Fluke 1664 FC - Earth Resistance and Test Current Specs

1662/1663/1664 FC
Users Manual
88
Operating Ranges and Uncertainties per EN 61557
Function Display Range
EN 61557
Measurement
Range Operating
Uncertainty
Nominal Values
V
EN 61557-1
0.0 V ac – 500 V ac
50 V ac – 500 V ac
±(2 % + 2 dgt)
U
N
= 230/400 V ac
f = 50/60 Hz
R
LO
EN 61557-4
0.00 Ω - 2000 Ω
0.2 Ω - 2000 Ω
±(10 % + 2 dgt)
4.0 V dc <U
Q
<24 V dc
R
LO
≤2.00 Ω I
N
≥200 mA
R
ISO
EN 61557-2
0.00 MΩ - 1000 MΩ
1 MΩ - 200 MΩ
±(10 % + 2 dgt)
200 MΩ - 1000 MΩ
±(15 % + 2 dgt)
U
N
= 50 / 100 / 250 / 500 /
1000 V dc
I
N
= 1.0 mA
Z
I
EN 61557-3
Z
I
(No Trip)
0.00 Ω - 2000 Ω
0.4 Ω - 2000 Ω
±(15
% + 6 dgt)
U
N
= 230/400 V ac
f = 50/60 Hz
I
K
= 0 A – 10.0 kA
Z
I
(Hi Current)
0.00 Ω - 2000 Ω
0.2 Ω - 200 Ω
±(10 % + 4 dgt)
Z
I
(Hi Current, Hi Res)
0 mΩ - 9999 mΩ
100 mΩ - 9999 mΩ
±(8 % + 20 dgt)
R
E
0.00 Ω - 2000 Ω
10 Ω - 1000 Ω
±(10 % + 2 dgt)
Δ
T, I
ΔN
EN 61557-6
Δ
T
0.0 ms – 2000 ms
25 ms – 2000 ms
±(10 % + 1 dgt)
Δ
T @ 10 / 30 / 100 / 300 / 500
/
1000 / Var mA
I
ΔN
3 mA – 550 mA
(VAR 3 mA – 700 mA)
3 mA – 550 mA
± (10 % + 1 dgt)
I
ΔN
= 10 / 30 / 100 / 300 /
500 / Var mA
R
E
EN 61557-5
0.0 Ω - 2000 Ω
10 Ω - 2000 Ω
±(10 % + 2 dgt)
f = 128 Hz
Phase
EN 61557-7
1 : 2 : 3
Note: dgt = digits