UV505-en-GB_V1.0 12/17
2
Introduction
Thank
you
for
selecting
the
Extech
Model
UV505
UV
‐
AB
Light
Meter.
This
device
measures
UV
‐
AB
ultraviolet
light
in
the
wavelength
range
of
290~390nm.
This
device
is
shipped
fully
tested
and
calibrated
and,
with
proper
use,
will
provide
years
of
reliable
service.
Please
visit
our
website
Features
Professional,
high
quality
UV
meter
Measures
ultra
‐
violet
irradiation
Wavelength
range
290
nm
to
390
nm
Two
measurement
ranges
for
greater
accuracy
(0~3999
µW/cm
2
/
0~39.99
mW/cm
2
)
Auto
power
off
after
15
minutes
Lightweight,
ergonomic
design
General
Safety
Please
read
the
entire
User
Manual
before
operating
this
device.
Use
the
meter
only
as
specified
and
do
not
attempt
to
service
or
open
the
meter
housing.
Do
not
allow
children
to
handle
the
meter
or
the
protective
cover.
Please
dispose
of
batteries
and
meter
responsibly
and
in
accordance
with
all
applicable
laws
and
regulations
.
To
prevent
damage
to
this
precision
device,
do
not
attempt
measurements
outside
of
the
ranges
specified
in
this
manual
Do
not
use
this
meter
in
direct
sunlight
or
any
place
where
it
is
excessively
hot
and/or
humid
Do
not
submerse
the
meter
in
liquid
UV
Safety
Information
Use
extreme
caution
when
using
this
meter
to
test
an
ultraviolet
light
source.
Exposure
to
UV
radiation
can
be
hazardous
depending
on
the
exposure
time,
intensity
of
radiation,
wavelength
and
an
individual’s
sensitivity
to
ultraviolet.
Meter
Description
1.
Light
Sensor
(protective
cover
not
shown)
2.
LCD
3.
Backlight
button
4.
Zero
button
5.
Power
ON
‐
OFF
button
6.
Unit
of
measure
toggle
button
7.
Display
Data
Hold
button
Note:
Battery
compartment
and
tripod
mount
are
located
on
the
back
of
the
meter
1
2
3
4
6
7
5
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.com
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