1652C/1653B/1654B
Users Manual
ii
General Specifications ........................................................... 45
Category Ratings and Usage ................................................. 46
Electrical Measurement Specifications................................... 46
Insulation Resistance (R
ISO
)................................................ 46
Insulation Resistance (R
ISO
) (cont.) .................................... 47
Continuity (R
LO
)................................................................... 47
Loop Tests (Z
I
).................................................................... 48
RCD/FI Tests (
Δ
T, I
Δ
N)........................................................ 49
Earth Tests (R
E
).................................................................. 50
AC Voltage Measurement (V)............................................. 50
Continuity Testing (RLO) .................................................... 50
Insulation Resistance Measurement (RISO)....................... 51
Loop and Line Impedance (Z
I
) ............................................ 52
No Trip and Hi Current Modes RCD/FI ............................... 52
Prospective Earth Fault Current Test (PSC/I
K
)....................... 52
RCD Testing........................................................................... 53
RCD Types Tested ............................................................. 53
Test Signals........................................................................ 53
Tripping Speed Test (
Δ
T).................................................... 54
Maximum Trip Time ............................................................ 54
RCD/FI-Tripping Current Measurement/Ramp Test (I
Δ
N ) . 55
Earth Resistance Test (RE )................................................... 55
Phase Sequence Indication.................................................... 56
Mains Wiring Test................................................................... 56
Operating Ranges and Uncertainties per EN 61557 .............. 57
Operating Uncertainties per EN 61557................................... 58