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Table 8. Recommended separation distances between portable and m obile R F

communications equipment, and the PRM / ZWT (continued)

Separation distance according t o frequency of transmitter

Rated maximum

output power of

transmitter

150 kHz to 80 MHz

d=1.2√P

80 MHz to 800

MHz

d=1.2√P

800 MHz to 2.5

GHz

d=2.3√P

10 3.8 3.8 7.3

100 12 12 23

a. The PRM and ZWT are intended for use in an electromagnetic environment in which radiated

RF disturbances are controlled. The cu

stomer or the user can help prevent electromagnetic

interference by maintaining a minimum d istance between portable and mobile R F communications

equipment (transmitters), the PRM, and ZWT as recommended in the table, according to the

maximum output power of the communi

cations equipment.

b. These guidelines may not apply in all situations. Electromagnetic propagation is affected by

absorption and reﬂection from structures, objects, a nd people.

c. For transmitters rated at a maximum o

utput power not listed in the table, the recommended

separation distance d in meters (m) can be estimated using the equation applicable to the

frequency of the transmitter, where P is the maximum output power rating of the transmitter in

watts (W) according to the transmit

ter manufacturer.

d. At 80 MHz and 800 MHz, the separation distance for the higher frequency range applies.

Speciﬁcations

Table 9. PRM Nominal Speciﬁ cation

Characteristic

Nominal

Safety classiﬁcation PRM: Class I.

ECG conn ection: Type BF,

deﬁbrillation-protected.

Telemetry-wand connection: Type C

deﬁbrillation-protected

Ingress protection rating: IPX0

Dimensions

47 cm (18.5 in) deep, 36.8 cm (14.5 in

)

wide, 12.1 cm (4.75 in) high

Weight (app roxima te) 9.8 kg (2 1.5 lb)

Power rating 100–120 V 60 Hz, 220–240 V 50 Hz,

3.8/1.9 A

Power cord

2.4 m (8 ft), 100–240 V. Reliable

grounding is achieved only when

equipment is connected to receptacle

marked with “Hospital only” or “Hospital

grade.”

Duty cycle

Continuous

Operating temperature 10°C to 35°C ( 50°F to 95°F)

Transport and storage temperature

-40°C to 70°C (-40°F to 158°F)

Operating humidity 25% to 90%

1 2 ... 39 40 41 42 43 44 45 46 47 48 49 50 51 52

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