Beha-Amprobe ProInstall-75 - No Trip and Hi Current Modes RCD;FI; Prospective Short Circuit Current Test (PSC;I Prospective Earth Fault Current (PEFC)

29
Auto Discharge Discharge time constant <0.5 second for C = 1 μF
or less.
Live Circuit Detection Inhibits test if terminal voltage >30 V prior to initiation of test.
Maximum Capacitive Load Operable with up the 5 μF load.
No Trip and Hi Current Modes RCD/FI
Mains Input Voltage Range 100 - 500 V ac (50/60 Hz)
Input Connection
(soft key selection)
Loop Impedance: phase to earth
Line impedance: phase to neutral
Limit on Consecutive Tests Automatic shutdown when internal components are too
hot. There is also a thermal shutdown for RCD tests.
Maximum Test Current @ 400 V 20 A sinusoidal for 10 ms
Maximum Test Current @ 230 V 12 A sinusoidal for 10 ms
Range Resolution Accuracy
[1]
20 Ω 0.01 Ω No Trip mode: ±(3 % + 6 digits)
Hi Current mode: ±(2 % + 4 digits)
200 Ω 0.1 Ω No Trip mode: ±(3 %)
Hi Current mode: ±(2 %)
2000 Ω 1 Ω ±6 %
[2]
Note:
[1] Valid for resistance of neutral circuit <20 Ω and up to a system phase angle of 30 °. Test
leads must be zeroed before testing.
[2] Valid for mains voltage >200 V.
Prospective Short Circuit Current Test (PSC/I
K
)
Prospective Earth Fault Current (PEFC)
Computation Prospective Earth Fault Current (PSC/I
K
) or Prospective Short
Circuit Current (PSC/I
K
) determined by dividing measured
mains voltage by measured loop (L-PE) resistance or line (L-N)
resistance, respectively.
Range 0 to 10 kA or 0 to 50 kA
(See Power-On Options earlier in this manual)
Resolution and Units Resolution Units
I
K
<1000 A 1 A
I
K
>1000 A 0.1 kA
Accuracy Determined by accuracy of loop resistance and mains
voltage measurements.