Megger OTS PB Series - Page 7

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OTS PB and OTS AF Range
Fully automatic insulating oil dielectric breakdown testing
PROGRAMMED TEST SEQUENCE OVERVIEW
Oil types
tested
Electrode gap
options (mm)
Electrode shape
options
Oil
stirring
options
Voltage rise
rate options
Breakdown test sequence
Standards complied with and programmed
Mineral
Ester
HMWH*
Silicone
1.0 2.0 2.5 2.54 4.0
IEC Electrode Set
IEC Electrode Set
Full Electrode Set
0.5
kV/s
2
kV/s
3
kV/s
Number
of tests
Intial
stand
time
Time
between
tests
AS1767.2.1
n n n n n n n n
6
5 mins
2 mins
ASTM D 1816-12
n n n n n n n
5 3 mins 1 min 15s
ASTM D 1816-12E (Ester)
n n n n n n n
5 30 mins 1 min 15s
ASTM D 877A-19
n n n n n n
5 2 mins 1 min
ASTM D 877B-19
n n n n n n
1 x 5 2 mins (x5) N/A
BS148 EN60156
n n n n n n n n
6
5 mins
2 mins
BS 5730a AD 30 kV/40 kV
n n
30 kV = 2.5 40 kV = 4.0
n n n n n n
3 10s to 600s N/A
BS 5730a BCEF 22 kV/30 kV
n n
22 kV = 2.5 30 kV = 4.0
n n n n n n
4 10s to 600s N/A
BS EN 60156-96
n n n n n n n n
6
5 mins
2 mins
CEI EN 60156-95
n n n n n n n n
6
5 mins
2 mins
Custom 5, 6 and 10
n n
1.0 to 7.0
n n n n n
0.5 kV/s to 10 kV/s
5, 6 or 10 10s to 600s 10s to 600s
GBT 507-2002
n n n n n n n n
6
5 mins
2 mins
GOST 6581-75
n n n n n n
6 10 mins 5 mins
IEC 60156-95
n n n n n n n n
6
5 mins
2 mins
IEC 60156-2018
n n n n n n n n
6
5 mins
2 mins
IEC 60156-2018 (V)
n n n n n n n n
6
15 mins
6 mins
IEC 60156-2018 Annex A
n n n n n n n n
10
5 mins
1 mins
IEC 60156-2018 Annex A (V)
n n n n n n n n
10
15 mins
3 mins
IRAM 2341
n n n n n n n n
6
5 mins
2 mins
* High Molecular Weight Hydrocarbon