Fluke 345 [18/80] Electrical data

345

Users Manual

Specifications

Electrical Data

All accuracies specified at 23 °C ± 1 °C

Temperature coefficient of current ≤ ±0.15 % of rdg per °C

Temperature coefficient of voltage ≤ ±0.15 % of rdg per °C

Current Measurement (DC, DC RMS, AC RMS)

Measuring range................................................. 0 – 2000 A dc, 1400 ac rms

Autorange facility ................................................ 40 A / 400 A / 2000 A

Resolution........................................................... 10 mA in 40 A range

100 mA in 400 A range

1 A in 2000 A range

Accuracy

RMS and DC

I > 10 A ........................................................... ± 1.5 % rdg ± 5 digits

I < 10 A ........................................................... ± 0.2 A

AVE

I > 10 A ........................................................... ± 3 % rdg ± 5 digits

I < 10 A ........................................................... ± 0.5 A

I > 10 A ........................................................... ± 5 % rdg ± 5 digits

I < 10 A ........................................................... ± 0.5 A

AHr

I > 10 AHr ....................................................... ± 2 % rdg ± 5 digits

I < 10 AHr ....................................................... ± 0.5 AHr

CF (Crest Factor)

1.1 ≤ CF < 3.................................................... ± 3 % rdg ± 5 digits

3 ≤ CF < 5....................................................... ± 5 % rdg ± 5 digits

Resolution....................................................... 0.01

RPL (Ripple)

2 % ≤ RPL< 100 % ......................................... ± 3 % rdg ± 5 digits

100 % ≤ RPL< 600 % ..................................... ± 5 % rdg ± 5 digits

Resolution....................................................... 0.1 %

> 5 A, I

> 2 A

All measurements DC and 15 Hz to 1 kHz.

Maximum overload 10,000 A or rms x frequency < 400,000.

Amps rms is a true rms measurement (ac + dc)