User Notice
The OI-315 should be used
in
the
r
ange of
the
applicab
le
t
e
mperatur
e
,
humidity
and
pr
ess
ur
e
that
ar
e
listed in the
Specifications section of this operation manual
.
U
sing
the
device
bey
ond
thi
s
r
ange
may
cause the device to malfunction.
Gas
conc
e
ntr
a
t
ion meas
ur
e
m
e
nt
s
by
the
sens
or ca
n v
ary accor
ding
to
the
envi
r
onme
nt
(t
e
mperatur
e
,
pr
ess
ure
and
humi
di
ty). Ther
ef
or
e, cali
brat
ion of
the
OI-315 s
ho
uld
be
per
f
orm
ed
in
the
same
(or
si
mi
l
ar)
envi
r
onme
nt
of the device’s actual use.
If the temperature changes sharply during use of the instrument (e.g., indoo
rs
vs.
ou
t
do
ors), the
value of
the
meas
ur
ed gas
conc
e
ntrat
ion
can
suddenl
y change.
Please use the
OI-315 af
t
e
r
the
gas
conc
e
ntrat
ion value has s
tabil
ized
.
Seve
r
e vi
brat
ion
or
s
hock
to
the
device
may
cau
se
a
sudden reading change.
Pl
ease use
the
OI-315
af
t
e
r
the
value of gas
conc
e
ntrat
ion has s
tabil
ized
.
Excessive s
hock
to
the
OI-315
can
cause the device and/or sensor to malfunction.
Approval Label Notes
CE marking: Electromagnetic Compatibility
(Directive 89/336/EEC)
Explosion Protection
(Directive 94/9/EEC)
KS marking: Korean Gas Safety for
Explosion Protection
This device is intended to be used in hazardous
area Zone 0 within a temperature range of
-20 C to +50 C, where gases of explosion
group IIC and temperature class T4 may be
present.
S/N: Serial Number
K -GA2BO-
--20C≤Ta≤+50C
nin Onl as in insi saf f use
in dous l ion ead manual i
use
NKO Ltd
oad Oes o Oes -don
Osan- yeonggi- - Sou K ea
S/N:
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