DANIU QY-EWQ-01 매뉴얼 - 페이지 13

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Recommended isolation distance between portable and mobile RF communication devices and infrared forehead

thermometers

Infrared forehead thermometers are intended for use in electromagnetic environments where radiated RF

disturbances are controlled. According to the maximum output power of the communication equipment. Purchasers

or users of infrared forehead thermometers can prevent electromagnetic interference by maintaining a minimum

distance between portable and mobile RF communication equipment (transmitters) and infrared forehead

thermometers as recommended below.

Transmitter's

rated

maximum output power

/ w

0.01

0.1

100

For the rated maximum output power of the transmitters not listed in the table above, the recommended isolation

distance d, in meters (m), can be determined using the formula in the corresponding transmitter frequency column,

where p is the emission provided by the transmitter manufacturer Machine maximum output power in watts (w).

Note 1: At 80MHz and 800MHz frequencies, the higher frequency range formula is used.

NOTE 2 These guidelines may not be suitable for all situations. Electromagnetic propagation is affected by

absorption and reflection from buildings, objects and people.

16.Symbol Description

Symbol graphics

Isolation distance for different frequencies of the transmitter / m

150kHz—80MHz

d=1.2

Not applicable

Meaning

Note, refer to the attached file

Low voltage alert

Trash

150kHz—80MHz

d=1.2

0.12

0.38

1.2

3.8

Symbol graphics

(

13 / 16

150kHz—80MHz

d=2.3

0.23

0.73

2.3

7.3

2.3

Meaning

Reference instructions

BF type application part