Fluke 345 - Specifications; Electrical Data; Current Measurement

345
Users Manual
4
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
Pk
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 %
I
DC
> 5 A, I
AC
> 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)