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a: Field strengths from fixed transmitters, such as base stations for radio
(cellular / cordless) telephones and land mobile 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, and electromagnetic site survey should be considered. If the
measured field strength in the location in which The Handheld Pulse Oximeter
is used exceeds the applicable RF compliance level above, The Handheld
Pulse Oximeter should be observed to verify normal operation. If abnormal
performance is observed, additional measures may be necessary, such as
re-orienting or relocating The Handheld Pulse Oximeter.
b: Over the frequency range 150 kHz to 80 MHz, field strengths should be
less than 3V/m.
Table 4
Frequency Range and Level: RF wireless communication equipment
Test Frequen-
cy (MHz)
385
450
710
745
780
810
870
930
1720
1845
1970
2450
5240
5500
5785
ATTENTION:
If necessary to achieve the IMMUNITY TEST LEVEL, the distance between
the transmitting antenna and the ME EQUIPMENT or ME SYSTEM may be
reduced to 1 m. The 1 m test distance is permitted by IEC 61000-4-3.
III EMC Compliance - ENGLISH
Modulation
**Pulse Modulation: 18 Hz
*FM + 5 Hz deviation: 1 kHz sine
**Pulse Modulation: 18 Hz
**Pulse Modulation: 217 Hz
**Pulse Modulation: 18 Hz
**Pulse Modulation: 217 Hz
**Pulse Modulation: 217 Hz
**Pulse Modulation: 217 Hz
Minimum
immunity
immunity
Level Ap-
Level (V/m)
plied (V/m)
27
27
28
28
9
9
28
28
28
28
28
28
9
9
152
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