Sonel MRU-200 User Manual page 6

Earth resistance meter
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6.6 General principles regarding using Ni-MH accumulators ....................................... 49
7 Cleaning and maintenance ........................................................................... 50
8 Storage ........................................................................................................... 50
9 Dismantling and disposal ............................................................................. 50
10 Technical data................................................................................................ 51
10.1 Basic data ............................................................................................................... 51
10.2 Additional data ........................................................................................................ 54
10.2.1
10.2.2
earth resistivity function (ρ) ......................................................................................... 54
10.2.3
10.2.4
function (ρ) ................................................................................................................... 55
10.2.5
10.2.6
measurement for method R
10.2.7
two-clamp method (2C) ............................................................................................... 56
10.2.8
10.2.9
Additional uncertainties in accordance with IEC 61557-4 (2P) ..................................... 56
11 Accessories ................................................................................................... 57
11.1 Standard accessories ............................................................................................. 57
11.2 Optional accessories .............................................................................................. 58
12 Positions of the meter's cover ..................................................................... 59
13 Manufacturer .................................................................................................. 59
14 Laboratory services ...................................................................................... 60
4
3P+C................................................................................... 54
3P+C .................................................................................... 54
4P ) ...................................................................................... 55
3P+C .............................................................................. 55
MRU-200 ● MRU-200-GPS - USER MANUAL
upon earth resistance measurements for
Z
Z
upon the result of the earth resistance
Z
3P+C) ............................................................... 56
3P+C) ....... 56
E
E
E

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