AN310-en-GB_V1.5 11/15
2
Introduction
C
ongratulations
on
your
purchase
of
the
Extech
AN310
Vane
Airflow
Anemometer
Psychrometer.
This
instrument
measures
Air
Velocity,
Air
Flow
(volume),
Air
Temperature,
Relative
Humidity,
Wet
Bulb
Temperature,
and
Dew
Point
Temperature.
The
large,
easy
‐
to
‐
read
backlit
LCD
includes
primary
and
secondary
displays
plus
numerous
status
indicators.
The
optional
round
and
square
airflow
cone
allows
for
quick
volume
measurements.
This
meter
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.
CAUTIONS
Improper
use
of
this
meter
can
cause
damage
to
the
meter
and
personal
injury.
Read
and
understand
this
user
manual
before
operating
the
meter.
Inspect
the
condition
of
the
probe
and
the
meter
for
any
damage
before
operating
the
meter.
Repair
or
replace
damage
before
use.
If
the
equipment
is
used
in
a
manner
not
specified
by
the
manufacturer,
the
protection
provided
by
the
equipment
may
be
impaired.
This
device
should
not
be
made
available
to
children.
It
contains
hazardous
objects
as
well
as
small
parts
that
can
be
accidentally
swallowed.
The
meter’s
batteries
and
packing
material
can
also
be
dangerous
to
children.
In
the
event
that
the
meter
is
to
be
unused
for
an
extended
period
of
time,
remove
the
batteries
to
protect
against
battery
leakage.
Expired
or
damaged
batteries
can
be
hazardous
if
allowed
to
come
in
contact
with
skin.
Use
suitable
hand
protection
in
such
cases.
Do
not
short
circuit
batteries
or
put
batteries
in
fire.
