Unit UT383 Manuale utente
P/N:l10401105962X
UNI-T
UT383
Mini
Light
Meters
Operating
Instruction
1.
Introduction
UT383
is
a
stable,
safe,
reliable
mini
digital
light
meter,
widely
used
in
lightening
enterprises,
agriculture
and
animal
husbandry,
mining
enterprises,
laboratory,
office,
household,
street
lights
construction
and
others.
This
operating
manual
includes
relevant
safety
information
and
warnings.
Please
read
this
manual
carefully
and
observe
all
the
cautions
strictly.
A
Warning:
Before
using
the
product,
please
read
the
operation
safety
rules
carefully.
2.
Out
of
the
Box
Open
the
packing
box
and
take
out
the
meter.
Please
check
carefully
if
any
items
are
missing
or
damaged.
1.
Main
Unit-1
2.
Blister
--1
3.
Operating
manual-1
3.
Operation
Safety
1.
P
lease
check
the
meter
and
the
accessories
before
using
and
beware
of
any
damage
or
abnormal
phenomenon.
If
you
find
the
case
is
damaged
or
the
LCD
shows
nothing,
or
you
consider
that
the
meter
could
not
work
properly
anymore,
please
stop
using
it.
2,Observe
the
operating
instructions
while
measuring.
3.
Do
not
open
the
meter
at
will
or
change
internal
wiring
to
avoid
damages
to
the
meter.
4.
W
hen
the
LCD
displays
“ca”,
replace
the
battery
timely.
Remove
the
battery
if
the
meter
is
not
used
for
a
long
time.
5.
D
o
not
store
or
use
the
meter
in
high
temperature,
high
humidity,
flammable,
combustible,
or
strong
electromagnetic
environment.
6.
P
lease
use
soft
cloth
and
neutral
detergent
to
clean
the
case
for
maintenance.
Do
not
use
grinding
agent
and
solvent
to
avoid
case
corrosion
and
damaging
the
meter.
4.
P
r
oduct
Outlook
1.
Illumination
transducer
2.
Meter
case
3.
LCD
display
4.
Function
keys
®
©
©
©
5.
D
i
s
p
l
a
y
Interface
1
Maximum
measurement
5
Foot
candle
2
Minimum
measurement
6
Lux
3
Data
hold
7
Value*10
or
value*100
4
Low
battery
8
Illumination
value
6.
K
ey
Function
and
Setup
1.
ON/OFF:
Short
press
once
to
start
up;
short
press
again
to
power
off.
Note:
Product's
auto
power
off
feature
can
be
disabled:
Press
and
hold
“HOLD”
and
then
press
“ON/OFF”
key
to
enable/disable
auto
power
off,
LCD
will
display
“APO
OFF”
to
indicate
status.
2.
LUX/FC:
Unit
conversion
key:
Short
press
this
key
to
select
Lux
or
Foot
candles.
3.
MAX/MIN:
Pressing
this
key
can
select
maximum,
minimum
or
normal
value
measurement;
select
maximum
and
the
meter
will
always
show
the
maximum
reading;
select
minimum
and
the
meter
will
always
show
the
minimum
reading.
4.
HOLD/BL:
HOLD:
Short
press
this
key
to
hold
measurement;
short
press
this
key
again
to
exit
data
hold
and
continue
normal
measurement.
BL:
Long
press
this
key
to
turn
on
backlight;
long
press
this
key
again
to
turn
off
backlight.
7.
Technical
Specifications
1.
I
llumination
Function
Range
Resolution
Accuracy
Description
Illumination
0-9999
Lux
1
Lux
±(4%rdg
+
8dgts)
(regulate
in
the
standard
of
2856K
color
temperature
flat
lamp)
Note:
1FC=10.76
Lux
^10000
Lux
10
Lux
±(5%rdg
+
10dgts)
Range
0-199,999
Lux
Auto-ranging
Sampling
Time
0.5s
Refresh
sampling
in
0.5s
Overload
Indication
OL
Shows
“OL”
MAX/M
IN
Measurement
MAX/MIN
Shows
“MAX/MIN”
Data
Hold
HOLD
Shows
“HOLD”
Backlight
BL
Manually
on
and
off
Auto
Power
Off
5mins
Automatically
power
off
after
5mins
without
operation
Low
Battery
3.0-3.5V
Shows
low
battery
prompt
when
power
is
3.0-3.5V
2.
General
Type
a.
LCD:
4
digits
LCD
display.
The
max
display
is
9999
b.
Overload
indication:
When
illumination
is
over
199,999
Lux,
“OL”
will
be
displayed
c.
Battery
low
power
display:
Prompt
“<a”.
New
battery
should
be
replaced
in
time
d.
Sampling
rate:
2/s
e.
Sensor
type:
Silicon
photocell
f.
Impact
strength:
Can
withstand
the
impact
of
landing
from
1
meter
height
g.
Battery
requirement:
1.5V
batteries
(AAA)
*3
h.
Product
size:
160><50x28mm
i.
Weight:
118g
3.
Environment
Specification
a.
Indoor
use
b.
Altitude
height:
2000m
c.
Safety:
EN61326-1
d.
Pollution
level:
2
e.
Working
temperature
and
humidity:
0°C~40°C
(not
greater
than
80%RH)
40°C~50°C
(not
greater
than
45%RH)
f.
Storage
temperature
and
humidity:
-20°C-60°C
(not
greater
than
75%RH)
4.
Electrical
Specifications
a.
Accuracy:
0~9999Lux,
±(4%rdg
+
8dgts)
^
10OOOLux,
±(5%rdg
+
8dgts)
b.
Environment
temperature:
23°C±3°C
c.
Environment
humidity:
^80%RH
5.
General
Maintenance
A
Warning:
please
do
not
open
the
case
of
meter
to
avoid
affecting
device
accuracy
or
damage
to
the
meter.
a.
Maintenance
and
service
of
the
meter
should
be
accomplished
by
professional
personnel
or
designated
maintenance
department.
b.
Clean
the
case
by
dry
cloth
periodically,
detergent
with
abrasive
or
solvent
composition
shall
not
be
used.
6.
B
a
ttery
Installation
and
Replacement
a.
The
meter
uses
3
pieces
of
AAA
1.5V
batteries.
Please
see
figure
below
for
steps
of
battery
installation
and
replacement.
Manufacturer:
Uni-Trend
Technology(China)
Limited
No
6,
Gong
Ye
Bei
1st
Road
Songshan
Lake
National
High-Tech
Industrial
Development
Zone,
Dongguan
City
Guangdong
Province
China
Postal
Code:523
808
Headquarters:
Uni-Trend
Group
Limited
Rm901,
9/F,
Nanyang
Plaza
57
Hung
To
Road
Kwun
Tong
Kowloon,
Hong
Kong
Tel:
(852)
2950
9168
Fax:
(852)
2950
9303
Email:
http://www.uni-trend.com
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