LEM Analyst 2050, Manual, Page: 4 / 140

4
2. SPECIFICATION
2.1 Electrical data
(All accuracies stated at 23
°
C ± 1
°
C)
2.1.1 Current measurement
(DC, DCRMS, ACRMS)
Measuring range................... 0 - 2000A DC or AC pk
Autorange facility .................. 40A / 400A / 2000A
Resolution ............................ 10mA in 40A range
100mA in 400A range
1A in 2000A range
Accuracy
RMS and DC
I > 10A .......................... ± 1.5% rdg ± 5 dgts
I < 10A .......................... ± 0.2A
AVE
I > 10A .......................... ± 3% rdg ± 5 dgts
I < 10A .......................... ± 0.5A
Pk
I > 10A .......................... ± 5% rdg ± 5 dgts
I < 10A .......................... ± 0.5A
AHr
I > 10AHr ....................... ± 2% rdg ± 5 dgts
I < 10AHr ....................... ± 0.5AHr
CF (Crest Factor)
1
≤
CF < 3...................... ± 3% rdg ± 5 dgts
3
≤
CF < 5...................... ± 5% rdg ± 5 dgts
Resolution...................... 0.01
RPL (Ripple)
2%
≤
RPL< 100% .......... ± 3% rdg ± 5 dgts
100%
≤
RPL< 600% ...... ± 5% rdg ± 5 dgts
Resolution...................... 0.1%
I
DC
>
5A, I
AC
>
2A
All measurements DC and 10Hz to 1kHz.
Maximum overload 10,000A or
RMS x frequency < 400,000. Amps RMS
is a true RMS measurement (AC + DC)
Harmonics
THD (Total Harmonic Distortion)
1%
≤
THD < 100% ........ ± 3% rdg ± 5 dgts
100%
≤
THD < 600% .... ± 5% rdg ± 5 dgts
Resolution...................... 0.1%