Instructions for Use
Diffustik / Variant PFTstik
Serial no.: xx|8|401|yyy and 2401xxxxx
Page 94
Version: 8 | Release date: 16. August 2021
12.4.3
Interference Resistance for Non-Life-Supporting ME Systems
Guideline and Manufacturer Declaration
Guidelines and manufacturer’s declaration – electromagnetic interference immunity
The Diffustik is determined for operation in an electromagnetic environment as specified below.
The user / operator of the Diffustik should ensure that it is operated in this environment.
Measurement of
interference
immunity
IEC 60601 -level
Compliance level
Electromagnetic enviroment -
Guidline
Portable and mobile RF
communication devices should not
be used at a shorter distance from
the Diffustik as the recommended
safety distance calculated
according to the equation
applicable to the transmission
frequency.
Recommended safety
distance:
Conducted HF-
distrubance
variable
IEC 61000-4-6
3 V
Effective value
150 kHz to
80 MHz
𝑈𝑈
1
= 3 V
𝑑𝑑
=
�
3
.
5
𝑈𝑈
1
� √𝑃𝑃
6 V
Effective value
ISM-frequency
bands:
𝑈𝑈
2
= 6 V
𝑑𝑑
=
�
6
𝑈𝑈
2
� √𝑃𝑃
6.765 MHz to
6.795 MHz
13.553 MHz to
13.567 MHz
26.957 MHz to
27.283 MHz
40.66 MHz to
40.70 MHz
Amateur Radio
frequency bands:
1.8 MHz to
2.0 MHz
3.5 MHz to
4.0 MHz
5.3 MHz to
5.4 MHz
