Keithley 6512 Datasheet
MODEL
6512
SPECIFICATIONS
VOLTS
ACCURACY
RANGE RESOLUTION
10
200
mV
2
v
20
v
200
v
'When properly zeroed.
NMRR >80dB on 20OmV,
6oHz
39.1%.
CMRR
>120dB at
INPUT IMPEDANCE:
100
1
10
DC,
pv
pv
mV
mV
AMPS
2
PA
pA
2
nA
2pA
pA
PA
2
mA
mA
properly
RES OLIJTIO N
100
aA
1
fA
10
fA
100
fA
1
PA
10
pA
100
pA
1
nA
10
nA
100
nA
1irA
zeroed
CURRENT:
pA
and
PA,
MMB on nA,
RANGE
20 pA
200
20 nA
200 nA
20
200
20
'When
INPUT BIAS
INPUT VOLTAGE BURDEN: <lmV except 3mV on 20mA range.
PREAMP SETTLING TIME (to
ranges, 5ms on
NMRR >95dB on
COULOMBS
RANGE RESOLUTION
10
2
nC
zooPC
20
nC
'When proprly zeroed.
INPUT BIAS CURRENT: 4fA (5
fC
lWfC
Ipc
M%rdg
MMB
on 2V and
5OHz
or
60%.
>2OUTClin
using recommended warm-up procedure.
parallel with
ACCURACY
f(%rdg
dfA (5 x 1R-A) at 23°C
10%
mA
ranges.
ACCURACY
f(%rdg
x
OHMS
ACCURACY
RANGE LUTION f(%rdg+counts) f(%rdg+counts)PC
2
20m
200
ZM~
20MQ
200Mn
2Gn
20Gn 1MCl
200
'When properly zeroed.
MAXIMUM
PREAMP SETTLING
tance):
Input
100ms;
RESO 18"-280C 00-18~C
kn
100mn
1
w1
GQ
Guard on and <IpF
n
10
n
100
n
1
M
10
M
100
M
10Mn
OPEN CIRCUIT VOLTAGE:
2kn
through 20MCi 15ms; 2OOMSk 15Oms.
2OOGCi
Is.
0.20 + 4
0.15
+
1
0.25 + 1
025+1
025+1
03+1
15
+l
15
+I
15
+1
TIME
(To
0.1%
of
unguarded input capacitance):
(1
18'-280C 0"-180C
+
counts)
0.05
+
5
0.05
+
1
0.05
+
1
o.m+
1
2OV,
(1
180-2Wc
+
counts)
1.6
+66
1.6 + 7
1.6
+
1
0.25+
5
o.z+
1
025+
1
0.15
+
4
0.15
+
1
0.15
+
1
0.15
+
4
0.15
+
1
of
final
value): 25son pA
pA,
and
mA ranges at
(1
180-280
c
+
aunts)
0.4 + 4
0.4
+
1
0.4 + 1
1IFA) at 23°C.
TEMPERATURE
(1
Yr.)* COEFFICIENT TEST
3wV
of final
TEMPERATURE
Yr.)' COEFFICIENT
55dB
2OpF
(<2pF guatded).
Yr.)*
YrP COEFFICIENT
&
0.01
+3
0.01
+
0.01
+
0.02
+
0.02
+
0.02
+
0.04 + 0.3
0.04
+
0.04 + 0.1
L
M%rdg
+
0.004
0.004
0.005
0.007
on 200V range, at
TEMPERATURE
COEFFICIENT
00-18"C & 28=5Ooc
f(%rdg
+
0.15
.0.15
0.15
0.015
0.015
0.015
0.005
0.005
0.006 + 0.1
0.005
0.005
ranges,
5OHz
TEMPERATURE
0=18Oc & 280-5OV2
f(%rdg
+
0.02
\\
0.02
0.M + 0.1
280-5OOC CURRENT
0.3
0.3
0.3
0.3
0.3
0.1
DC.
value with 4OOpF input capad-
Uo
1%
of find vdue with
2-
280-5OOC
countsY"C
+
3
+
0.3
+
0.1
+
0.1
5OHz
auntsY"C
+
8
+
1
+
0.1
+
3
+
0.3
+
0.1
+
3
+
0.3
+3
+
0.3
15m
or
60%
33.1%.
countsYOC
+
3
+03
f1.5%
100
M
100
pA
10
PA
1pA
100
nA
10
nA
1
nA
1
nA
1
nA
lhs;
on
20-
or
nA
IEEE-48S
MULTILINE COMMANDS:
UNILINE COMMANDS:
1NTERFACENNCTIONS:SHl.
