23
OPERATING MANUAL
TECHNICAL INDEX
•
Accuracy: ±(a% of r b digits)
•
Ambient temperature: 23
°
C ±5
°
C (73.4
°
F ±9
°
F)
•
Relative humidity: <75%
DC VOLTAGE MEASUREMENT
RANGE
RESOLUTION
ACCURACY
600mV
0.1mV
± (0.5%+4)
6V
1mV
± (0.7%+3)
60V
10mV
± (0.7%+3)
600V
100mV
1000V
1V
± (0.7%+10)
!
Input impedance: *mV range >1000MΩ, *other ranges: about 10MΩ.
(The reading might be unstable at mV range when no load is connected, and it becomes
stable once the load is connected, <± 5 digits)
•
Max input voltage: ±1000V
•
Input voltage >1000V: audio/visual alarm
•
Input voltage >1010V: “OL” appears on LCD
AC VOLTAGE MEASUREMENT
RANGE
RESOLUTION
ACCURACY
RANGE
RESOLUTION
ACCURACY
6V
(45~400Hz)
1mV
± (0.8%+5)
6V
(400~1000Hz)
1mV
± (1.0%+8)
60V
(45~400Hz)
10mV
60V
(400~1000Hz)
10mV
± (1.5%+8)
600V
(45~400Hz)
100mV
600V
(400~1000Hz)
100mV
1000V
(45~400Hz)
1V
± (1.0%+10)
1000V
(400~1000Hz)
1V
± (1.8%+12)
!
Input impedance: about 10MQ
•
True RMS display.
•
Frequency response: 45-1KHz
•
Non-sine wave frequency response: 45Hz-400Hz
•
AC crest factor at 3000 counts: allows <3.0
•
AC crest factor at 6000 counts (full range): <1.5