Heathkit IM-18 - Specifications; Electronic DC Voltmeter; Electronic AC Voltmeter; Electronic Ohmmeter

SPECIFICATIONS
Electronic DC Voltmeter-
T
RANGES...
cee
ee
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eens
0-1,5,
5,
15,
50,
150,
500,
1500
volts
full
scale;
up
to
30,000
volts
with
accessory
probe,
Input
Resistance,
....
6.00.2
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ee
11
megohms
(1
megohm
in
probe)
on
all
ranges;
1100
megohms
with
accessory
probe,
Circuit,
occ
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Balanced
bridge
(push-pull)
using
twin
triode,
Accuracy,
se
cccsceeevceeceesecess
$8%
full
scale,
Electronic AC Voltmeter-
T
rms
RangeS.,...0
+e
eee
rene
nceee
0-1.5,
5,
15,
50,
150,
500.
1500
volts
full
scale
{,353
of
peak-to-peak),
7
Peak-to-Peak
RangeS,......+e
eee
0-4,
14,
40,
140,
400,
1400,
4000
volts
full
scale,
Frequency
Response
(5
V
Vange).
.seeeee
+1
db
25
eps
to
1
me
(600
2
source).
ACCULACY.
Coe
cere
eee
eee
rete
eeee
+£5%
full
scale,
Input
Resistance
And
Capacitance,
1
megohm
shunted
by
85
uf
(measured
at
input terminals),
Electronic Ohmmeter-
7
RANGES,
66.
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et
ee
eee
Scale
with
10
Q
center
X1,
X10,
X100,
X1000,
X10K,
X100K,
XIMEG,
Measures
wil
&
to
1000
megohms
with
internal
battery,
Meter,
.......-006
4-1/2",
200
ya
movement,
polystyrene
case,
Probes,
....
Combined
AC-OHMS-DC
switching
probe,
single
jack
input
for
probe
and
ground
connections,
Dividers...
0c
ee
ee
ee
ee
eee
eres
1%
precision
type,
Tubes...
ce cw
ee
weer
errr
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teeters
1
-
12AU7,
twin
triode
meter
bridge,
j
-
6AL5,
twin
diode
AC
rectifier,