Keithley 177 Instruction Manual page 2

Microvolt dmm, battery pack
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DC VOLTAGE
DC
&
TRMS AC CURRENT
ACCURACY
(12
mo.l
MAXIMUM
MAXIMUM
18"-28«C
ALLOWABLE
RANGE
READING
±i%
rdg
-i-
digits)
INPUT
20mV'
13.9S9
0.04% 4
2d
1200V
momentary*
'
200V'
199.99
0.04%
Id
1200V
momentary"
2V
1.9999
0.03% +
Id
1200V
momentary"
20V
19.999
0.03% +
Id
1200V
200V
199.99
0.03% +
Id
1200V
t200V
1200,0
0.035%
+
Id
1200V
'Front penel
zero
"Momentory"8/socond8/minuto
at
1200V,
450V
continuous.
TEMPERATURE
COEFFICIENT (0°-18°C and
28°-55®C):
±(0.005%
+
0.1 digit)/°C
except
±(0.005%
+
0.6
digitj/^C
on
the
20mV
range
INPUT
RESISTANCE: 10MQ ±
0.5%
NMRR:
Greater than
80dB
on
the
20mV
range
at
50Hz
and
60Hz;
greater
than
60dB
on
ail
other
range
CMRR
(IkO unbalance):
Greater
than
120dB
at
DC, 50Hz
&
60Hz
AC
VOLTAGE
ACCURACY
(12 rno.l
18"-2B»C
±(%
rdg
4-
digits)
MAXIMUM
RANGE
MAXIMUM
READING
DC*
AC
46Hz-'IOkHz
(above 2000
counta)
VOLTAGE
BURDEN
20»V\
19.999
0,2% +
2d
0,02V
200»iA
199.99
0.2% +
Id
0.9% 4
15d
0.2V
2mA
1.9999
0.2%
-(•
Id
0.8% 4l6d
0.2V
20mA
19.999
0.2% +
Id
0.8%
4-
I6d
0.2V
200mA
199.99
0.2% +
Id
0.8%
4-
15d
0.26V
2000mA
1999.9
0.2% +
Id
0.8% 4
15d
o.ev
'Front panel zero
MAXIMUM
INPUT:
2A,
250V
DC
or
rms
(fuse protected)
TEMPERATURE
COEFFICIENT
(0°-18°C and 28°-55°C):
DC:
±(0.2
digits)/°C
except
±(0.01%
+
0.6
digits)/°C
on
20/tA
range.
AC: ±(0.07%
+
2digits)/°C
CREST FACTOR:
3
RANGE
MAXIMUM
READING
ACCURACY
(12
mo.l
(above
2(KX)
counts)
18*-28''C:
lOOHz-IMtHz
±i%
rdg
+
digits)
200mV
199.99
0.5% +
15d
2V
1-9999
0.5% +
15d
20V
19.999
0,5% +
15d
200V
199.99
0.5% +
15d
1000V
1000,0
0.5% +
15d
EXTENDED FREQUENCY
ACCURACY
(45H2-20kHz):
±
(0.7%
+
15
digits)
TEMPERATURE
COEFFICIENT
(0°-18°C
&
28«-55«C; 45Hz
~20kHz): ±(0.05% +
2
digits)/°C
RESPONSE:
True
root
mean
square
CREST
FACTOR:
3
INPUT IMPEDANCE:
KVIH
±1%
shunted by
less
than 75pF.
MAXIMUM
ALLOWABLE
INPUT VOLTAGE:
1000V
rms,
1400V
peak,
10^»Hz
maximum
CMRR
(Ikfl
unbalance):
60dB
at
DC, 50Hz and
60Hz
RESISTANCE
TEMPERATURE
RANGE
MAXIMUM
READING
ACCURACY
(12
mo.)
18"-28"C
±{%
rdg
+
digits!
COEFFICIENT
0»-18°C
&
M°-56°C
±
{%
rdg
+
dlgitsl/'C
NOMINAL
APPLIED
CURRENT
2on*
19.999
0.06%
+
3d
0,004% +
0.6d
1mA
20on*
199.99
0.05%
+
2d
0.004% 4
0.2d
1mA
2kn
1.9999
0.04% +
Id
0.004% 4
0.2d
1mA
20kO
19.999
0,04% +
Id
0,004%
4
0.2d
100(iA
200k0
199.99
0.04% +
Id
0.004% 4
0.2d
lO^A
2000k()
1999.9
0.04% 4
Id
0.005% 4
0.2d
1;xA
20MD
19.999
0.10% +
1d
0,02%
4
0.2d
O.l^iA
'Front panel zero
MAXIMUM
ALLOWABLE
INPUT: 350V
peak
OPEN-CIRCUIT VOLTAGE:
5
volts
GENERAL
DISPLAY:
Five
0.5"
LED
digits,
appropriate decimal point
and
polarity
in-
dication
CONVERSION
PERIOD: 400mS
OVERRANGE
INDICATION:
Display
blinks
all
zeros
above
19999
counts
MAXIMUM
COMMON
MODE
VOLTAGE:
1400V
peak
ANALOG
OUTPUT;
Output
Voltage:
IV
=
10,000 counts
Output
Resistance:
5000Q
ENVIRONMENT:
Operating:
0°C
to 55°c;
0%
to
80%
relative
humidity
up
to
40°
C.
Storage:
25°C
to
+65°C
CONNECTORS:
Input;
Binding posts
Output;
Banana
jacks
POWER:
105-125
or
210-250
volts
(switch
selected),
90-110V
available.
50—
60Hz, 8
watts. Optional
6 hour
battery pack,
Model 1788
DIMENSIONS
WEIGHT: 85mm
high
x
235mm
wide x
275mm
deep
(3%"
X 9'A" X 10%").
Net
weight: 1.7kg
(41b)
ACCESSORIES
AVAILABLE:
Model
1010:
Model
1017:
Model
1301:
Model 1600A:
Model
1641:
Model
1651:
Model
1681:
Model 1682A:
Mode!
1683;
Model
1684:
Mode!
1685:
Model
1691;
Mode!
1779:
Model
1788;
Model
1792:
Model
1793:
Single
Rack Mounting
Kit
Dual
Rack Mounting
Kit
Temperature Probe
High Voltage Probe (40kV)
Kelvin
Test
Leads
50-Ampere
Current
Shunt
Clip-On Test
Lead Set
RF
Probe
Universal
Test
Lead
Kit
Hard
Shell
Carrying
Case
Clamp-On
AC
Probe
General
Purpose Test Lead Set
Spare
Parts
Kit
Rechargeable
Battery
Pack
Isolated
BCD
Output
Isolated
IEEE-488
Output
Specifications subject to
change
without
notice.

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