Philips PM 3266 - Page 13

10
1.2.
CHARACTERISTICS
This
instrument
has
been
designed
and
tested
in
accordance
with
lEC
Publication
348
for
Class
1
instruments
and has
been
supplied
in
a
safe
condition.
The
present
Instruction
Manual
contains
information
and
warnings
that
shall
be
followed
by
the
purchaser
to
ensure
safe
operation
and
to
retain
the
instrument
in a safe
condition.
This
specification
is valid
after
the
instrument
has
warmed
up for
30
minutes.
Properties
expressed
in
numerical
values
with
tolerances
stated,
are
guaranteed
by
the
manufacturer.
Numerical
values
without
tolerances
are
typical and
represent
the
characteristics
of
an average
instrument.
CRT
section
Designation
Specification
Additional
information
CRT
type
PHILIPS
L14-140GH/95
Storage
tube with
high
writing
speed,
image
transfer
and
scan
magnification
in
vertical
direction.
Rectangular
tube
face,
post
accelerator
and
metal-backed
phosphor.
Useful
screen
area
8 X 10 DIV
1 DIV
equals
0,9
cm.
Vertical
and
horizontal
straight
lines shall
be
presented
as straight
lines
on the c.r.t.
in the
central
7 x 9 DIV
screen area.
Screen
type
P31
(GH)
phosphor
Total
acceleration
voltage
10 kV
Graticule
Internal
Non-illuminated
Engravings
Dotted
lines
at
1
,
5
and
6,5
DIV from
top
of display
provide
measuring
lattice
for
checking of
rise-time
Writing
speed
1000
D\yips
In
FAST
mode. Not
guaranteed
for the
square
areas of
2 by 2 divisions
in each
screen corner
2,5
DIV/ps
In WRITE mode
and MAX position
0,25 DlVZ/ts
In WRITE
mode
Storage time
1 hour
max.
In STORE mode:
dependent on the
position
of the INTENS
(brightness) control
60 sec.
In the WRITE
mode
at max. intensity
1
5 sec.
In
the
MAX
WRITE
mode
at max. intensity
1
5
sec.
In
the
FAST
mode
at max. intensity.
Persistence
0,3
sec
...
1 min
Operative
in
WRITE
MODE.
Continuously
variable.
Auto
Erase
Operative in Fast mode
In the
auto-erase mode the following cycle
with VIEW TIME
control occurs: the
stored
picture is erased.
If
the
out
of the MAX
position. time-base
is
triggered
a new picture is written.
View
time
continuously
After the
adjusted view time another
cycle
variable
between 3 and
starts and the picture
is erased, etc.
8
sec.
In the FAST
mode
the AUTO, TRIG and
SINGLE
pushbuttons are inoperative. Their
function
is taken
over by the storage unit.
Erase
time
1
,3 sec.
in WR ITE
mode
These values
represent the
time between the
1,6
sec.
in FAST
mode
release
of the ERASE
button and
the end
of
the erase
cycle. The
erase button resets
the
main time-base.
Trace
rotation
Screw<lriver
adjustment
Accessible via
one of the
ventilation holes on
point
the left-hand
side
of the instrument