HP 5245L Service Manual

Model
5245L
02349-1
o5245
-A-5
Section
I
Table
1-1
Table
1-1.
Specifications
(cont'd)
GENERAL
(continued)
Display
Storage
:
Holds
reading
between samples;
switch overrides
storage.
Sample
Rate: Time
following
a
gate
closing dur-
ingwhichthe
gate
maynot
be reopenedis
con-
tinuously
variable fromless
than
0.
2
sec
to
5
seconds
infrequency
mode,
independent
of
gate
time; display can
be held
indefinitely.
Operating Temperature
Range:
-20'Cto
+65'C.
Connectors:
BNC
type
except for
BCD
output
and
power
cable.
Signal
Input:
Maximum
Sensitivity
-
100
mv rms.
Attenuation
-
Step
attenuator
provides
ranges
of 0.
1, l,
and
10 volts rms.
Trigger Level
Adjustment
-
Front
panel
con-
trol has
+
0. 3
volt
trigger level range
on
0.
1
volt
position,
r
3 volt
range
on
1
volt
posi-
tion,
and
t
30
volt
range
on 10 volt
position.
A
preset
po
s
it ion
automatically
centers
trigger level
at zero
volts for all
positions
of attenuator.
Impedance
-
1
megohm
in
parallel
with approx-
imately
25
pf,
aII
ranges.
Coupling
-
ac
ordc,
separate BNC connectors.
AC
coupling
has 600
vdc,
0.022
g,f
capacitor
(-3
dB at approximately
7
Hz).
Overload Protection
-
Diode
clamps
protect
input
circuit for up
to
120
volts rms on 0.
1
volt range,
250
volts
rms on
1
volt range,
and
500
volts
rms
on
10
volt range. hrput
resistance
under
overload conditions
(ap-
proximately
tentimes
minimum
sensitivity)
will
be
greater
than
100K ohms on 0.
1
volt
range, and
approximately
l
megohm
on
other ranges.
Time
Base External
Input
(Front
Panel):
Maximum
Sensitivity
-
100 mv, rms.
Impedance
-
10K ohms,
approximately
20
pf.
DC
coupled.
Overload
-
Diode
clamps
protect
input
circuit
for up
to 120
volts,
rms.
Output:
4-line
BCD
L-2-2-4,
r?lr?
state
positive.
4-
Iine
BCD
L-2-4-8, available
as
Option
02
("1"
state
positive)
and
Option
03
("1"
state
negative).
"0"
State Level:
-Bv.
"1."
State Level:
+18v.
Impedance
- 100K, each line.
Ref
erence
Levels:
Approximately
+L7v,
350
ohm source.
Approximately
-6.
5v,
1000 ohm
source.
Output
is
suitable for
systems use or output
devices
such as
6g
Model
580A
and
5B1A
Digital-to-Analog
Converters
and
includes
the decimal
point
and measurementunit
for
@
slZe. Digital
Recorder.
Print
Command
-
+13v
to 0v
step,
dc-coupled.
Cable
Connector
-
Amphenol
50-pin 57-30500,
1
required.
Hold-off Requirement
-
+15v
min., +25v
max.
from
chassis
ground
(1000
ohm
source).
Weight
-
Net 32
lbs
(L4,4
kg)with
blank
plug-in;
shipping,
40
lbs
(18,2
kg).
Power
Supply
-
115 or 230 volts
+l}Vo,
50 to 60
Hz; 95 watts
(50
to
1000
Hz
operation, special
order).
Accessories Furnished
-@
fOSOgACable,
4 feet
Iong, male BNC
connectors.
Detachable
power
cord, 7-l/2 ft
(2040
mm)
long,
NEMA
plug.
Circuit
Board Extender.
Dimensions:
rcTES
drfisroi3
n
rrcH8
u0
tHrLLrrcrtis)
irt,rrrx*crrr,rcrro
q__
-
.il
c.arrt
*'er{
rcluDrlc rrrr,rDD
I
(a)
rc
crr uk *rcNt
@
ra
cn rrcss
OPTIONAL AND
SPECIAL
FEATURES
Option 02:
4-Iine BCD
l-2-4-8,
"1"
state
posi-
tive
in
lieu of L-2-2-4
(identical
in other re-
spects to above
Output data)
for digits
only.
Option 03: 4-Iine BCD
L-2-4-8,
"1"
state
nega-
tive
in lieu
of
t-2-2-4
(identical
in
other
re-
spects
to
above
Output
data)
for
digits
only.
Remote Operation:
AII functions
which
may be
programmed
from the
front
panel
controls
(in
normal
use) may be
programmed
from a
remote
location except
for
the
"Sample
Rate"
(as
defined above) and
the sensitivity
control
setting.
The instrument
provides
(through
rear
panel
connectors)all
voltages necessary
for remote control.
The
programming
volt-
ages for
Time Base and
Function
control are
Iow
level,
-15
volts
dc at
5
ma
per gate.
Con-
trol
may
also
be
achieved by using an
external
-15
volt
dc
supply.
The
position
of the deci-
mal
point
andmeasurements
unit
maybecor-
rectly
illuminated
from
the
remote location,
using
+1?0
volts dc
from the
internal or an
external
supply.
Cable Connector:
Amphenol 36-pin 57-30360,
2 required.
-f.-
relr.z:+--]
1-3

HP 5245L Specifications

General

Brand	HP
Model	5245L
Category	Cash Counter
Language	English