12
IM CL155
5. Specifications
■
Instrument Specifications
●
Measuring Ranges and Accuracy (at 23
±
5
℃
, 45 to 75% relative humidity)
AC Current 400A, 2000A
Ranges
Measuring
range
Resolution
Accuracy (frequency range)
Maximum
Measurement
Time
400A
0 to 400.0A
0.1A
±
1.0% rdg
±
3dgt (50/60Hz) *1
±
2.0% rdg
±
3dgt (40 to 1kHz)
Continuous
2000A
0 to 1000A
1A
±
1.0% rdg
±
3dgt (50/60Hz) *1
±
3.0% rdg
±
3dgt (40 to 1kHz)
1000 to 1500A
15min.
1500 to 2000A
±
3.0% rdg (50/60Hz)
5min.
Conversion method : AC coupled, true rms responding, calibrated to the rms
*1 : 400A range : 5 to 100% of range , 2000A range : 200A to 2000A
AC Voltage ( V) Auto-ranging
Range
Measuring range
Resolution
Accuracy
40V
0 to 40.00V
0.01V
±
1.0% rdg
±
2dgt (50/60Hz)
±
1.5% rdg
±
3dgt (40 to 1kHz)
400V
15.0 to 400.0V
0.1V
750V
150 to 750V
1V
Conversion method : AC coupled, true rms responding, calibrated to the rms
Initially set to the 40V range. Input impedance is about 1M
Ω
.
DC Voltage ( V) Auto-ranging
Range
Measuring range Resolution
Accuracy
40V
0 to
±
40.00V
0.01V
±
1.0% rdg
±
2dgt
400V
15.0 to
±
400.0V
0.1V
1000V
150 to
±
1000V
1V
Initially set to the 40V range. Input impedance is about 1M
Ω
.
Resistance (Auto-ranging)
Range
Measuring range
Resolution Accuracy
400
Ω
0 to 400.0
Ω
0.1
Ω
±
1.5% rdg
±
2dgt
4k
Ω
0.150 to 4.000k
Ω
1
Ω
40k
Ω
1.50 to
±
40.00k
Ω
10
Ω
400k
Ω
15.0 to
±
400.0k
Ω
100
Ω
Initially set to the 400
Ω
range. In the continuity check mode, fixed to the 400
Ω
range
and when the reading is not more than . 50
±
35
Ω
, the buzzer beeps.