PROGRAMMABLE
ADDRESS MODES: TALK
TRIGGER TO READING DONE
BUS IMPLEMENTATION
CO, El.
Zero
Suppress,
Calibration, *lay Format, SRQ Status, Output Format.
EOI, Trigger, Terminator, 100-Reading Storage and Retrieval,
DCL,
LLO,
FC,
FEN,
EOI,
AHl,T5,TEO,U.
PARAMETERS:
ONLY
Function, Range,
and ADDRESSABLE.
350m
SIX,
GET,
SRQ ATN.
typical.
GIZ,
LEO, SRLRLO, PPO,
Zero
UNT,
Check,
UNL,
SPE,
Zero
Dcl,
Correct,
SPD.
DTI,
GENERAL
DISPLAY: 4'kdqit numeric LEDs with appropriate dedmal point and polarity
indication; signed two-digit alphanumeric exponent.
OVERRANGE INDICATION: Display reads "OL".
RANGING Automatic
CONVERSION
DATA STORE and MINIMAX 100-reading store capadty; records data at one of
six
selectable
Also
ing.
while in the
PROGRAMS: Provide front panel access
units
MAXIMUM
on
MAXIMUM COMMON MODE VOLTAGE (DC to
ISOLATION (Inplt LO
INPUT CONNECTOR
OUTPUT CONNECI'ORS: Sway binding
analog
2V
modes. Output impedance
PREAMP
Can
Coulombs modes. Output Impedance:
GAIN ERROR AT
SMALL
100kHZ.
EXTERNAL TRIGGER
plete.
V,
capadtance
HI).
detects and stores maximum and minimum readings continuously
or
sdenti6c notation, and digital calibration.
INPUT:
mA ranges.
outputs.
ANALOG OUTPUT: 2V for
OUTPUT:
be
used
SIGNAL BANDWIDTH AT PREAMP
n
GUARD
is
Input capacitance
tion.
ENVIRONMENT:
to35T. Stonge-25' to +65'C.
WARM-UP: 2
POWER
DIMENSIONS, WEIGHT:
Speafkations
a%,
in.
x
105-125V
15Vk
14.125
in.).
subject to change without notice.
or
manual.
TIME:
330ms.
rates from every reading to 1 reading/hour, or by manual trigger-
Data
Store mode.
25OV
peak
to
chassis):
Three
lug
Rear
panel
BNC
1Oka
Provides a
as
an inverting output
PkAMP
SWIT(3I:
QOpF.
Operating:
hours
to
or 21C-250V (internal switch
Net weight
guard
OUTPUT: Typically Sppm.
TIZ
compatible External Trigger and Electrometer Com-
OFF
position:
ON
position:
is
QpF.
O"-50°C; relative humidity
rated accuracy
127mm
3.2kg
to
IEEE
address,
choice of engineering
DC
to
60Hz
sine wave;
Typically
triaxial
on
rear panel.
posts
for External Trigger and Meter Complete.
full
range input. Inverting
output for Volts and
or
with external feedback in
l00n
Inner
Inner
Use Analog Output COM for Input
shield of
bee
manual for recommended procedure).
high x 216mm wide
(7
lbs.).
6OHz
10IW
in
parallel with 5OOpF.
on
rear
OUTPUT:
shield
of
triax
selected),
10s
per
minute maximum
sine wave):
panel for preamp and
Ohms
hiax
is
Guard
70%
9o-llOV
x
359mm
5OOV
in
Volts and
measuremen!s.
Amps
Typically
is
Input
(follows
LO
non-condensin& up
available;
deep
-3dB
LO,
connec-
(5
in.
peak.
Ohms
and
input
input
x
53
85
at
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