Electrical
Installation
Tester
Specifications
55
RCD/FI-Tripping Current Measurement/Ramp Test (I
Δ
N
)
Dwell Time
Current Range
Step Size
Type G
Type S
Measurement
Accuracy
30 % to 110 % of
RCD rated current
[1]
10 % of
I
Δ
N
[2]
300 ms/step
500 ms/step
±
5 %
Notes
[1] 30 % to 150 % for Type A I
Δ
N
>10 mA
30 % to 210 % for Type A I
Δ
N
= 10 mA
20 % to 210 % for Type B
Specified trip current ranges (EN 61008-1):
50 % to 100 % for Type AC
35 % to 140 % for Type A (>10 mA)
35 % to 200 % for Type A (
≤
10 mA)
50 % to 200 % for Type B
[2] 5% for Type B
Earth Resistance Test (R
E
)
Models 1653B and 1654B Only. This product is intended to be used to measure
installations in process plants, industrial installations, and residential applications.
Range Resolution Accuracy
200
Ω
0.1
Ω
±
(2 % + 5 digits)
2000
Ω
1
Ω
±
(3.5 % + 10 digits)
Range: RE + R
PROBE
[1]
Test
Current
2200
Ω
3.5 mA
16000
Ω
500
μ
A
52000
Ω
150
μ
A
Note
[1] Without external voltages
Frequency Output
Voltage
128 Hz
25 V
Live Circuit Detection
Inhibits test if terminal voltage >10 V ac is
detected prior to start of test.
