MI 2087 AL2 EasiTEST Technical specification
37
6 Technical specification
6.1 Functions
Insulation resistance
Resistance:
Measuring range.................................(0.008 ÷ 1000) MΩ
Display range
(MΩ)
Resolution
(MΩ)
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 MΩ 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 5Ω).......................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