Datron 4708 User Handbook Manual page 76

RESISTANCE
(OPTION
30)
Accuracy
(2-wire or 4-wire sense)
Range
(1)
Stability
24 hour
±(ppm
OUTPUT+
ppm
FS)
(1)(2)
* Accuracy
Relative
to Calibration
Standards
±(ppm
OUTPUT
+
ppm
FS)(2)
Calibration
Uncertainty
(ppm)
Temperature
Coeff.
(±ppm
OUTPUT/°C)
13"C- 18°C
28°C
-
33°C
Specified
Current
(Is)
Maximum
Current
(Im)
Additional
Uncertainty
for
Is<I<Im
(ppm)
24
hour
23
''C
+
rC
90 days
23°C±1°C
1
year
23°C
±
5°C
lo.oooooon
2 4
10 25 10 6
10mA 100mA
(lOx
102).P
loo.ooooon
1
1.5 3 9 5
2
10mA 25mA
(8.5 x 103).F
1
.OOOOOOOk
1
1.5
3
9 5
2
1mA
10mA
(8.5 X 10^).F
lO.OOOOOOk
1
1.5 3 9 4
2
lOOpA 2.5mA
(8.5 X 10*).F
100.00000k
1
1.5
3 10 6
2
lOOpA
1mA
(8.5
X 10®).F
1.0000000M
2 4 10 25 12 6 lOpA lOOpA (lOx
10^).F
10.000000M
2 10 25 50
17 10 IpA lOpA (15x
10»).P
100.00000M
3 15 30 70
50 20 IpA lOpA (15x
10«).F
*
For 2-Wire Sensing: 24 hours
stability
24
hours accuracy
90 days
accuracy
}
add
±0.1
Q
1
years accuracy add ±0.2Q
Notes:
(1)
Range
figures are nominal,
actual calibrated
values are
displayed.
(2)
FS
=
2 X
Range.
Other
Specifications
Connection
Selectable 2 or 4-wire connection
to resistors.
2-wire displayed value includes
internal
lead resistance.
Guarding
Selectable
remote
or
local
guard connection.
Protection
All
resistors fuse-protected
to
max
applied voltage
of
120V RMS.
6-12