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MODEL 151 ~fICROVOLTMETER
RANGE:
Linear:
0.1 millivolt
full
scale
to 10 volts
on zer*-center
meter.
ILL overLappin,:
ranges
in
lx and 3x steps.
Non Linear:
Five
ranges
of 0.001,
0.01,
0.1,
1.0 and 10 volts
full
scal.c,
eaci1 covering
3 decades.
ACCURACY:
Linear
ranges:
+3% of full
scale
exclusive
OE noise
and drift.
Non-linear
ranges:
?lO% of input
exclusive
of noise
and drift
ZERO DRIFT:
Less than
10 microvolts
per day after
30-minute
warm-up.
INPUT NOISE (with
input
shorted):
Less than 2% of fui.1
scale
on ~11 r;,,r::cs
INPUT RESISTANCE:
10 megohms on all
ranges.
LINK FREQUENCY REJECTION:
2,OOO:l
COMMON MODE REJECTION:
With
l-megohm source
resistance.
dc:5,000,000:1.
l.i~,le rriqut,ncv:
500,000:1.
ISOLATION:
Circuit
ground
to chassis
ground:
Approximately
109 ohins ijllillted
5'; ll.i!L
microfarad.
Circuit
ground
may be floated
up to ?500 volts
dc or ~p~!ak :<i!:il
rcspcc:
KC,
chassis
ground.
RISE TIME (10% to 90%):
Approximately
L second on all
ranges.
OVERVOLTAGE: 200 volts
steady,
400 volts
transient
ZERO ADJUST:
For both
open and short-circuit
inputs.
RECORDER OUTPUT:
Output:
?lO volts
dc at up to 1 milliampere
for
full-scale
meter
deflection.
Resistance:
Less than
50 ohms within
the amplifier
pass band.
Gain on linear
ranges:
10 volts
Range setting
in volts
LINE STABILITY:
A 10% change in
line
voltage
will
cause
less
than a 2,X of full-scale
shift
on all
ranges.
CONNECTORS: Input:
Binding
posts.
output:
Amphenol
80-PC2F.
POWER: LOS-125 or 210-250
volts,
60 cps,
50 watts.
50-cps
models
available.
DIMENSIONS, WEIGHT:
10 inches
high
x 6-l/2
inches
wide x 8-l/2
inches
deep;
net wcighc,
11-l/2
pounds.
I
ACCESSORIES SUPPLIED:
Mating
output
connector.
0166R
II-1
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