SPECIFICATIONS
D~C Voltage
Ranges:
0
to
5,
10
#
100,
500,
1000 volts
(to
30 KV with HVP-1
probe)
Input impedance:
25 Meg.
A~C Voltage Ranges:
0
to
5,
10,
100, 500,
1000
volts
(Special scale
for
0 to 5
volts)
Input
impedance: 3 Meg.
Electronic Ohmmeter Ranges:
0 to 1000
ohms,
10,000
ohms,
1 Meg., 10
Meg.,
1000 Meg.
(Measures from
0.
2 ohm to
1
000 Meg
.)
Decibel
Ranges:
-20
to
+
55
db
Frequency Range:
20
-
200,000
cps
(Up
to 200 Me
with P-75
probe)
Accuracy:
d-c
volts,
ohms
—
+
3%
a-c
volts
—
i
5%
Power Supply:
1
1 5
v
,
50-60
cps,
10 w
Ohmmeter Battery:
1
1/2
v
dry
cel!
Tubes:
6X5,
6H6,
6SN7
Overall Dimensions:
width
-
6
in.
,
height
-
9
7/16
in.
,
depth
-
5
in.
Weight:
10
pounds
Cabinet:
Blue grey
wrinkle
lacquer
on steel
Panel
•
3
color,
deep etched
OPERATING INSTRUCTIONS
I
Nl
TIAL
S TEPS
:
Check the mechanical zero adjustment
of the meter
pointer
when
the
power is
off. If the pointer
is
off
zero,
turn
the
slotted screw direct-
ly
beneath
the meter face until the pointer is brought to
zero.
Plug the line cord
into the 60
cycle,
115
volt
a-c
supply, turn
the
power
on
with
the "ON-OFF"
switch, and
a
I low
a
normal warm-up time
(about
one
minute).
Insert
the phone plug,
PI
(on the DC
test
lead), in the DC jack, Jl,
on the
panel. Insert the pin plug,
P2
(on
the
AC-OHMS test
lead),
in the
AC-OHMS jack, J2,
on
the
panel.
Insert
the
banana plug,
P3
(on
the
COM-
MON
test
lead), into the
COMMON (ground) jack,
J3,
on the panel.
This
is
the COMMON lead for all functions.
CAUTION: Never connect the COMMON lead to
a
high
voltage
point
as
this
will
place
the
meter chassis and case at
a
high
voltage above
ground.
When
working with high
voltages, avoid
contact
with
or
close
proximity
to
high voltage
points.
If
possible,
attach the test leads with
the
power
off
in
the
circuit
to
be
measured. After the leads are attached,
turn
the
power on
and
take the reading.
D
-C VOLTAGEMEASUREMENT:
Set
the FUNCTION switch
to
n
+DC"
or
"-DC
VOLTS", the RANGE
switch to desired voltage range, and
then
use
the
ZERO
ADJ. potentiometer
to
bring the
meter
pointer
to
zero*.
Clip
the COMMON
lead
to ground
or the low
side
and touch
the
DC
probe
to the high side
of the
-
3
-
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