METREL Instaltest 61557 MI 2087, Instruction Manual

Page: 65 / 68

MI 2087 Instaltest 61557 Technical specification
64
Calculation .......................................... R
L
= Uc / I
∆
N
Measurement principle.........without auxiliary probe
Test current ................................................< 0.5 I
∆ N
RCD – Trip-out time
Test current ........................ 0.5 I
∆ N
, I
∆ N
, 2 I
∆ N
, 5 I
∆ N
(multiplier 5 is not available, if I
∆
N
= 1000mA)
Meas. range t (G type) .... (0ms
÷
upper disp. value)
.................................................................................
Display range
t (ms) G type Resolution
(ms) Accuracy
0 ÷ 300
(1/2I
∆
N,
I
∆
N)
1
0 ÷ 150 (2I
∆
N
) 1
0 ÷ 40 (5I
∆
N
) 1
±
3ms
Meas. range t (S type)..... (0ms
÷
upper disp. value)
.................................................................................
Display range
t (ms) S type Resolution
(ms) Accuracy
0
÷
500
(1/2I
∆ N,
I
∆ N)
1
0
÷
200 (2I
∆
N
) 1
0 ÷ 150 (5I
∆
N
) 1
± 3ms
RCD – Trip-out current
Meas. range I
∆
.................................. (0.2 ÷ 1.1) I
∆
N
Display range
I
∆
Resolution Accuracy
0.2I
∆
N
÷ 1.1I
∆
N
0.05I
∆
N
± 0.1I
∆
N
Meas. range t
∆
................................... (10
÷
300)ms
Display range
t
∆
(ms)
Resolution
(ms) Accuracy
0
÷
300
1 ±
3ms
Meas. range Uci .................................... (10
÷
100)V
Display range
Uci (V) Resolution
(V) Accuracy*
0.00 ÷ 9.99
0.01 (-0/+10)% of r.
± 0.2V
10.0 ÷ 100.0
0.1 (-0/+10)% of r.
*The accuracy is valid if:
Mains voltage is stabile during the meas.
PE terminal is free of interfering voltage
Uci voltage is calculated to Trip-out current I
∆ .
Fault Loop Resistance
and Prospective Short-circuit Current
Meas. range R
L-PE
...........................(0.20
÷
1999)
Ω
Display range
R
L-PE
, (
Ω
)
Resolution
(
Ω
)
Accuracy
0.00 ÷ 19.99
0.01
20.0 ÷ 199.9
0.1
200
÷
1999
1
±
(5% of r. + 5D)
Display range
Ipsc
(A)
Resolution
(A) Accuracy
0.06
÷
19.99
0.01
20.0
÷
199.9
0.1
200
÷
1999
1
2.00k
÷
19.99k 10
20.0k
÷
24.4k
100
Consider
accuracy
of R
L-PE
Ipsc calculation: ....................Ipsc = U
N
⋅ 1.06 / R
L-PE
U
N
= 115 V; (100 V
≤
U
L-PE
<
160 V)
U
N
= 230 V; (160 V
≤
U
L-PE
≤
264 V)
Max. test current (at 230 V) .............................2.5 A
Nominal voltage range........100
÷
264V / 45 - 65 Hz
Line Resistance and Prospective
short-circuit current
Meas. range R
L-N(L)
.........................(0.20
÷
1999)
Ω
Display range
R
L-N(L)
, (
Ω
)
Resolution
(
Ω
)
Accuracy
0.00
÷
19.99
0.01
20.0
÷
199.9
0.1
200
÷
1999
1
± (5% of r. + 5D)
Display range
Ipsc
(A)
Resolution
(A) Accuracy
0.06 ÷ 19.99
0.01
20.0 ÷ 199.9
0.1
200 ÷ 1999
1
2.00k ÷ 19.99k 10
20.0k ÷ 24.4k
100
Consider
accuracy
of R
L-N(L)
Ipsc calculation: ..................Ipsc = U
N
⋅
1.06 / R
L-N(L)
U
N
= 115 V; (100 V ≤ Uinp < 160 V)
U
N
= 230 V; (160 V
≤
Uinp
≤
264 V)
U
N
= 400 V; (264 V < Uinp < 440 V)
Max. test current (at 230 V) .............................2.5 A
Nominal voltage range.......100
÷ 440 V / 45 - 65 Hz
Phase rotation
Nominal mains voltage range ................100
÷
440V
Result displayed..................................1.2.3 or 2.1.3
Voltage
Display range
U (V) Resolution
(V) Accuracy
0 ÷ 440
1
± (2% of r. + 2D)
Nominal frequency range........................45 – 65 Hz