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6. Use
Refer to t
he illustrations o
• Remov
ve the sensor cov
device
and sliding the c
• Press t
he
-button to
automa
atically after ±2
• Press t
he Unit button t
(rotatio
ons per second) a
• Press a
and hold the Unit
and ho
ld again for ±2s
• Press a
and hold the
Switch
on the rotating d
To avo
id multiple reflec
marker
r but under an an
10 and
40cm (4" ~ 15"
Note:
when the display
w
m
measuring range
• Release
e the
• When t
the
-button is
• Press t
he Func. button
previou
us session [B].
• Press t
he Func. button
the pre
evious session [C
• Press t
he Func. button
rotating
g device contains
reflecti
ve blades, set to
Range
from 1 ~ 9. Afte
exit.
Note:
fo
or a normal meas
m
must be set to 1.
• When t
the battery indica
• Alway
ys place the senso
7.
Ope
eration tips
• Do not
t measure outsid
LCD) a
nd do not measu
technic
cal specifications
• Make s
sure the device is
measu
rements.
• Remov
ve the batteries w
8.
Mai
intenance
• Wipe th
he device regular
or solv
ents. DO NOT su
21.01.2010
DVM803
on pages 2 and 3
ver [1] by releas
cover upwards.
switch the device
minutes of inacti
to switch from rp
and back.
t button for ±2s
to switch it off.
-b
button. The senso
device and aim t
ctions, do not aim
ngle of ±30°. Bes
").
shows OL, the m
(see §10: techni
-button t
to end the measu
not pressed the d
to show the max
again to show th
C].
again to set the
s (e.g. when mea
o 5). Use the
er 9, value return
surement with 1
ator [F] is shown
or cover [1] bac
de of the operatin
ure in places with
for more details
s at ambient tem
when the device i
rly with a moist,
ubmerge the dev
30
3 of this manual.
ing the screw at
e on. The device
vity.
m (rotations per
to switch on the
or [2] produces
he beam at the r
m the beam perpe
st measuring dist
measured value is
cal specifications
uring session.
device is in hold-
ximum measured
he minimum mea
number of reflec
asuring the speed
-b
button to increas
ns to 1. Press the
reflective marke
n, replace the ba
k when the devic
ng range ('OL' is
h high humidity.
.
perature for accu
s not used for a
lint-free cloth. D
vice in any liquid.
6
Rev. 0
the back of the
will switch off
minute) to rps
backlight. Press
a red laser-beam
reflective marker
endicular to the
tance is between
s outside of the
s)
-mode [A].
d value of the
asured value of
cting surfaces the
d of a fan with 5
se the value.
e Func. button to
r, the number
tteries (see §9).
ce is not in use.
displayed on the
Refer to the
urate
long time.
Do not use alcoho
.
©Velleman
01
m.
r.
n
e
o
e
ol
nv
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