Velleman DVM8090 - Page 7

21.01.2010
7. Ba
c
Working
The Infra
and trans
converts
t
used for
a
Emissivi
t
Emissivit
y
organic o
r
Measurin
g
tape or p
a
reach the
When me
than the
a
Surface
t
When goi
vice vers
a
Distanc
e
The dista
n
spot size
sensor a
n
target, th
target m
u
This mea
n
the targe
t
as the sp
o
8. Ma
i
• Wipe t
h
or solv
9. Ba
t
•
T
o rep
l
• Open t
the se
n
•
T
ake o
AAA b
a
compa
• Slide t
h
c
kground in
f
principle
Red sensor of t
h
mitted by a surf
a
t
his information
i
a
iming purposes.
t
y
y
describes the e
r
oxidized surfac
e
g
shiny or polish
e
a
int to compens
a
surface temper
a
asuring targets
w
a
ctual temperat
u
t
emperature
ng from low tem
a
, the IR sensor
o
e
and spot size
n
ce-to-spot ratio
(measured area
)
n
d the target, e.
g
e Ø of the meas
u
u
st be larger tha
n
n
s that for small
e
t
. For best accur
a
o
t size.
i
ntenance
h
e device regula
r
ents. DO NOT s
u
t
teries
l
ace the batterie
s
he battery cove
r
n
so
r
).
ut the old batter
a
tteries following
rtment.
h
e battery cover
Do not pun
c
batteries in
attempt to
r
Keep batter
DVM80
9
7
f
ormation
h
e unit detects e
n
a
ce. This energy
i
nto a temperatu
nergy-emitting
c
e
s have an emis
s
e
d surfaces will
b
a
te, allow suffici
e
a
ture.
w
ith ε < 0.95, th
e
u
re of the surfac
e
perature to high
o
f the thermom
e
of this thermo
m
)
is approximatel
g
. when the met
e
u
red area (spot
s
n
the spot size t
o
e
r targets, the t
h
a
cy, make sure t
r
ly with a moist,
u
bmerge the de
v
s
, make sure the
r
at the back by
s
ies and replace t
the polarity ma
r
back in place.
c
ture or throw
b
accordance wi
t
r
echarge non-r
e
ies away from
9
0
n
ergy that is emi
is focussed onto
re reading. The
l
c
haracteristics of
s
ivity of ±0.95.
b
e inaccurate. U
s
e
nt time for the t
a
e
display tempe
r
e
.
temperature m
e
e
ter needs a few
m
eter is 2:1. This
y half the distan
c
e
r is held at 10 c
m
s
ize) will be ±5c
m
o
ensure correct
m
h
ermometer mus
t
he target is at l
e
lint-free cloth.
D
v
ice in any liquid
.
device is switch
s
liding it downw
a
hem with 3 new
r
kings inside the
b
atteries in fir
e
t
h local regula
t
e
chargeable b
a
children.
Rev.
0
©Velleman
tted, reflected
a detector that
l
aser beam is on
l
materials. Most
s
e some masking
a
pe or paint to
r
ature is lower
e
asurements or
minutes to adju
s
means that the
c
e between the
m
(±4”) from th
e
m
(±2”). The
m
easurement.
t
be held closer
t
e
ast twice as larg
D
o not use alcoh
o
.
ed off.
a
rds (away from
and identical 1.
5
battery
e
. Dispose of
t
ions. Do not
a
tteries.
0
1
nv
l
y
s
t.
e
t
o
e
o
l
5
V