EXTECH
INSTRUMENTS
2
CO50
‐
en
‐
GB_V1.2
12/14
Introduction
Thank
you
for
selecting
the
Extech
Instruments
Model
CO50,
this
meter
measures
carbon
monoxide
(CO),
air
temperature,
and
humidity.
The
CO50
can
be
used
to
check
indoor
air
quality
and
carbon
monoxide
problem
areas.
This
device
is
shipped
fully
tested
and
calibrated
and,
with
proper
use,
will
provide
years
of
reliable
service.
Please
visit
our
website
(www.extech.com)
to
check
for
the
latest
version
of
this
User
Guide,
Product
Updates,
and
Customer
Support.
Features
Large
four
‐
tiered
LCD
Simultaneously
displays
CO
concentration,
Air
Temperature,
and
Relative
Humidity
with
Date
and
Time
Desktop
style
with
audible
alarm
Latest
smart
measurement
technology
Easy
to
use,
intended
for
indoor
air
quality
monitoring
Bright
multicolor
LED
representing
Recording
(Green),
Alarm
(Red),
Startup
(Orange)
99
data
point
memory
User
adjustable
CO
Alarm
limit
(default
30
ppm)
Max.
reading
utility
Electrochemical
CO
sensor,
measures
up
to
999
ppm
Includes
Universal
AC
adaptor
(100
‐
240V)
for
US,
EU,
UK,
and
AUS
plug
types
IMPORTANT
SAFETY
NOTES
The
CO50
Carbon
Monoxide
Monitor
is
intended
for
general
purpose
Air
Quality
monitoring
only,
and
has
not
been
certified
for
use
pursuant
to
any
state
or
city
safety
Carbon
Monoxide
Alarm
or
Monitoring
requirements.
The
CO50
Carbon
Monoxide
Monitor
has
not
been
tested
by
an
independent
lab
to
comply
with
UL
2034
or
IAS
6
‐
96
standard.
It
is
the
responsibility
of
the
customer
to
obtain
and
apply
current
local,
state,
and
national
regulations
with
regard
to
CO
alarms,
monitoring
and
testing.
