PAT-80
● PAT-85 ● PAT-86 – USER MANUAL
88
the bandwidth of test current results from the measuring system with adjusted touch current
which simulates human perception and reaction, in accordance with EN 60990:2002
adjustable upper limit in the range of: 0.01 mA... 1.99 mA with resolution 0.01 mA
adjustable measuring time in the range of: 1 s…60 s with resolution of 1 s and option
Con-
tinuous test
Leakage current in welding machine’s primary circuit I
P
Range
Resolution
Basic uncertainty
0.00 mA
…14.99 mA
0.01 mA
(5% m.v. + 5 digits)
measurement meets the requirements of EN 60974-4 standard
Leakage in welding machine’s welding circuit I
L
Range
Resolution
Basic uncertainty
0.
00 mA…14.99 mA
0.01 mA
(5% m.v. + 5 digits)
measurement meets the requirements of EN 60974-4 standard
13.5 Testing RCDs / PRCDs
Measurement of RCD / PRCD parameters
RCD / PRCD tripping time t
A
measurement for sine differential current
Measurement range in acc. with IEC 61557: 0 ms ... up to the upper limit of displayed value
RCD type
Rated Current
multiplication
factor
Measurement
range
Resolu-
tion
Basic uncertainty
General
0.5 I
n
0 ms…300 ms
(999 s)
2)
1 ms
±(2% m.v. + 2 digits)
1)
1 I
n
2 I
n
0 ms…150 ms
5 I
n
0 ms…40 ms
1)
for I
n
= 10 mA and 0.5 I
n
uncertainty is
± 2% m.v. ± 3 digits
2)
AS/NZS 3017
Measurement of RCD / PRCD trip current I
A
for sine differential current
Measurement range in acc. with IEC 61557: (0.3...1.0)I
Δn
Selected
rated RCD
current
Measurement
range
Resolution
Basic uncertainty
Measurement
range
10 mA
3.
0 mA…10.0 mA
0,1 mA
0.3 I
n
…1.0 I
n
5% I
n
15 mA
4.
5 mA…15.0 mA
30 mA
9.
0 mA…30.0 mA
test current flow time: max. 3200 ms
testing AC type RCD breakers
start of the measurement from the positive or negative half sine period
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