YOKOGAWA CQ1, User Manual, Page: 262 / 268

8-6
<8. Specifications>
IM 80J01A01-01E
8.4 Applicable Standards
◆
CE Marking
●
EMC Directives:
This product belongs to Class A which is designed to be used under
industrial environment. If used under household environment, risk of
radio interference could arise, and the user may have to take
appropriate measures.
This product satisfies the requisite minimal immunity level. If being
used under other environment than controlled area, this product may
suffer external influence, and the user may have to take appropriate
measures
EN/IEC 61326-1 Class A, Table 1 (Basic immunity requirements)
Electrical equipment for measurement, control and laboratory use
- EMC requirements - Part 1: General requirements
Performance Criteria
Performance Criteria
※
ESD
IEC 61000-4-2
B
Radiated electromagnetic field
IEC 61000-4-3
A
EFT/Burst
IEC 61000-4-4
B
Surge
IEC 61000-4-5
B
Conducted disturbance
IEC 61000-4-6
A
Power freq. magnetic field
IEC 61000-4-8
A
Voltage dips
IEC 61000-4-11 B (0.5,1cycle 0%)
C (25 cycles 70%)
Short interruptions
IEC 61000-4-11
C
※
Performance Criteria
A: The equipment continues to operate to specification.
B: When the noise is applied, the equipment will go to be fluctuated. However, if the
noise is removed, it continues to operate to specification.
C: When the noise is applied, temporary degradation or less of function is observed
and to recover the normal condition, an operator intervention or system reset is
required.