Gossen MetraWatt PROFITEST 204 - Minimum Display Values in Consideration of Operating Error; List of Abbreviations

GMC-I Messtechnik GmbH 71
12.2 Minimum Display Values
in Consideration of Operating Error
Table for the calculation of minimum display values for protective
conductor resistance, insulation resistance and differential current
in consideration of instrument operating error:
12.3 List of Abbreviations
R
PC
[m]R
ins
[M] I [mA]
Limit Value Max. Display Limit Value Min. Display Limit Value Max. Display
11 10 0 0.05 0.31 0.2
22 20 0.03 0.1 0.36 0.25
33 30 0.08 0.15 0.42 0.3
44 40 0.12 0.2 0.52 0.4
55 50 0.17 0.25 0.63 0.5
66 60 0.21 0.3 0.74 0.6
77 70 0.31 0.4 0.85 0.7
88 80 0.40 0.5 0.96 0.8
104 90 0.49 0.6 1.07 0.9
115 100 0.58 0.7 1.18 1.0
125 110 0.67 0.8 1.72 1.5
136 120 0.76 0.9 2.26 2.0
147 130 0.85 1.0 2.81 2.5
158 140 1.31 1.5 3.35 3.0
169 150 1.77 2.0 4.43 4.0
180 160 2.23 2.5 5.52 5.0
191 170 2.68 3.0 6.61 6.0
201 180 3.60 4.0 7.69 7.0
212 190 4.51 5.0 8.78 8.0
223 200 5.42 6.0 9.86 9.0
234 210 6.34 7.0
245 220 7.25 8.0
256 230 8.17 9.0
267 240 8.54 10
278 250 13.1 15
288 260 17.7 20
299 270 22.3 25
310 280 26.8 30
321 290 36.0 40
332 300 45.1 50
Abbreviation Meaning
I Contact current for leakage current test
U Voltage drop during protective conductor test
f~ Frequency of measuring voltage
I
MAX
Maximum permissible current before high voltage is switched off
I
N
Nominal current
I
T
Breaking current for high-voltage test
PELV P
rotective Extra Low Voltage
R
INS
Insulation resistance
R
PC
Protective conductor resistance
U
INS
Test voltage
UMeasuring voltage
U
T
Voltage value prior to exceeding the breaking current during high-voltage testing