Camille Bauer GOSSEN METRAWATT GEOHM C, Руководство по эксплуатации

Страница: 66 / 236

30 GMC-I Messtechnik GmbH
Electrical Safety
Safety Class II per IEC 61010-1
Operating Voltage 250 V
Test Voltage 2.3 kV
Measuring Category 250 V CAT II
Fouling Factor 2
Fuse F0.1H250V
Electromagnetic
Compatibility (EMC)
IEC 61326-1/EN 61326-1
Data Interface
Type infrared interface (SIR/IrDa)
bidirectional, half-duplex
Format 9600 baud, 1 start bit, 1 stop bit, 8 data bits,
no parity, no handshake
Range max. 10 cm, recommended distance: < 4 cm
Mechanical Design
Display dot matrix: 64 x 128 pixels, illuminated
Dimensions 275 mm x 140 mm x 65 mm
(without measurement cables)
Weight approx. 1.2 kg with batteries
Protection housing: IP 54 per EN 60529
with pressure compensating diaphragm made of
microporous ePTFE, non-aging, dia. 8 mm in battery
compartment cover
Extract of table on the meaning of IP codes
Display Values including Allowances for Measuring Error
Table for the determination of maximum display values for low earth resis-
tances by making allowances for the tester’s measuring error:
IP XY
(1
st
digit X)
Protection against
foreign object entry
IP XY
(2
nd
digit Y)
Protection against the pene-
tration of water
0 not protected 0 not protected
1
≥
50.0 mm
∅
1 vertically falling drops
2
≥
12.5 mm
∅
2
vertically falling drops with en-
closure tilted 15
°
3
≥
2.5 mm
∅
3 spraying water
4
≥
1.0 mm
∅
4 splashing water
5 dust protected 5 water jets
6 dust-tight 6 powerful water jets
Limit Value
Maximum
Display Value
Limit Value
Maximum
Display Value
1.00
Ω
0.84
Ω
50.0
Ω
44.4
Ω
2.00
Ω
1.74
Ω
100
Ω
89.4
Ω
5.00
Ω
4.44
Ω
500
Ω
444
Ω
10.0
Ω
8.94
Ω
1.00 k
Ω
894
Ω
20.0
Ω
17.4
Ω
5.00 k
Ω
4.44 k
Ω