B&K Precision 2658A - Manual - Manual (Page 60)

54
EMI standards (selected)
Frequency Quasi Peak Average
CISPR22 class A
Limits of conducted disturbance at
mains ports 0.15 MHz to 0.50 MHz
0.50 MHz to 30 MHz 79 dBuV
73 dBuV
CISPR22 class B
Limits of conducted disturbance at
mains ports 0.15 MHz to 0.50 MHz
0.50 MHz to 5 MHz
5 MHz to 30 MHz 66 to 56 dBuV
56 dBuV
60 dBuV 56 to 46 dBuV
46 dBuV
50 dBuV Decreasing linearly with the logarithm of the
frequency
CISPR22 class A
Limits of radiated disturbance 30 MHz to 230 MHz
230 MHz to 1000 MHz
1000 MHz to 3000 MHz
3000 MHz to 6000 MHz 40 dBuV/m
47 dBuV/m
76 dBuV/m
80 dBuV/m ---
---
56 dBuV/m
60 dBuV/m Measurement distance 10 m
CISPR22 class B
Limits of radiated disturbance 30 MHz to 230 MHz
230 MHz to 1000 MHz
1000 MHz to 3000 MHz
3000 MHz to 6000 MHz 30 dBuV/m
37 dBuV/m
70 dBuV/m
74 dBuV/m ---
---
50 dBuV/m
54 dBuV/m Measurement distance 10 m
VCCI class A
Limits of conducted disturbance at
mains ports 0.15 MHz to 0.50 MHz
0.50 MHz to 30 MHz 79 dBuV
73 dBuV 66 dBuV
60 dBuV
VCCI class B
Limits of conducted disturbance at
mains ports 0.15 MHz to 0.50 MHz
0.50 MHz to 5 MHz
5 MHz to 30 MHz 66 to 56 dBuV
56 dBuV
60 dBuV 56 to 46 dBuV
46 dBuV
50 dBuV Decreasing linearly with the logarithm of the
frequency.
VCCI class A
Limits of radiated disturbance 30 MHz to 230 MHz
230 MHz to 1000 MHz 40 dBuV/m
47 dBuV/m ---
--- Measurement distance 10 m
1000 MHz to 3000 MHz
3000 MHz to 6000 MHz 76 dBuV/m
80 dBuV/m 56 dBuV/m
60 dBuV/m Measurement distance 3 m
VCCI class B
Limits of radiated disturbance 30 MHz ~ 230 MHz
230 MHz ~ 1000 MHz 30 dBuV/m
37 dBuV/m ---
--- Measurement distance 10 m
1000 MHz to 3000 MHz
3000 MHz to 6000 MHz 70 dBuV/m
74 dBuV/m 50 dBuV/m
54 dBuV/m Measurement distance 3 m
FCC part15 subpartB class A
Limits of conducted disturbance at
mains ports 0.15 MHz to 0.50 MHz
0.50 MHz to 30 MHz 79 dBuV
73 dBuV 66 dBuV
60 dBuV
FCC part15 subpartB class B
Limits of conducted disturbance at
mains ports 0.15 MHz to 0.50 MHz
0.50 MHz to 5 MHz
5 MHz to 30 MHz 66 to 56 dBuV
56 dBuV
60 dBuV 56 to 46 dBuV
46 dBuV
50 dBuV Decreasing linearly with the logarithm of the
frequency.
FCC part15 subpartB class A
Limits of radiated disturbance 30 MHz to 88 MHz
88 MHz to 216 MHz
216 MHz to 960 MHz
over 960 MHz 39.1 dBuV/m
43.5 dBuV/m
46.4 dBuV/m
49.5 dBuV/m ---
---
---
--- Measurement distance 10 m
FCC part15 subpartB class B
Limits of radiated disturbance 30 MHz to 88 MHz
88 MHz to 216 MHz
216 MHz to 960 MHz
over 960 MHz 40 dBuV/m
43.5 dBuV/m
46 dBuV/m
54 dBuV/m ---
---
---
--- Measurement distance 3 m
(Note: Information provided in this table serves as a reference only. B&K Precision is not liable for any damages due to any mistakes in the table.)
21. Screen Control
When is pushed, the following function menu is displayed. DSPL