DIODE & BUZZER
Diode:
Testing Voltage about 2.8V, current about 1 mA.
The approximate forward voltage drop in mV
will be displayed.
Buzzer:
The buzzer will sound when the resistance is less
than about 50Ω.
SIGNAL OUTPUT
Signal output:
50 Hz, square wave output
Level output:
3 Vp-p
BATTERY TEST
Range Description Test Condition
1.5 V
The working voltage of the battery The working current is
will be displayed on the LCD
about
20 mA
so that the quality of the battery
9 V
can be judged.
The working current is
about
5 mA
8
DIO
DE
ET
SON
NER
IE
Dio
de:
Ten
sion
d’
ess
ai d
’en
viro
n 2
,8
V, e
t co
uran
t d
’en
viro
n
1 m
A. L
a c
hut
e d
e te
nsio
n a
ppr
oxim
ativ
e (e
n m
V)
ser
a af
fich
ée.
Son
ner
ie:
La
so
nne
rie
se f
ait e
nten
dre
lor
squ
e la
ré
sist
anc
e es
t
moin
s q
ue 5
00
Ω.
Sig
nal
de
so
rtie
:
Sig
nal
de
so
rtie
:
50
Hz
, S
orti
e d
’on
des
ca
rré
es
Niv
eau
de
so
rtie
:
3 V
p-p
ESS
AI D
E L
A P
ILE
Gam
me
D
esc
rip
tio
n
Con
diti
on
d'es
sai
1.5
V
La t
ens
ion
de
se
rvic
e d
e la
pi
le
Le c
our
ant
de s
ervi
ce
s
era
af
fic
hée
su
r l’
écr
an
ACL
est
d’en
viro
n
20
mA
p
our
vis
uali
ser
la
qua
lité
9 V
de l
a p
ile.
Le c
our
ant
de s
ervi
ce
est
d’en
viro
n
5 m
A
8
