GMC-I Messtechnik GmbH 27
Mechanical Design
Dimensions 225 x 130 x 140 mm
Weight Approx. 1.4 kg with batteries
Protection Housing: IP 52, measurement cables and
connectors: IP 40 per DIN VDE 0470,
part 1 / EN 60529,
housing category 2
Extract from table on the meaning of IP codes
Display Values in Consideration of Measuring Uncertainty
Table for determining minimum display values for insulation resis-
tance in consideration of the instrument’s measuring uncertainty.
Table for determining maximum display values for low-value resis-
tance in consideration of the instrument’s measuring uncertainty.
IP XY
(1
st
digit X)
Protection Against
Foreign Object Entry
IP XY
(2
nd
digit Y)
Protection Against
Penetration by Water
2 12.5 mm dia. 2 Dripping (at 15° angle)
3 2.5 mm dia. 3 Spraying water
4 1.0 mm dia. 4 Splashing water
5 Dust protected 5 Jet-water
6 Dust-proof 6 Powerful water jets
Limit Value
Minimum
Display Value
Limit Value
Minimum
Display Value
020 k 025 k
100 k 111 k 100 M 111 M
200 k 219 k 200 M 219 M
500 k 541 k 500 M 541 M
0.20 M 0.25 M
0.50 M 0.57 M
1.00 M 1.11 M 1.00 G 1.11 G
2.00 M 2.19 M 2.00 G 2.19 G
5.00 M 5.41 M 5.00 G 5.41 G
10.0 M 11.1 M 10.0 G 11.1G
20.0 M 21.9 M 20.0 G 22.6 G
50.0 M 54.1 M 50.0 G 55.9 G
Limit Value
Maximum
Display Value
Limit Value
Maximum
Display Value
0.15 0.11
0.20
0.16 5.00 4.72
0.50 0.44 10.0 9.47
1.00 0.92 20.0 17.7
2.00 1.87 50.0 44.7
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