Fluke 345 FE 345 Users Manual - Page 18

Specifications, Electrical Data

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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 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 % IDC > 5 A, IAC > 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) 4

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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)