BK Precision 177/V-95 User Manual

See OPERATING
WARNINGS
on
page
3
concerning
connection
of aommon
lead
of
VTVM.
DC VOLTAGE
MEASUREMENTS
Io
nrerrsur,,DC
r.oltages
with
the V'l'VM,
connect tlte
common learl
to the
common
B-,
or
"grouncl"
gide
of
the
voltage
to be
measured.
This
is the
chassis
in
most
instances
although
in many
transformerless
sets,
the
chassis is
isolated
from
the
electrical
circuitry
and the common
or B-
side
must
be determined
f
rom
the schematic
diagram.
Set the
function
switch
to
-DC
or
tDC
as
requirecl,
ancl set
the range
switch
to
a range
greater
than
the
voltage to
be
measured,
if known.
If not
known,
set to
the highest,
(0-1500
volt)
range.
set
the
AC-OHMS,
DC
switch
on the
test
probe
to the
DC
position,
then touch
the
pro|e
to
the voltage
point
to be
measured.
If the
reading obtained
is less
than
rf
fuli
scale
(500
volts
rvhen on
the 0-1500
volt
range)
move the
range switch
to the
next
lower
position.
(0-500
volt
range in
this
example.)
For
greatest
accuracy,
always
select
the
range
which
permits
you
to obtain
a
reading
nearest
full
scale
deflection
without
having
the
pointer
go
off
scale.
IJse
only
the scales
marked
DC-
RMS
for
reading
DC
uoltages.
Use
the
0-5 scale
for reading
DC voltages
between
0
and .5
volts.
You
rvill notice
that
your
vTVM
has
a convenient
center
scale
zero
position
for
special
applications
such
as balancing
FM discriminator
circuits.
You may use
this
center
scale
zero feature
when the
range
switch
is on
either the
*DC
or
-DC
position
by
simply
adjusting
the
ZERO
ADJ.
control
to bring
the
pointer to the
center
scale marking.
set Function
switch
to
"-DC
or
*DC"
volts
position,
and
switch
in tlre
orobe
to
"DC".
VOLTAGE
TO
BE MEASURED
SET
RANGE
SWITCH
TO
READ
FROM
SCALE
MULTIPLY
READING
BY
0 to.5V
0 to
1.5V
1.5
to
5V
5 to
15V
15 to
50V
50
to
150V
150to
500V
500 to
1500V
.5V
DC
1.5V
5V
15v
50v
150v
500v
1500v
0to5
0 to
1.5
0to5
0 to
1.5
0to5
0
to
1.5
0to5
0
to
1.5
.L
I
1
10
10
100
100
1000
AC VOLTAGE
MEASUREMENTS
To
measure
AC
voltages
with the
VTVM,
connect
the common
leatl
to
one
side
of the
voltage
to be
measured,
set the
function
switch to
AC,
and the
range
switch
to
a range
greater
than
the voltage
to be measured,
if
known.
ff not
known,
set
to the
highest
(0-1500
volt) range.
set
the
AC-OHMS,
DC
switch
on the test
probe
to
the
"AC-OHMS"
position,
then
touch
the
probe
to the
other
side of
ihe
voltage
to
be
measured.
If the
reading
obtained
is less
than
%
full
scale
(500
volts
when
on the
0-1500
volt
range)
move
the
range
switch
to the
next

BK Precision 177/V-95 Specifications

General

Brand	BK Precision
Model	177/V-95
Category	Measuring Instruments
Language	English