Datron 4708 User Handbook Manual page 74

AC CURRENT
(OPTION
30)
Frequency
Stability
(Hz)
24 Hour
±(ppfn
OUTPUT
+ppmFS)(1)(2)
10 -1k 50 + 20
Ik
-5k 70 + 30
10 -Ik 30 + 10
Ik
-5k 40 + 10
10 -Ik 30
+ 10
Ik- 5k
40 + 10
10-
Ik
30
+ 10
Ik
-5k
40
+ 10
10 -Ik 50
+ 20
Ik
-5k 70
+
30
Notes:
(1)
For
same
conditions
between 18°C and
28°C.
(2)
FS =
2 X Range.
(3)
Typical
above
1A.
(4)
Predominantly second harmonic
(negligible error
on
mean
sensing equipment).
(5)
For Frequency
Range
or
Output
Range
changes,
Function
changes,
OFF/ON
changes,
and
Frequency
changes
between
31
and
32Hz: the
Settling
times are doubled.
•
In
remote operation
via
the
IEEE 488
Interface,
hardware
switching
occurs under the
control of
*H'
(Frequency) codes.
Any
transfer
(up or
down) between
the undermentioned frequencies
must be regarded as a
frequency
range change.
Settling
Time
should be allowed as
for
Other
Specifications'.
31 -32 Hz 300 -301 Hz 3.00 -3.01Hz
•
For
settling to
lOppm
of
Step
Size, multiply
all
times
by
1
.5.
(6)
Assumes
similar
load time constant
to
that at calibration.
(7)
Specifications
valid for
compliance < 0.5Vrms. For > 0.5Vrms
add
the following:
lOOpA
Range, lOHz-lkHz:
50ppm FS
1kHz-5kHz:
500ppm FS
1mA
to
1A Ranges, lOHz-lkHz:
lOppm FS
1kHz-5kHz:
50ppm FS
Range
lOO.OOOOpA
1.000000mA
10.00000mA
100.0000mA
1.000000A(3)
Accuracy
Relative to Calibration
Standards
±
(ppmOUTPUT
+
ppm
FS)
(2)
24 hour
23'c±
rc
90
days
23*c±
rc
1
year
23'C±
5'C
120 +
30
250
+
40(6)
70 + 30
120 +
30
70 + 30
120 + 30
70 + 30
120 + 30
250 + 30
400 +
40(6)
150
+
50
300
+
70(6)
100 + 50
200 + 50
100 + 50
200 + 50
100 + 50
200 + 50
300 + 50
450
+
70(6)
6-10