Contec KT88-3200 - Chapter 1 Introduction; Chapter 2 The main technical index

Chapter # ntrod$ctionChapter # ntrod$ction
The features of digital The features of digital
brain electric activity mapping4brain electric activity mapping4
The digitaThe digita
l brain electrl brain electr
ic activitic activit
y mapping trany mapping tran
sit head bioelesit head bioele
ctricctric
al activital activit
y into mar(edy into mar(ed
intuitionistic image, it becomes an advanced, no wound technical instrument for s(ull sic(ness,intuitionistic image, it becomes an advanced, no wound technical instrument for s(ull sic(ness,
'ualitative analysis for head enginery. Characters for this e'uipment are as 'ualitative analysis for head enginery. Characters for this e'uipment are as
follows4follows4

:elp to bulge and :elp to bulge and
recogni2e ++; partial features.recogni2e ++; partial features.

<ecogni2e the subtle features which was easy to be ignored ago.<ecogni2e the subtle features which was easy to be ignored ago.

:elp to academic communication, especially for the :elp to academic communication, especially for the
amateurs.amateurs.

+valuate the unusual conditions in the traditional ++; and the une9plained situations by eye+valuate the unusual conditions in the traditional ++; and the une9plained situations by eye
measure.measure.
Chapter % The main technical inde&Chapter % The main technical inde&
=.=.
ChanChan
nels4 => nels4 =>
lead +lead +
+;, =? l+;, =? l
ead +Cead +C
;, $% le;, $% le
ad ++; oad ++; o
r userr user
#def#def
ined lined l
ead ++ead ++
;;
%. The normal wor(ing condition%. The normal wor(ing condition
a0 Ta0 T
he ranhe ran
ge of ge of
environment environment
temperature temperature
@@
℃℃
～～
&&
℃℃
b0 b0
<elative <elative
humidity humidity
rangerange
：：
B"@B"@
c0 c0
DoDo
ltagltag
ee
：：
ESF ESF
GC GC
@D@D
d0 Atmospheric pressure ranged0 Atmospheric pressure range
：：
H&&h1aH&&h1a
～～
=&>&h1a=&>&h1a
$. $.
Calibration voltage4 sinusoidCalibration voltage4 sinusoid
al signal @mm 3 @&IDal signal @mm 3 @&ID
6 error4 J @6 error4 J @
. .
Scan speeScan spee
d4 $&mm 3 d4 $&mm 3
s J @s J @
@. @.
Noise lNoise l
evel4 B evel4 B
@ID@ID
>. >.
Common#mode rCommon#mode r
eection ratio4 eection ratio4
K ?&dFK ?&dF
7.7.
7nstruments largest energy#consuming B 7nstruments largest energy#consuming B
%@&D%@&D
AA
8.8.
Faseline drift4 B =mmFaseline drift4 B =mm
9.9.
7nput 7mpedance =&M7nput 7mpedance =&M
=&. =&.
@& :2 inter@& :2 inter
ference suference su
ppression4 K $& dppression4 K $& d
FF
==. ==.
5re'uency Chara5re'uency Chara
cteristics4 7nstrument 7nput &." :2 O $& :2, #$ dF, @&ID sinusoicteristics4 7nstrument 7nput &." :2 O $& :2, #$ dF, @&ID sinusoi
dal ACdal AC
signal should not be distorted.signal should not be distorted.
=%. =%.
<esistance to polari2ation volta<esistance to polari2ation volta
ge4 Add J $&&mD ge4 Add J $&&mD
GC polari2ation voltage deviation isGC polari2ation voltage deviation is
less than J @less than J @
13.13.
1ower4 %%&D J %%D6 @& :2 J = :21ower4 %%&D J %%D6 @& :2 J = :2
14.14.
5use4 AC %%&D6 $A5use4 AC %%&D6 $A
=@=@
．．
Number of channels: 16-channel EEGNumber of channels: 16-channel EEG
16.16.
<egistration Standard Number4 <egistration Standard Number4
P3P!T&=#%&&HP3P!T&=#%&&H
==