Velleman LAB2U Three-In-One Lab Unit, OscilliScope, Function Generator and Power

Description

O
scil
l
o
sc
o
p
e,
F
un
c
t
i
o
n
g
e
n
e
r
a
t
o
r
a
n
d
P
o
w
er
s
upp
l
y
in
on
e.
T
h
is
un
i
qu
e
un
it
i
n
cl
ud
es
a
Di
g
i
t
al
O
scill
o
sc
op
e,
a
Di
g
i
t
al
fun
c
t
i
o
n
g
e
n
e
r
a
to
r
a
n
d
a
s
i
mp
le
bu
t
e
a
s
y
t
o
u
se
po
w
er s
upp
l
y
.
T
h
e
3
un
i
t
s
a
r
e
e
l
ec
t
r
i
c
al
l
y
se
p
a
r
a
t
ed
f
o
r
e
ase
o
f
m
e
as
u
r
e
m
e
nt
.
M
eas
u
r
i
n
g
a
n
d
t
es
t
i
n
g
j
u
st
b
eca
m
e
e
asi
e
r
a
n
d
m
o
r
e
a
ffo
r
d
a
b
l
e
th
an
e
ver
!
1M
Hz
F
un
c
ti
o
n
g
e
n
e
r
a
tor
DDS
t
y
p
e
g
e
n
e
r
a
t
o
r
(
D
i
re
c
t
Di
g
i
t
a
l
S
y
nt
he
si
s
)
D
A
C
re
s
o
l
u
t
i
o
n
:
1
0
b
i
t
s
F
r
eq
u
en
c
y
r
a
n
ge
:
f
r
o
m
1
H
z
t
o
1
.
0
00
.
0
0
0
H
z
(
±
0
.
01
%
)
F
r
eq
u
en
c
y
s
t
ep
s:
1
H
z,
1
0
H
z
,
1
0
0
H
z
,
1k
Hz
a
n
d
10
k
H
z
W
a
v
e
f
or
m
s:
si
n
e
,
s
q
u
a
r
e
a
n
d
t
r
i
a
n
g
le
S
w
e
e
p
f
u
n
cti
o
n
w
i
t
h
b
i
-d
i
re
c
ti
o
n
o
p
ti
o
n
O
u
t
p
u
t
v
o
l
t
ag
e
:
1
5
V
p
p
ma
x
i
m
u
m
R
ea
l
ou
t
pu
t
l
e
v
e
l
m
ea
s
u
r
e
m
en
t
:
d
B
m
/
V
r
m
s
o
r
V
p
p
r
e
a
d
ou
t
(
±
3
%
)
T
y
p
i
c
a
l
s
i
n
e
w
a
ve
d
is
t
or
t
i
o
n
(
T
HD
)
:
<
0,
1
%
@
0
d
B
/
6
0
0
o
h
m
S
qu
a
r
e
w
a
v
e
r
i
s
e
/
f
a
ll
ti
m
e
:
0
,
2µ
s
t
y
p
.
O
u
t
p
u
t
i
mp
e
d
an
c
e
:
5
0
O
h
m
Mu
lt
i
-
l
a
n
g
ua
g
e
me
n
u
(
E
n
g
/
F
r
e
/
D
u
t
/
Ge
/
E
s
)
L
E
D
b
a
c
k
li
gh
t
I
n
t
he
bo
x
:
L
AB
-
2
un
it
Oscill
o
s
c
o
p
e
p
r
o
b
e
RCA
a
d
ap
t
o
r
Ma
n
ua
l
A
C
c
o
r
d
P
o
w
e
r
s
u
pp
l
y
:
1
1
5
o
r
2
3
0
V
a
c
/
2
0
V
A
P
o
w
e
r
s
upp
l
y
V
o
lt
a
g
e
ou
t
pu
t
(
f
i
x
e
d
v
o
l
t
ag
e
s
)
:
3
V
,
5
V
,
6
V
,
9
V
,
12
V (
±
5
%
)
P
ea
k
ou
t
pu
t
c
u
rr
e
n
t:
1
A
L
E
D
O
u
t
p
u
t
o
v
e
r
l
o
a
d
i
n
d
ic
a
t
o
r
L
E
D
O
u
t
p
u
t
O
N
i
n
d
ic
a
t
o
r
O
u
t
p
u
t
ON/
O
F
F
s
w
i
t
ch
O
sc
illo
s
c
ope
40M
S
/s
B
an
d
w
i
d
t
h
:
Up
to
1
0
M
H
z
±
3
d
B
a
t
s
e
l
e
ct
e
d
V
/
d
iv
I
n
p
u
t
r
a
n
ge
:
1
m
V
to
20
V
/
d
ivis
i
o
n
i
n
1
4
st
ep
s
I
n
p
u
t
c
oup
l
i
ng
:
DC,
A
C
a
n
d
GND
S
a
m
p
le
r
a
t
e
u
p
to
40
M
S
/s
A
D
re
s
o
l
u
t
i
on
:
8
b
its
T
i
m
e
ba
s
e
:
2
5
0
n
s
t
o
1
h
p
e
r
d
ivis
i
o
n
A
u
to
s
e
t
-
u
p
f
u
n
cti
o
n
P
ro
b
e
X
1
0
r
e
a
d
o
u
t
o
p
ti
o
n
R
ea
d
o
u
ts:
D
C
,
A
C+DC,
T
r
u
e
R
M
S
,
d
B
m
,
V
pp
,
M
i
n-
M
a
x
.
(
±
2
.
5
%
)
A
ud
io
p
o
w
e
r
m
ea
s
ure
m
en
t
i
n
2 to
3
2
o
h
m
M
a
x
1
0
0
V
p
A
C
+
DC
(
i
n
p
u
t
6
0
0
V
p
u
si
n
g
X
1
0
p
ro
b
e
)
S
t
an
d
a
r
d
1
M
O
h
m
60
M
H
z
x
1 -
x
1
0
p
r
o
b
e
(
i
n
c
l
ud
e
d
)
L
E
D
b
a
c
k
li
gh
t