CMM-60
– USER MANUAL
68
14 Technical data
14.1 Basic data
"m.v." means a standard measured value.
DC voltage measurement
Range
Resolution
Basic
uncertainty
50,000 mV
1
0.001 mV
(0,05% m.v. + 20 digits)
500.00 mV
1
0.01 mV
(0.025% m.v. + 5 digits)
5,0000 V
0,0001 V
50,000 V
0,001 V
500,00 V
0,01 V
(0.05% m.v. + 5 digits)
1000,0 V
0.1 V
(0.1% m.v. + 5 digits)
1
Use
REL
mode to compensate offsets
Internal impedance >10 M
Ω VDC
Overload protection: 1000 V DC/AC RMS
True RMS (TRMS) voltage measurement
Range
Resolution
Basic uncertainty
50,000 mV
1
0.001 mV
f = 50/60 Hz
(0.3% m.v. + 25 digits)
f < 1 kHz
(0.5% m.v. + 25 digits)
f < 5 kHz
(3% m.v. + 25 digits)
500.00 mV
1
0.01 mV
5,0000 V
0,0001 V
50,000 V
0,001 V
500,00 V
0,01 V
1000,0 V
0.1 V
Frequency range 50...10 000 Hz
All AC voltage ranges are specified from 5% to 100% of the range
Internal impedance >10 M
Ω VDC
Overload protection: 1000 V DC/AC RMS
Measurement of AC+DC voltage
Range
Resolution
Basic uncertainty
50,000 mV
0.001 mV
f < 1 Hz:
(1% m.v. + 25 digits)
f < 10 kHz
(3.5% m.v. + 25 digits)
500.00 mV
0.01 mV
5,0000 V
0,0001 V
1
50,000 V
0,001 V
500,00 V
0,01 V
1000,0 V
0.1 V
1
Over f = 5 kHz - additional error of 1%
DC measurement
Range
Resolution
Basic uncertainty
500.00
μA
0.01
μA
(0.1% m.v. + 20 digits)
5000.0
μA
0.1
μA
50,000 mA
0.001 mA
500.00 mA
0.01 mA
(0.15% m.v. + 20 digits)
10,000 A
0.001 A
(0.3% m.v. + 20 digits)
20 A for max. 30 sec. at reduced accuracy
Summary of Contents for CMM-60
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