Guidance and Manufacturer’s Declaration: Electromagnetic immunity
The excel HR is intended for use in the electromagnetic environment specified below. The customer or
the user of the excel HR should ensure 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
Radiated RF
IEC 61000-4-3
3 Vrms
150kHz to
80 MHz
3V/m
80MHz to
2.5 GHz
3 V
3 V/m
Portable and mobile RF communications
equipment should be used no closer to any
part of the system console, including its
cables, than the recommended separation
distance calculated from the equation
applicable to the frequency of the transmitter.
Recommended Separation Distance
d = 1.17
√
P
d = 1.17
√
P 80MHz to 800MHz
d = 2.33
√
P 800MHz to 2.5GHz
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).
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: At 80 MHz and 800 MHz, the higher frequency range applies.
NOTE 2: These guidelines may not apply in all situations. Electromagnetic propagation is affected by
absorption and reflection from structures, objects, and people.
(a) Field strengths from fixed transmitters, such as base stations for radio (cellular/cordless) telephones
and land mobiles radios, amateur radio, AM and FM radio broadcast, and TV broadcast, cannot be
predicted theoretically with accuracy. To assess the electromagnetic environment due to fixed RF
transmitters, an electromagnetic site survey should be considered,. If the measured field strength in the
location in which the excel HR laser system is used exceeds the applicable RF compliance level above,
the system should be observed to verify normal operation. If abnormal performance is observed,
additional measures may be necessary, such as reorienting or relocating the system console.
(b) Over the frequency range 150 kHz to 80 MHz, field strengths should be less than 3V/m.
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EXCEL HR OPERATOR MANUAL
D1796, REV. D, 12/16
Содержание Excel HR
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