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SPECIFICATIONS
SPECIFICATIONS
MODEL 615
AS A VOLTMETER:
RANGE:
100
millivolts
full scale
(100
microvolts.
least sig
nificant
digit)
to 100 volts in four decade
ranires.
ACCURACY:
+0.290
of reading
+1 digit on all ranges exclu.
sive of noise and drift.
ZERO DRIFT: Less than 1 millivolt
in the first hour or subse-
quent
24.hour
periods
after l.hour warmup.
Less than
150 mliCrOYOlt* pm "C.
NOISE: * 1 digit with input shorted
on most sensitive
range.
INPUT
IMPEDANCE:
Greater
the"
10"
phms
shunted
by
35 picofarads.
Input
resistance
may aIs0 be selected
in
decade steps from 10 to 10" ohms.
NMRR: Greater
than 60 d8 on the most sensitive
range de.
creasing
to 40 dB on the
lOOwIt
range at
line frequency.
AS AN AMMETER:
RANGE:
lo-'2
ampere
full
scale (1O-L5 ampere,
least
sig.
nificant
digit)
to 0.1 ampere
in 12 decade
ranges.
ACCURACY:
b-0.5%
of reading,
-tl
digit
on 0.1 to l@'
ampere
ranges using optimum
sensitivity
control
setting;
*2%
of reading
*I
digit 0n l@a and lo-3 ampere
ranges
and 14%
of reading
*1
digit
on
1O-Lo to lo.'1 ampere
ranges exclusive
of noise and zer0 drift.
NOISE:
f-4
digits
with
input
open and shielded
on most
sewitive
range.
OFFSET CURRENT:
Less than 5 x IO-l5 ampere
AS AN OHMMETER:
RANGE:
10,000
ohms full scale
(10
ohms.
least significant
digit)
to
10" ohms
in
eleven
decade
ranges.
ACCURACY:
&0.5%
of reading.
hl
digit on
10' to lOa ohm
ranges
using optimum
sensitivity
control
setting;
*4%
of
reading
+
1
digit from
109 to 10'"
ohms exclusive
pf noise
and zero drift.
AS A COULOMEMETER:
RANGE:
10."
coulomb full sca1e (lo-"
coulomb.
least
significant
digit)
to 10'5coulomb
in seven decade
ranges.
ACCURACY:
+5%
of reading
3~2 digits
on all ranges.
Drift
due ta offset
c"rrent
does not exceed 5 x lO-'I
coulambs,
secpnd.
GENERAL:
DISPLAY:
4 digits
from 0000 to
1999 on 0.1, 1.0,
and 10.0
sensftlwty
settings;
from 0000 to 999 on the 100.0 sensi-
tivity
setting.
POLARfTV
SELECTION
& OVERLOAD
INDICATION:
Auto-
matic.
OVERRANGING:
lOO%overrangingon
all ranges exceptwhen
"Sing Se"sltl"lty
setting
of 100.0.
DISPLAY
RATE: 24 readings
per second
maximum
(20 per
second
on 50 Hz models);
adjustable
to tw,
readings
per minute.
PRfNTER OUTPUTS
AND OUTPUT
CONTROLS:
Model 4401
accessory
provides
BCD output
and external
cpntmls.
ISOLATION:
Circuit
ground
to chassis
ground:
Greater
than
IO6 ohms Shunted
by 0.2 microfarad.
Circuit
ground
may
be floated
up to
100 volts
with respect
to chassis
ground.
CMRR:
For high
open-circuit
CMRR.
residual
unshielded
capmtance
between
input high and chassis ground
is less
than 0.1 picofarad.
ANALOG
OUTPUTS:
Unity gain: At dc. Output is equal to input within
100 ppm.
exclusive
of noise
and zero drift.
for Output
currents
of
100
microamperes
or fess.
1 mA: fl
milliampere
at up to 1 volt for full scale input,
100%
overrange
capability
except
on
100.0
sensitivity
setting.
1 V: *l
volt at
up to 0.1 microampere
for full scale input.
100%
pverfange
capability
except
M
100.0
sensitivity
setting.
CONNECTORS:
Input:
Tefkxvinsulated
triaxial.
Analog
wt.
puts: Unity Gain: Binding
Ppsts.
1
mA; Switchcraft
Nl13B.
1V; Amphenol
80 PC 2F. Printer
output
&controls:
50.pin
Amphenol
Micro-Ribbon.
DIMENSIONS,
WEIGHT:
5%" high
x
19"
wide
Y 10" deep
(132 x 433 x 280 mm);
net weight.
20 pounds
(9.1 kg).
POWER: 105.125
or 210.250
volts (switch
selected),
60 HZ:
50 Hz models
available.
35 watts.
ACCESSORIES
SUPPLIED:
Made1 6011
Input
Cable:
30" triaxiel
cable
with triaxial
connector
and 3 alligator
clips.
ii
0372R
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