Operator's Manual

Appendix C: EMC Information
0000679 | 18.12.2020 DC-Air™ Operator’s Manual 25 | 30
VDI specs per 3
rd
edition:
<5% UT (>95% dip in UT) for 0,5 cycle
40% UT (60% dip in UT) for 5 cycles
70% UT (30% dip in UT) for 25 cycles
<5% UT (>95% dip in UT) for 5 s
Power Frequency (50/60
Hz) Magnetic Field
IEC 61000-4-8
Not applicable
Not applicable
-
(*) Computer used with the DC-Air™ sensor system must meet this rating.
Guidance and Manufacturer’s Declaration – ELECTROMAGNETIC IMMUNITY (IEC 60601-1-2)
The DC-Air™ sensor system is intended for use in the electromagnetic environment specified below. The customer or the user of
the DC-Air™ sensor system should assure that it is used in such an environment.
IMMUNITY TEST
IEC 60601 TEST LEVEL
COMPLIANCE
LEVEL
ELECTROMAGNETIC ENVIRONMENT - GUIDANCE
Conducted RF
IEC 61000-4-6
AC Mains:
3 V, 0.15 MHz – 80 MHz
6 V in ISM band between
0.15 MHz and 80 MHz
80% AM at 1 kHz
SIP/SOPS:
3 V, 0.15 MHz – 80 MHz
6 V in ISM band between
0.15 MHz and 80 MHz
80% AM at 1 kHz
Complies (*)
Radiated RF
IEC 61000-4-3 Ed.
3.0 (with A1:2007 +
A2:2010)
3 V/m
80 MHz to 2,7 GHz
80% AM at 1 kHz
Complies (*)
Portable and mobile RF communications equipment should
be used no closer to any part of the DC-Air™ sensor than
the recommended separation distance calculated from the
equation applicable to the frequency of the transmitter.
Recommended separation distance:
150 kHz to 80 MHz
𝑑 =
(
3.5
𝑉
1
)
𝑃
80 MHz to 800 MHz
𝑑 =
(
3.5
𝐸
1
)
𝑃
800 MHz to 2.5 GHz
𝑑 =
(
7
𝐸
1
)
𝑃
where P is the maximum output power rating of the
transmitter in watts (W) according to the transmitter
manufacturer and d is the recommended separation
distance in meters (m).
𝑉
1
= 3𝑉
𝑟𝑚𝑠
𝐸
1
= 3
V
m
Field strengths from fixed RF transmitters, as determined
by an electromagnetic site survey
a
should be less than the
compliance level in each frequency range.
b
Interference may occur in the vicinity of equipment
marked with the following symbol:
NOTE 1: These guidelines may not apply in all situations. Electromagnetic propagation is affected by absorption and reflection from
structures, objects, and people.
The ISM (Industrial, Scientific, and Medical) bands between 0,15 MHz and 80 MHz are 6,765 MHz to 6,795 MHz; 13,553 MHz to
13,567 MHz; 26,957 MHz to 27,283 MHz; and 40,66 MHz to 40,70 MHz. The amateur radio bands between 0,15 MHz and 80 MHz
are 1,8 MHz to 2,0 MHz, 3,5 MHz to 4,0 MHz, 5,3 MHz to 5,4 MHz, 7 MHz to 7,3 MHz, 10,1 MHz to 10,15 MHz, 14 MHz to 14,2