Velleman DVM1000 - Manual (Page 7)

09
No
7.
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No
o
o
o
o
o
7.
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7.
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7.
Th
con
con
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.03.2010
otes:
• Never pe
complete
• Measurin
from the
4 Resista
Do not
Connect th
Set the rota
possible ran
Connect the
The measur
otes:
o Never per
discharge
o To increas
together t
of the circ
o For resista
o Should th
show “1”.
o In the 200
100M Ω, th
5 Battery
Do not
Connect the
Set the rota
Connect the
The measur
6 Testing
Remove
Remove the
Remove the
Set the rota
Connect the
Make sure t
Press the “T
When a bad
7 Testing
Do not
Remove
e network ca
nnected acco
nductors (4x
Remove the
Remove the
Set the rota
Connect on
Connect the
Press the “T
The display
repeatedly
erform conti
ely discharg
ng diodes th
e circuit.
ance mea
perform re
he red test le
ary switch to
nge and lowe
e test probes
red value ap
rform resista
d.
se accuracy
to determine
cuit.
ance measur
e measured
0MΩ range,
he reading is
y testing
perform batt
e black test
ary selector
e black test
red voltage
g telepho
e the test pr
e test leads
e RJ11/RJ45
ary switch to
e end of the
the other en
TEST” button
d or open lin
g network
perform net
e the test pr
able test is s
ording to EIA
x balanced tw
e test leads
e RJ11/RJ45
ary switch to
e end of the
e other end
TEST” button
y shows an o
will scroll th
nuity or diod
ed.
at are part o
asuremen
esistance m
ead to the "V
o the desired
er to the app
s to the circu
ppears on the
ance measur
when measu
e the resista
rements abo
resistance e
subtract 10
101.0MΩ. T
(BAT)
tery tests on
lead to the C
at the “BAT”
lead to the n
is shown on
nominal volt
test load
one lines
obes when p
from the inp
5 protection c
o “RJ11”.
telephone li
nd of the tele
n.
ne is detecte
k cables
twork cable t
robes when p
suitable for t
A/TIA-568-B
wisted pair),
from the inp
5 protection c
o “RJ45”.
e network ca
of the netwo
n.
overview of a
rough detail
DVM
de measurem
of a circuit m
nts
measureme
VΩ" jack and
d "Ω” range.
propriate ran
uit/compone
e display.
rements on a
uring low res
nce value of
ove 1MΩ the
exceed the s
units from t
The correct va
n batteries c
COM jack an
” range that
negative pol
the display.
tage
performing t
put jacks.
cover (2 scre
ine to the RJ
ephone line i
d, the messa
tests on live
performing n
testing netw
B standards
, shielded or
put jacks.
cover (2 scre
ble to the RJ
ork cable wit
all test result
led informat
1000
7
ments on a l
might produc
nts on live
d the black le
When the r
nge.
ent under tes
a live circuit
sistance valu
f the test lea
e meter need
selected rang
the measure
alue is 101.0
connected to
nd the red te
matches the
e and the re
.
1.5V
27Ω
telephone lin
ews).
J11-connecto
is connected
age “FAULT”
e circuits!
network cab
work connect
prescription
r unshielded
ews).
J45-connect
th the “CAB
ts for the ne
ion per cond
live circuit a
ce faulty res
circuits.
ead to the "C
ange is unkn
st.
and make s
ues, first hol
ads. Subtract
ds a few seco
ge or in case
ed result. E.g
0MΩ – 1.0MΩ
a circuit.
est lead to th
e nominal vo
ed test lead t
6V
68Ω
ne tests!
or of the DV
d to a PABX.
” appears on
le tests!
ions up to 1
T568A and
with a chara
tor of the DV
LE REMOTE
etwork cable
ductor pair.
nd make sur
ults. Conside
COM" jack.
nown, alway
sure all capac
d the tips of
t this value f
onds to stab
e of an open
g. when mea
Ω = 100.0MΩ
he VΩ jack.
oltage of the
to the positiv
9V
100Ω
VM1000.
n the display
0m with mo
T568B for n
acteristic im
VM1000.
E” unit.
. Pressing th
re all capacit
er disconnec
ys select the
citors are co
f the measur
from the me
bilize the rea
circuit, the
asuring a res
Ω.
e battery.
ve pole of th
.
dular 8P8C c
etwork cabli
pedance of
he “TEST” bu
Rev
©Velleman
tors are
cting them
highest
ompletely
ring probes
easured valu
d-out.
display will
sistance of
he battery.
connectors a
ing with 8
100Ω.
utton
v. 01
n nv
e
and