SW1002_user_manual_chi_20191017H.pdf - 第147页
143 11.3 = + …
142
SW9002 4
:SYSTem:MODule:COUNt?
90
Relay 1 Relay 22
(SW9002)
Relay
1
Relay
1
Relay
2
Relay
2
Relay
3
Relay
3
Relay
4
Relay
4
Relay
5
Relay
5
Relay
6
Relay
6
Relay
17
Relay
18
Relay
19
Relay
20
Relay
21
Relay
22
Relay
10
Relay
9
Relay
13
Relay
12
Relay
11
Relay
14
Relay
14
143
11.3
= +
•
SW9001
133
•
SW9002
139
1 BT3562
SW9001
BT3562
Ω
V3 m
Ω
6 V SLOW
1 m
Ω
4 V
= BT3562 + SW9001BT3562 3 m
Ω
= (
0.5% rdg. 10 dgt.) + (0.1% f.s.)
= (
0.5% 1 m
Ω
+ 0.0010 m
Ω
) + {(0.1% 3.1000 m
Ω
)}
= (
0.0060 m
Ω
) + (0.0031 m
Ω
)
=
0.0091 m
Ω
= BT3562 + SW9001BT3562 V
= (
0.01% rdg. 3 dgt.) + (5 µV)
= (
0.01% 4 V 0.00003 V) + (5 µV)
= (
0.00043 V) + (5 µV)
=
0.000435 V
11
144
2 BT4560
SW9002
BT4560 RX3 m
Ω
1000 Hz SLOW
R 1 m
Ω
X 0 m
Ω
R = BT4560 R + SW9002 BT4560 3 m
Ω
R
= {
(0.004 |R| + 0.0052 |X|) 8 dgt.} + (0.1% f.s.)
= {
(0.004 1 m
Ω
+ 0.0052 0 m
Ω
) 0.0008 m
Ω
} + {(0.1% 3.0000 m
Ω
)}
= (
0.0048 m
Ω
) + (0.0030 m
Ω
)
=
0.0078 m
Ω
X = BT4560 X + SW9002 BT4560 3 m
Ω
X
= {
(0.004 |X| + 0.0052 |R|) 8 dgt.} + (1.0% f.s.)
= {
(0.004 0 m
Ω
+ 0.0052 1 m
Ω
) 0.0008 m
Ω
} + {(1.0% 3.0000 m
Ω
)}
= (
0.0052 m
Ω
) + (0.0300 m
Ω
)
=
0.0352 m
Ω
3 DM7276
SW9001
DM7276 V100 mV MEDIUM
100 mV
= DM7276 + SW9001DM7276 V
= (
0.0015% rdg. 2 µV) + (7 µV)
= (
0.0015% 100 mV 2 µV) + (7 µV)
= (
0.0035 mV) + (7 µV)
=
0.0105 mV