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Topcon TRC-NW8 - Electric Rating; System Classification

Topcon TRC-NW8
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68
SPECIFICATIONS & PERFORMANCE
ELECTRIC RATING
Source voltage : AC100-120V/200-240V 50-60Hz
Power input : NORMAL 100VA MAXIMUM 400VA
SYSTEM CLASSIFICATION
Types of protection against electric shocks: This instrument is classified as Class I
equipment.
Class I equipment does not depend only on basic insulation for protection against electric
shocks, but also provides a means of connection to a protective earth system of facilities so
that metal parts that come into contact do not become conductive while the basic insulation is
in failure.
Degree of protection against electric shocks: Type B applied part
Type B applied part is the applied part complying with the specified requirements of the Stan-
dard IEC 60601-1 to provide protection against electric shock, particularly regarding allowable
LEAKAGE CURRENT.
Recommended separation distance between
portable and mobile RF communications equipment and the TRC-NW8
The TRC-NW8 is intended for use in an electromagnetic environment in which radiated RF dis-
turbances are controlled. The customer or the user of the TRC-NW8 can help prevent electro-
magnetic interference by maintaining a minimum distance between portable and mobile RF
communications equipment (transmitters) and the TRC-NW8 as recommended below, according
to the maximum output power of the communications equipment.
Rated maximum
output power of
transmitter
W
Separation distance according to frequency of transmitter
m
150kHz to 80MHz 80MHz to 800MHz 800MHz to 2.5GHz
0.01 0.12 0.12 0.23
0.1 0.38 0.38 0.73
1 1.2 1.2 2.3
10 3.8 3.8 7.3
100 12 12 23
For transmitters rated at a maximum output power not listed above, the recommended separa-
tion 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 transmitter manufacturer.
NOTE 1 At 80 MHz and 800 MHz, the separation distance for 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.
d 1.2 P= d 1.2 P= d 2.3 P=

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