MI 2087 AL2 EasiTEST
Technical specification
37
6 Technical specification
6.1 Functions
Insulation resistance
Resistance:
Measuring range.................................(0.008
÷
1000) M
Ω
Display range
(M
Ω
)
Resolution
(M
Ω
)
Accuracy*
0.000
÷
1.999
0.001
2.00
÷
19.99
0.01
20.0
÷
199.9
0.1
±
(2 % of r. + 2 D)
200
÷
1000
1
±
(10 % of r.)
*Specified accuracy is valid if Universal test cable is
used, while it is valid up to 200 M
Ω
if Tip Commander is
used.
Voltage:
Display range
(V)
Resolution
(V)
Accuracy
0
÷
1200
1
±
(2 % of r. + 3 D)
Nominal voltages ......... 250 V DC, 500 V DC, 1000 V DC
Current capability of generator at Utest >UN ......... >1 mA
Short-circuit test current......................................... <3 mA
Automatic discharge of tested object .......................... yes
Continuity of protective conductors
Measuring range......................................(0.08
÷
1999)
Ω
Display range
R (
Ω
)
Resolution
(
Ω
)
Accuracy
0.00
÷
19.99
0.01
±
(2 % of r. + 2 D)
20.0
÷
199.9
0.1
200
÷
1999
1
±
(3 % of r.)
Open-terminal test voltage............................(4
÷
7) V DC
Short-circuit test current.................................... >200 mA
Compensation of test leads (up to 5
Ω
) ....................... yes
Sound signal ............................................................... yes
Automatic polarity exchange....................................... yes
Measurement mode......................... single measurement
RCD – general data
Nominal differential currents .............................................
..............10mA, 30mA, 100mA, 300mA, 500mA, 1000mA
Accuracy of actual differential currents:
-0 / +0.1
⋅
I
∆
; I
∆
= I
∆
N, 2
⋅
I
∆
N, 5
⋅
I
∆
N
-0.1
⋅
I
∆
N / +0; I
∆
= 0.5
⋅
I
∆
N
Test current shape............................................sine wave
Test current start at...........................................0° or 180°
RCD type .........................................standard or selective
Contact voltage Uc
Measuring range……………………….. …...(10
÷
100) V
Display range
(V)
Resolution
(V)
Accuracy*
0.00
÷
9.99
0.01
(-0 / + 10)% of r.
±
0.2 V
10.0
÷
100.0
0.1
(-0 / + 10)% of r.
*The accuracy is valid if:
q
Mains voltage is stabile during the meas.
q
PE terminal is free of interfering voltage
Measurement principle ........................without aux. probe
Test current .......................................................< 0.5 I
∆
N
Limit contact voltage ......................................25V or 50 V
The contact voltage is calculated to I
∆
N (standard type) or
to 2I
∆
N (selective type).
RCD – Fault loop resistance RL
(Trip Lock)
Display range
(
Ω
)
Resolution
(
Ω
)
Accuracy
0.0
÷
199.9*
0.1*
0.00
÷
19.99
0.01
20.0
÷
199.9
0.1
200
÷
1999
1
2.00k
÷
10.00k
0.01k
±
(5 % of r. +
0.05V/ I
∆
N +
0.2
Ω
)
*
For nominal differential current 10 mA or 30 mA.
Calculation.................................................... Uc =RL*I
∆
N
Measurement principle ........................without aux. probe
Test current .......................................................< 0.5 I
∆
N
RCD – Trip-out time
(RCD manual, RCD auto)
Test current .............................0.5 I
∆
N, I
∆
N, 2 I
∆
N, 5 I
∆
N
(multiplier 5 is not available, if I
∆
N = 1000 mA)
Meas. range (G type)............... (0ms
÷
upper disp. value)
Display range
(ms) G type
Resolution
(ms)
Accuracy
0
÷
300
(1/2I
∆
N, I
∆
N)
1
0
÷
150 (2I
∆
N)
1
0
÷
40 (5I
∆
N)
1
±
3 ms
Meas. range (S type) .............. (0 ms
÷
upper disp. value)
Display range
(ms) S type
Resolution
(ms)
Accuracy
0
÷
500
(1/2I
∆
N, I
∆
N)
1
0
÷
200 (2I
∆
N)
1
0
÷
150 (5I
∆
N)
1
±
3 ms
RCD – Trip-out current
(RCD ramptest)
Current I
∆
N:
Measuring range........................................(0.2
÷
1.1) I
∆
N
Display range
Resolution
Accuracy
0.2I
∆
N
÷
1.1I
∆
N
0.05I
∆
N
±
0.1I
∆
N
Time t
∆
:
Measuring range.........................................(10
÷
300) ms
Display range
(ms)
Resolution
(ms)
Accuracy
0
÷
300
1
±
3ms
