TOS9213S/ TOS9213AS
10-3
Ammeter
Meas
u
rement range
0.00 mA to 5.5 mA DC
Display
i = meas
u
red c
u
rrent
Acc
u
racy (*3)
0
μ
A to 2.00 mA: ±(3 % of r5
μ
A)
2.01 mA to 5.50 mA: ±(3 % of 10
μ
A)
Response
Mean-
v
al
u
e responsi
v
e (response time of 200 ms)
Hold f
u
nction
The meas
u
red c
u
rrent at the end of the test is held d
u
ring the PASS period.
Cali
b
ration
Performs cali
b
ration
u
sing the root-mean-sq
u
are
v
al
u
e of a sine
w
a
v
e
w
ith a
p
u
re resisti
v
e load
Selection of LO
W
/GUARD for
the G
N
D (*4)
Selection permitted for c
u
rrent meas
u
rement
b
et
w
een the mode for the G
N
D
point connected to the LO
W
terminal, and the mode
u
sing g
u
ard.
LO
W
Connects the G
N
D point to the LO
W
terminal. Meas
u
res the c
u
rrent flo
w
ing to
the LO
W
terminal (chassis) (for normal operation).
GUARD
Sets the G
N
D point as g
u
ard. Meas
u
res the c
u
rrent flo
w
ing to the LO
W
terminal,
bu
t does not meas
u
re the c
u
rrent flo
w
ing to the chassis (for high-sensiti
v
ity,
high-acc
u
racy meas
u
rements).
J
u
dgement f
u
nction
J
u
dgement method/action
•
The PASS signal is o
u
tp
u
t at the timing preset on PASS HOLD. If HOLD is set, the
PASS signal is o
u
tp
u
t contin
u
o
u
sly
u
ntil the STOP signal is inp
u
t.
•
The UPPER FAIL signal and the LO
W
ER FAIL signal are o
u
tp
u
t contin
u
o
u
sly
u
ntil the
STOP signal is inp
u
t.
•
The FAIL and PASS
bu
zzer
v
ol
u
mes are adj
u
sta
b
le. Ho
w
e
v
er, they cannot
b
e adj
u
sted
indi
v
id
u
ally, as they are set in common.
Setting range for the
u
pper
reference (UPPER)
1 µA to 5.50 mA DC
Setting range for the lo
w
er ref-
erence (LO
W
ER)
1 µA to 5.50 mA DC (
W
ith the LO
W
ER OFF f
u
nction)
J
u
dgement acc
u
racy (*3)
0
μ
A to 2.00 mA: ±(3 % of r5
μ
A)
2.01 mA to 5.50 mA: ±(3 % of 10
μ
A)
C
u
rrent detection method
The a
b
sol
u
te c
u
rrent
v
al
u
es are integrated and compared
w
ith the reference
v
al
u
e.
Response s
w
itching f
u
nction
The c
u
rrent detection response for UPPER FAIL j
u
dgement can
b
e set to FAST/
MID/SLO
W
(*5)
i < 1 mA
1 mA
≤
i < 5.5 mA
μ
A
.
mA
J
u
dgement
J
u
dgement method
Display
B
u
zzer
SIG
N
AL I/O
UPPER
FAIL
W
hen the tester detects a c
u
rrent
exceeding the
u
pper reference, it
c
u
ts off the o
u
tp
u
t and makes an
UPPER FAIL j
u
dgement. Ho
w
-
e
v
er, no j
u
dgement is made
u
ntil
the j
u
dgement
w
ait time (
W
AIT
TIME) has elapsed.
The FAIL LED
lights
u
p.
Displayed on
the LCD
O
N
O
u
tp
u
ts the
U FAIL signal
LO
W
ER
FAIL
W
hen the tester detects a c
u
rrent
b
elo
w
the lo
w
er reference, it c
u
ts
off the o
u
tp
u
t and makes a
LO
W
ER FAIL j
u
dgement. Ho
w
-
e
v
er, no j
u
dgement is made d
u
r-
ing the
v
oltage rise time (RISE
TIME).
The FAIL LED
lights
u
p.
Displayed on
the LCD
O
N
O
u
tp
u
ts the L
FAIL signal
PASS
W
hen the preset time has
elapsed
w
itho
u
t any a
b
normali-
ties, the tester c
u
ts off the o
u
tp
u
t
and makes a PASS j
u
dgement.
The PASS LED
lights
u
p.
Displayed on
the LCD
O
N
O
u
tp
u
ts the
PASS signal
