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2.
PROTECTION-UL
1244, VDE O4I1
Fully
Overload
hotected
- Ot*l..d
protection
is
accomplishcd orr
rrll t;trtllcs
For
overvoltage
protection' a
seclected sparkgap
witlr low
capa-
cidance
is-used
which
proved superior
in
pcrlirrtttrtrrcc'than
the
varistors used
in
other instrumcnts Art
ilrrrrslr
(
tlrrcnt
limiter
combination protects 500V
DC or lttrs A(l
trrt
all
resistance
rages.
Al.o
"
pair
of
fast
switching
high cttrrcrrt
siltc()rr
(li()des
plus
a fuse
provide
excellent protection
on
rll
'
ttttt ttt
rrtrtgcs'
Furthermore, the
input
of
the
analog
to
ililiitrrl
I
()trvcrtcr
is
protccted
against overvoltages.
Frotected
Inpuf
Socket and Test
Lrads
The
0.16
in. input
sockets
are
fully
rcccsse'l
'ttrrl
pro-
tected
against accidental
contacts The
tcst
lcarls
srtpl>licd
with
the
equipment
give
added safety
to tltc
usct
sitrt.
the
jacks are sheathed
thus
avoiding
dangerous
corl'rfcti()rrs
to
-eventual
high
voltages.
The prods
supplicd
havc.
lirtgcr
stoppers
to k""p
fingers away
from
the barc
cnd' 'Ilr(:
l)r'od
t"r-in"ls
are
sufficiently
long
and
slendcr
to
rcach
:tny
tt:st
points found
in
actual
boards.
Operator Protection
pt"tri"
,ASS casing
is
intrinsically insulated'
Deeply
re-
cessed
socket and safety leads insure a large
degrce
of
pro-
tcction
to
the
user. Strong current
cut-off
power
in
case
clf
accidcntal
or
erroneous
connection
to
a
power
source,
will
blow
a
fusc
without
damage
to
the
operator
or
equipment
(rrt, :rrc
in
rlre
frts.
,
tlo itlstrultt.'nt
burn-out)'
3-
x
(0.25% of rdg
+
1
digit)
3.
SPECIFICATIONS
Geneil
oi"pt"y,
ZUdigit LcD.
0.5tt
height,
with
polarity
and
LO BAT indication.
Overrange
Indication:
3
least
significant
digits blanked.
Maximum
Common Mode
Voltage: 500V
peak.
Operating
Environment:
0o
to
50oC;less
than
S}Vorelat\ve
humidity up to
35oC, less
than
70% relative
humidity
from35oC.to
5OoC.
Storage
Environment:
-15oC
to
50oC.
Temperature
Coefficient
(0o
to
L8oC
and
28o
to
50oC):
less
than
0.1 X applicable accuracy
specification
per
oC.
Power: 9V alkaline or carbon-zinc
battery (NEDA
1604)
Battery
Life:
100 hours
typical
with
carbon-zinc cells 200
hours
with
alkaline
cells.
Battery Indicator:
Display indiates
"LO BAT"
when
Iess
than
2Mo of
life
remains.
Dimensions
Weight:
6.7'.'Hx
3.4"'w
x
1.7t'D
(17Omm
X
87mm
X
42mm),
13.4
O2
(3829)
DC
Voltage
Range
200mV
2V
20v
200v
1000v
Resolution
0.1mV
1mV
1OmV
10OmV
1V
Accuracy
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