NJU9214 NJR Corporation, NJU9214 Datasheet - Page 11

• Manufacturer Part Number: NJU9214
• Description: 4·3/4 Digit Single Chip Digital Multimeter Lsi
• Manufacturer: NJR Corporation

The R
cannot change to these ranges.
range. When overflow occurs in 400mV of the auto-range, its range changes to 4V range automatically.
Measurement Mode
RANGE
( NOTE ) Frequency measurement and Tacho are always set to the auto-range.
( NOTE ) The "
(2-2-2) Range setting ( Push type switch : KMS = " L ", RMS = " X " )
Capacitance ( C )
Changing to DC400mV range or AC400mV range is available by only manual operation. Auto-range operation
When the auto-range is switched in DC400mV or AC400mV range, measurement is continued in the 400mV
Resistance (
Continuity (
Frequency ( f )
R
R
R
R
R
R
When the switch is pressed once, the range is changed from auto to manual, and it’s range is held.
than 1 second, the range always returns to Auto-range is possible from any range statuses.
Tacho ( rpm )
1
Diode (
The range setting shown in below table is available with the " RANGE " switch.
Then, the range is changed in every time by the switch operation. When the switch is pressed over
1
2
3
4
5
6
to R
D C mA
A C mA
D C V
A C V
A D P
D C A
A C A
6
Ranges of continuity test (
always fixed to their default ranges.
Just after power-on operation or changing mode, their ranges are set to the default range.
In the ADP measurement, 3 units are displayed by setting of RC1 to RC3 terminals.
of above range control table are set a range corresponding to below table.
400mV
4000V
400V
DCV
40V
4V
–
)
)
)
" mark means the default range.
400mA
R
R
R
R
R
R
R
R
4000V
400V
ACV
40V
1
1
2
2
1
1
1
1
4V
–
to R
to R
to R
to R
to R
to R
to R
to R
1push(>1sec)
Auto
5
5
3
3
6
5
3
6
1push(<1sec)
400mA
DCmA
40mA
→HOLD
→HOLD
–
–
–
–
), diode check (
Manual
400mA
ACmA
40mA
Ri→Ri+1 (R
Ri→Ri+1 (R
1push(<1sec)
–
–
–
–
Auto – range
FIXED
4000k
(R
(R
(R
(R
), ADP, DCA and ACA measurements are
Range up
400k
40M
6
40k
400
4k
→R
5
5
3
3
6
→R
→R
→R
→R
→R
1
)
1
1
2
2
1
)
)
)
)
)
1000kHz
1000Hz
100kHz
10kHz
6000rpm to 600krpm
100Hz
100Hz to 999.9kHz
400mV to 4000V
400mV to 4000V
–
40mA to 400mA
40mA to 400mA
f
400Ω to 40MΩ
Range Control
4nF to 400uF
60000
600k
rpm
6000
–
–
–
NJU9214
6000rpm
Default
400mV
Range
100Hz
40mA
40mA
400
400
400nF
400uF
40nF
40uF
40A
40A
4nF
4uF
4V
4V
4V
4nF
C