M540C GOSSEN METRAWATT, M540C Datasheet - Page 2

TESTER, INSULATION, METRISO 1000A

M540C

Manufacturer Part Number
M540C
Description
TESTER, INSULATION, METRISO 1000A
Manufacturer
GOSSEN METRAWATT
Datasheets
1.M540C.pdf (4 pages)
2.M540C.pdf (4 pages)

Specifications of M540C

Voltage Measuring Range Ac
0V To 1000V
Meter Display Type
Analogue
Operating Temperature Range
0°C To +40°C
Flash Test Voltage
5.55kV
Input Voltage Max
1000V
Safety Category
EN61557 EN 60529
Lead Free Status / RoHS Status
na
METRISO
Insulation Tester
Technical Data
1)
2)
Accuracy
Insulation resistance
Direct and
alternating current
Display
Movement
2
U
U
U
U
Measuring
R1, R2, R3
R1, R2, R3
R1, R2, R3
R1, R2, R3
R1, R2, R3
)
1000 V
U
N
Scale lengths:
Within the marked area of the respective scale (nominal range of use)
Function
As related to scale length
N
N
N
N
= 1000 V
= 100 V
= 250 V
= 500 V
4 Ω
= 50 V
200 kΩ ... 20 MΩ
400 kΩ ... 40 MΩ
400 kΩ ... 20 MΩ
1 MΩ ... 100 MΩ
2 MΩ ... 200 MΩ
4 MΩ ... 400 MΩ
Measuring Range
200 kΩ ...10 MΩ
100 kΩ ... 5 MΩ
20 kΩ ... 1 MΩ
40 kΩ ... 2 MΩ
0 ... 1000 V
R1 l = 46 mm
R2 l = 71 mm
R3 l = 80 mm
Ω
U
0 ... 0.8 MΩ
0 ... 200 kΩ
0 ... 400 kΩ
0 ... 40 kΩ
0 ... 80 kΩ
l = 67 mm
l = 66 mm
0 ... 4 Ω
®
1000A
Class 1.5 in reference to scale length
after electrical zero balance
class 2.5
Moving coil with core magnet
tion at Reference
Inherent Devia-
Conditions
± 2.5 %
± 1.5 %
± 1.5 %
± 1.5 %
± 1.5 %
± 1.5 %
± 1.5 %
1)
Measuring
Error
±25%
±25%
±25%
±25%
±25%
±10%
rdg.
rdg.
rdg.
rdg.
rdg.
rdg.
—
2)
Nominal
Voltage
1000 V
100 V
250 V
500 V
50 V
U
—
—
N
I
I
m
Measuring
N
Nominal/
Current
≥ 200 mA
≥ 1.0 mA
—
Turn-on performance
for insulation resistance measurement
An electronic voltage limiter prevents the voltage at the device
under test from substantially exceeding nominal voltage at turn-
on (see following characteristic curves).
500
400
300
200
100
600
500
400
300
200
100
Ux
[V]
Ux
[V]
0
0
Voltage
1200 V
Open-
circuit
120 V
300 V
600 V
60 V
9 V
U
—
0,5 1
o
U
Range R2
500
Current I
40 ... 200
> 200 mA
N
< 12 mA
quency/
Short-
circuit
1,5 2
= 500 V
Fre-
DC /
Hz
U
Range R1
N
k
= 500 V
1000
Resistance
Internal
Rx
[MΩ]
900 kΩ
150 kΩ
200 kΩ
300 kΩ
100 kΩ
400 kΩ
600 kΩ
200 kΩ
800 kΩ
30 kΩ
10 kΩ
40 kΩ
60 kΩ
20 kΩ
80 kΩ
50 kΩ
R
—
[kΩ]
i
Rx
600
500
400
300
200
100
Ux
[V]
0
Switching Value
for Resistance
GMC-I Gossen-Metrawatt GmbH
> 100 kΩ
> 200 kΩ
> 500 kΩ
> 1 MΩ
> 2 MΩ
—
—
U
Range R3
1200 V
1200 V
1200 V
1200 V
1200 V
1200 V
N
Overload Capacity
0,315 A
Value
= 500 V
max. 10 s
max. 10 s
max. 10 s
max. 10 s
max. 10 s
Duration
continu-
continu-
Rx
[MΩ]
ous
ous