LEM Analyst 2050 - 2. SPECIFICATION; 2.1 Electrical Data: Current Measurement

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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

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%

> 5A, I

> 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%

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