MI 2087 Instaltest 61557
Technical specification
63
6. Technical specification
6.1. Functions
Insulation resistance
Meas. range Riso (Un
≥
250V) ...(0.008
÷
1000)M
Ω
...................................
Display range
Riso (M
Ω
)
Un
≥
250V
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. + 2D)
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.
Meas. range Riso (Un
<
250V) ..(0.012
÷
199.9)M
Ω
...................................
Display range
Riso (M
Ω
)
Un
<
250V
Resolution
(M
Ω
)
Accuracy
0.000
÷
1.999
0.001
2.00
÷
19.99
0.01
20.0
÷
199.9
0.1
±
(5% of r. + 3D)
Display range
Test voltage
(V)
Resolution
(V)
Accuracy
0
÷
1200
1
±
(2% of r. + 3D)
Nom. test voltage ....50
÷
1000Vd.c. in steps of 10V
Current capability of test generator
(at Utest. > U
N
) .............................................. >1mA
Short-circuit test current ................................ <3 mA
Automatic discharge of tested object ................. yes
Continuity of protective conductors
Meas. range R..................................(0.08
÷
1999)
Ω
.................................................................................
Display range
R (
Ω
)
Resolution
(
Ω
)
Accuracy
0.00
÷
19.99
0.01
±
(2% of r. + 2D)
20.0
÷
199.9
0.1
200
÷
1999
1
±
(3% of r.)
Open-terminal test voltage ...................... 4 - 7 Vd.c.
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
Continuity
Display range
R (
Ω
)
Resolution
(
Ω
)
Accuracy
0.0
÷
199.9
0.1
200
÷
2000
1
±
(3% of r. + 3D)
Open-terminal test voltage.......................4 - 7 Vd.c.
Short-circuit test current................................< 7 mA
Sound signal .......................................................yes
Measurement mode........ continuous measurement
RCD – general data
Nominal differential
currents ................. 10, 30, 100, 300, 500, 1000 mA
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
Accuracy of actual diff. currents.......... (-0 / +0.1)I
∆
N
Test current shape................................... sine wave
Test current start at.................................. 0° or 180°
RCD type ...............................Standard or Selective
RCD – Contact Voltage Uc
Meas. range Uc..................................... (10
÷
100)V
Display range
Uc (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
Measurement principle .............. without aux. probe
Test current................................................ < 0.5 I
∆
N
Limit contact voltage ............................... 25 or 50 V
The Contact Voltage is calculated to I
∆
N
(standard type) or to 2I
∆
N
(selective type).
RCD – Fault Loop Resistance R
L
(Loop function)
Display range
R
L
(
Ω
)
Resolution
(
Ω
)
Accuracy
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
)
