Fluke 5790B, Руководство по обслуживанию

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5790B
Service Manual
3-44
Step No.
579
0B
Ra
nge
T
est
Vo
ltag
e (V)
Fre
que
nc
y
90 Da
y
Absolute AC Error
Sp
ec.
(
±
ppm)
1 Yr.
Absolute AC Error
Sp
ec.
(
±
ppm)
Measu
re
d
Absolute AC Error
(PPM)
2 Yr AC-DC Error Spec.
(
±
ppm)
Measu
re
d
AC-DC
Error (PPM)
139 220 200.0 1 kHz 29 31 23
140 220 200.0 20 kHz 29 31 23
141 220 200.0 50 kHz 67 69 63
142 220 200.0 100 kHz 96 98 No spec
143 700 600.0 40 Hz 39 41 36
144 700 600.0 1 kHz 39 41 36
145 700 600.0 20 kHz 39 41 36
146 700 600.0 50 kHz 120 130 No spec
147 700 600.0 100 kHz 400 500 No spec
148 1000 1000.0 100 Hz 37 38 33
149 1000 1000.0 1 kHz 37 38 33
150 1000 1000.0 20 kHz 37 38 33
151 1000 1000.0 30 kHz 120 130 No spec
152 1000 600.0 40 Hz 37 38 33
153 1000 600.0 50 kHz 120 130 No spec
154 1000 600.0 100 kHz 400 500 No spec
Table 3-14a. Main Input Frequency Verification
Step
No.
5790B
Range
Voltage
(V) [1]
Test
Frequency
1-Year
Frequency
Spec
Measured
Frequency
Error
1 2.2 2 10 Hz .01 Hz
2 2.2 2 1 kHz .0003 kHz
3 2.2 2 1 MHz .0003 MHz
[1] Apply the test voltage into the Product (INPUT 1 or INPUT 2) from the 5730A and monitor using the
Tektronix FCA3000 counter. The “Measured Error” is the deviation of the Product from the counter.