User manual
6 Technical data
93
Fig. 42. Basic uncertainty multiplier M as a function of ambient temperature.
6.4.3 Voltage
Voltage
Range and conditions
Resolution
Basic uncertainty
U
RMS
(AC+DC)
10% U
nom
≤ U
RMS
≤ 150% U
nom
for U
nom
≥ 64 V
0.01% U
nom
0.1% U
nom
Crest Factor
1..10
(1..1.65 for 690 V voltage)
for U
RMS
≥ 10% U
nom
0.01
5%
6.4.4 Current
Current
Range and condi-
tions
Resolution
Basic uncertainty
I
RMS
(AC+DC)
Input path without clamps
0..1 V (0..3.6 V
p-p
)
0.01% I
nom
0.1% I
nom
Flexible clamps F-1/F-2/F-3
0..3000 A
(±10 kA
p-p
)
0.01% I
nom
Additional uncertainty
1%
(2% taking into account additional
error due to the position)
Hard clamps C-4
0..1000 A
(±3600 A
p-p
)
0.01% I
nom
Additional uncertainty
0.1..10 A: (3% + 0.1 A)
10 A: 3%
50 A: 1.5%
200 A: 0.75%
1000..1200 A: 0.5%
Hard clamps C-5
0..1000 A
(±3600 A
p-p
)
0.01% I
nom
Additional uncertainty
0.5..100 A: ≤ (1.5% + 1 A)
100..800 A: ≤ 2.5%
800..1000 A AC: ≤ 4%
800..1400 A DC: ≤ 4%
Hard clamps C-6
0..10 A
(±36 A
p-p
)
0.01% I
nom
Additional uncertainty
0.01..0.1 A: (3% + 1 mA)
0.1..1 A: 2.5%
1..12 A: 1%