
24
GOSSEN-METRAWATT
Response time
Response time
for „ISO-
Ω
“, measuring ranges up to 300 M
Ω
and for „
Ω
“: < 1.5 s; on all other measuring
ranges: < 2.5 s
Settling time
until „DATA“ is displayed: 2.0 s ... 4.5 s;
on the 3 G
Ω
range < 7s
Power supply
Batteries
6 each 1.5 V mono-cells type zinc-carbon to
IEC R 20 or ANSi-D or JIS-SUM1, type alkaline-
manganese to IEC LR 20 or ANSI-D or JIS-AM1
suitable NiCd storage batteries (NiCd storage bat-
teries must be charged externally)
Battery life /
Number of possible measurements with one battery set (lamp off)
V~ measurement
150 hours with zinc-carbon,
300 hours with alkaline-manganese
ISO-
Ω
measurement U
N
= 250 V:
100 k
Ω
, 5 s measure, 25 s pause:
8000 measurements with zinc-carbon,
14000 measurements with alkaline-manganese
U
N
= 500 V:
500 k
Ω
, 5 s measure, 25 s pause:
5000 measurements with zinc-carbon,
10 000 measurements with alkaline-manganese
U
N
= 1 000 V:
1 M
Ω
, 5 s measure, 25 s pause:
2200 measurements with zinc-carbon,
3 500 measurements with alkaline-manganese
Ω
measurement
1
Ω
automatic polarity reversal
(1 measurement cycle), 25 s pause:
10 000 measurements with zinc-carbon,
15 000 measurements with alkaline-manganese
Electrical safety
Protection class
Il to IEC 61010-1/EN 61 010-1/VDE 0411-1
Nominal
insulation voltage
1000 V to IEC 61010-1/EN 61010-1/
VDE 0411-1
Test voltage
6 kV~ to IEC 61010-1/EN 61010-1/VDE 0411-1
Overvoltage category II
Contamination level
2
Radio interference
suppression
Limit value class B to DIN VDE 0871
EMC
to DIN VDE 0843 / IEC 801
Part 2: severity level 3
Part 3: 27 MHz ... 500 MHz 3 V/m
Part 4 : severity level 2
Fuse
Fuse
FA 0.315A / 1000 V; 6.3 mm x 45 mm,
protects the low-ohmic measuring range
in conjunction with power diodes
Light bulb
Signal lamp
in the probe
Lens type lamp 2.5 V / 0.2 A, cap E 10