Velleman DVM1200, Руководство пользователя, Страница: 8 / 74

DV
•
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VM1200
Frequency
The meter c
To measure
1. Set th
2. Read
3. To m
4. Read
5. Set th
6. Conn
7. Conn
8. At fre
again
9. Read
NOTE: In a
Temperatu
To measure
1. Set th
2. Insert
3. Touc
4. Read
Current Me
The meter's
To measure
1. Turn
2. Set th
3. Press
4. Conn
600m
5. Break
conne
readin
6. Turn
the rig
situat
Do
and
To
250
To
sur
To
cur
To
term
a ci
and Duty C
can measure
e frequency:
he rotary swi
d the displaye
ake a duty cy
d the displaye
he rotary swi
nect the black
nect the test l
equency mea
n to return to
d the displaye
noisy enviro
re Measurem
e temperature
he rotary swi
t the “K” type
h the object w
d the LCD.
easurement
s ranges are
e current:
off the powe
he rotary swi
s
SELECT to
nect the black
mA. For a ma
k the circuit p
ect the red te
ng, but will no
on the powe
ght side of th
tion and a hig
not measur
d/or damage
avoid electr
0VAC RMS b
avoid electr
rface exceed
avoid dama
rrent measu
avoid dama
minals, func
ircuit or com
ycle Measur
frequency o
tch to the de
ed frequency
ycle measure
ed duty cycle
tch to the Hz
k and red tes
eads in para
asurement sta
the enter fre
ed value.
onment, use a
ment
e:
tch to °C ran
e thermocoup
with the therm
600.0µA, 60.
er of the meas
tch to the pro
o select the D
k test lead to
ximum of 10A
path to be tes
est lead to the
ot damage th
er of the meas
he display (µA
gher range h
re the freque
e to the instr
rical shock a
between the
rical shock,
d 60VDC or 2
age to the me
rement whe
age to the me
ction and ran
mponent wh
rement
r duty cycle w
sired functio
y of the AC si
ement, press
e.
z range.
st leads to the
allel to the cir
atus, press H
quency mea
a shielded ca
nge. The LCD
ples into the
mocouple pro
.00µA, 600.0
sured circuit.
oper range.
DCA or ACA
the COM ter
A, move the
sted. Connec
e more positiv
he meter).
sured circuit
A, mA or A).
as to be sele
ency on high
rument.
and/or dama
°C terminal
do not use t
24VAC rms.
eter or injur
ere the open
eter, check t
nge for your
en the leads
- 8 -
while making
n (AC voltag
gnal.
s Hz/DUTY a
e COM and H
cuit being me
Hz/DUTY to e
surement sta
able for meas
D will show th
multi-function
obe for meas
0mA, 6.000A
. Discharge a
measuring m
rminal and th
red test lead
ct the black te
ve side of the
and read the
When only t
ected.
h voltage (>
age to the in
l and the CO
this instrum
ry in case of
-circuit pote
the meter’s
r measurem
s are plugge
g either an AC
e or AC curre
gain.
Hz terminals
easured. Do
enter the duty
atus.
suring small s
he current en
n socket. Tak
surement.
and 10.00A.
all the high-vo
mode.
he red test le
d to the A term
est lead to the
e break (rever
e display. Be
he figure “
OL
1,000V) to a
nstrument, d
OM terminal.
ment when vo
f a fuse blow
ential to eart
fuse before
ent. Never p
ed into the c
C voltage or
ent) and pres
respectively.
not touch an
y cycle meas
signals.
nvironment te
ke care to ob
oltage capac
ad to the mA
minal.
e more negat
rsing the lead
sure to note
L
” is displayed
void electric
do not apply
.
oltages at th
w, never atte
th is higher
proceeding
place the tes
current term
AC current m
ss Hz/DUTY .
.
ny electrical c
surement sta
emperature.
bserve the co
citors.
A terminal for
tive side of th
ds will give a
e the measure
d, it indicates
cal shock ha
more than 2
he measurem
empt an in-c
than 250V.
g. Use the pr
st leads in p
inals.
VELLEM
measuremen
.
conductors.
tus. Press
orrect polarity
r a maximum
he break;
negative
ement units a
s over range
azard
250VDC or
ment
ircuit
roper
arallel with
MAN
t.
y.
of
at