Camille Bauer GOSSEN METRAWATT GEOHM C, Руководство по эксплуатации

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GMC-I Messtechnik GmbH 29
7 Characteristic Values
1)
Manual measuring range selection only, for resistance measurements see chapter 5.7
2)
as from software version AD
3)
For sinusoidal measured quantities only
Output Voltage max. 50 V
TRMS
at 128 Hz
±
0.5 Hz
Reference Conditions
Ambient Temperature 23
°
C
±
2 K
Relative Humidity 40%
…
60%
Battery Voltage 5.5 V
±
1%
Line Frequency 50 Hz
±
0.2 Hz
Line Voltage Waveshape sine (deviation between effective and rectified
value
<
1%)
Nominal Conditions of Use
Series Mode Interference Voltage < 3 V AC DC
Additional Error due to Probe and
Aux. Earth Electrode Resistance
< 5% pf (R
E
+R
H
+R
S
)
Max. Probe Resistance < 70 k
Ω
Max. Auxiliary Earth
Electrode Resistance
< 50 k
Ω
Max. Earth and Auxiliary
Earth Electrode Resistance
≤
50 k
Ω
, see graph R
E
as a function of R
H
Ambient Conditions
Nominal Range of Use 0
°
C
…
+40
°
C
Operating Temperature –10
°
C
…
+50
°
C
Storage Temperature –20
°
C
…
+60
°
C (without batteries)
Relative Humidity max. 75%, no condensation allowed
Elevation to 2000 m
Power Supply
Batteries 4 ea. 1.5 V baby cell (4 x C-size)
(alkaline manganese per IEC LR14)
Battery Voltage 4.6
…
6.5 V
Battery Service Life 30 hours or 1000 measurements at R
E
(with 10 s on-time and automatic device shutdown after each
measurement, without display illumination)
Rechargeable Batteries NiCd or NiMH
Battery Charger NA102 (article no. Z501N),
(not included) 3.5 mm jack plug
Charging Voltage / Time 9 V / approx. 14 hours
Due to their reduced charging capacity, fewer measurements can be per-
formed with rechargeable batteries than with normal batteries as a rule.
Meas.
Qty.
Display range Measuring Range
Impedance,
Test Current Intrinsic
Uncertainty Measuring
Uncertainty
R
E
0.01 ... 20
Ω
0.1 ... 200
Ω
1
Ω
... 2 k
Ω
10
Ω
... 20 k
Ω
10
Ω
... 50 k
Ω
1.0 ... 20
Ω
5 ... 200
Ω
50
Ω
... 2 k
Ω
500
Ω
... 20 k
Ω
500
Ω
... 50 k
Ω
1)
10 mA
1 mA
100 μA
100 μA
100 μA
±
(3%rdg.+6d)
±
(10% rdg. + 6d)
±
(10% rdg. + 6d)
±
(10% rdg. + 6d)
±
(10% rdg. + 6d)
±
(16% rdg. + 10d)
U
2)
1.0 ... 99.9 V
100 ... 250 V
10 ... 250 V 500 k
Ω ±
(2%rdg.+2d)
±
(4% rdg. + 3d)
U~
3)
0 ... 99.9 V
100 ... 300 V
f
3)
15 ... 99.9 Hz
100 ... 400 Hz
45 ... 200 Hz 500 k
Ω ±
(0.1%rdg.+1d)
±
(0.2% rdg. + 1d)
0.5
25
50
0.5 25
50 R
H
[k
Ω
]
R
E
[k
Ω
]