Beha-Amprobe MT204-S Manual Del Usuario página 45

Measurement functions
Earth bond resistance (R
Measurement range
Display range
Resolution
Accuracy
Test current
Test voltage (open circuit)
Measurement principle
Test lead compensation
Protection against ext. voltage
Earth bond resistance (R
Measurement range
Display range
Resolution
Accuracy
Test current
Test voltage (open circuit)
Measurement principle
Test lead compensation
Protection against ext. voltage
Loop impedance / Prospective short-circuit current (Z
Measurement range Z
Display range Z
I
Resolution
Accuracy
Display range I
PSC
Calculation I
PSC
Accuracy I
PSC
Voltage range
Test current
)
PE 10A
0.12 ... 20.00 Ω
0.00 ... 20.00 Ω
0.01 Ω
± (3% rdg. + 2 digits)
approx.10 A AC (mains voltage 230 V ±
10%, standard test leads 2 × 2 m and
external resistance 0.1 Ω)
approx. 5.5 V AC (floating)
Two-wire connection
Up to 5.00 Ω by pressing the "COMP" key
Fuse F2
)
PE 0.2A
0.12 ... 10.00 Ω
0.00 ... 10.00 Ω
0.01 Ω
± (3% rdg. + 2 digits)
>0.2 A AC
approx. 5.5 V AC (floating)
Two-wire connection
Up to 5.00 Ω by pressing the COMP key
Fuse F3
0.12 ... 20.00 Ω
l
0.00 ... 20.00 Ω
0.01 Ω
± (3% rdg. + 3 digits)*
10 A ... 40 kA
for 230 V (+/-10%) I
for 400 V (+/-10%) I
outside above two ranges I
Depends on Z
200 ... 440 V, 50 Hz
approx. 20 ... 44 A, (internal load of 10 Ω
for 20 ms)
45
/I )
l PSC 20A
= 230 V / Z
PSC
= 400 V / Z
PSC
PSC
accuracy
l
l
l
= Umeas/ Z
l