
display
the
average
temperature
of
all
sensors
co
nnected
, -
b.
display
the
temperature
of
each
individual sensor
connected,
-
c. display
the
default average lernpf'rature
val
ue
(2
0
oC
or
68
°F)
if
all
sensors are
disconnected
, -
d.
enrer
an
averase
workpiece
temperature
when
all
sensors arc
di
sconnected.
The range of the
10757A/
!J
/C
Material Temperature Sensor
is
0 to
40
°C
~
32
to
104
°F),
When a
sensor reaches a
temperature
outSide this range, an appropriate error messase
is
displayed by
the
Measurement
Display unit. See Section 1
7,
"E
RROR
MESSAGES
" for explanation of these
message
s.
The same err
or
messages are used when a tempera lUre signal
error
occurs
due
to a
hardware failure.
To
Display
the
Material Te
mperature
To displ
ay
the
material
temperature.
press
the
MAll
TEMP
key.
The first time this key
is
pressed, an "A" {indicating "average") appears
on
the left-hand side of
the
display,
and
the
tempera
t
ure
(fixed to two decimal places)
is
shown
on
the
right, followed by
a
"e"
or
an
"F"
(
centigrade
or
fahrenheit
),
depend
ing
on
the
setting
of
the
ENGLISH
-
METRIC
switch.
Each
successive
pre
ss
of the
MAll
TEMP
key
will
display Ihe
temperature
of the sensors,
in
the
order
"1
",
"2"
, "3".
If
the
next sensor
to
be
read is not
co
nnected
, the Meas
urement
Display unit
will skip that reading. Thus,
if
only sensors "1" and "3" are
connected,
successive prcsses of
MATl
TEMP
wi
ll
give
the
average
tempe
rature, the
temperature
at sensor
"1",
the temperature
at
sensor
"3",
and
a
return
to
the
measurement
mode. If no sensor
is
connected, successive presses
of MA
Tl
TEMP
wi
ll
show
the
average
temperature
and
the
n return
to
the
measurement
mode
.
If you
selec
t
some
other
function while
the
temperature
of
a particularscnsor
is
being displayed,
and
then
pres
s
MAn
TEMP,
t
he
display will go back
to
showing
the
temperature
of that sensor;
successive presses of
MATL
TEMP
will cycle through t
he
sensors
and
"average", as described
abovc.
For
example, assume that
all
three
Mate
r
ial
Temperature sensors are
connected,
and that
the
t
emperature
of sensor
number
"2"
is
being
dIsplayed. If you then press the
VELOCITY
key (to
fi
nd
ou
l how (
as
t
the
optics are moving
),
and then press
the
MAll
TEMP
key again. the
temperature
at sensor
number
"2"
will
be
displayed again. Successive presses
will
then display
the
temperature
at sensor
"3",
and
then
a return to mode.
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