M242A GOSSEN METRAWATT, M242A Datasheet - Page 4
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M242A
Manufacturer Part Number
M242A
Description
MULTIMETER, DIGITAL, METRAHIT PRO
Manufacturer
GOSSEN METRAWATT
Specifications of M242A
Dmm Type
Handheld
Voltage Measuring Range Dc
100mV, 1V, 10V, 100V, 1000V
Voltage Measuring Range Ac
100mV, 1V, 10V, 100V, 1000V
Current Range Dc
100µA To 10A
Current Range Ac
100µA To 10A
Resistance Measuring Range
100R - 40MR
Rohs Compliant
NA
Lead Free Status / RoHS Status
na
METRAHIT⏐X-
TRMS Digital Multimeters
Internal Clock
Time format
Resolution
Accuracy
Temperature Influence 50 ppm/K
Influencing Quantities and Influence Error
1)
2)
3)
4)
5)
4
Temperature
Fre-
quency
Crest factor CF
Relative
humidity
Battery voltage
Influenc-
ing Qty.
With zero balancing
Power limiting: frequency x voltage max. 3 x 10
The accuracy specification for frequency response is valid within a display value
range of 10% to 100% of the measuring range for both measuring modes with the
TRMS converter in the AC and (AC+DC) ranges.
METRAHIT⏐X-
METRAHIT⏐P
METRAHIT⏐B
Except for sinusoidal waveshape
Influencing
Influencing
Influencing
Quantity
Quantity
Quantity
V
2)
A
A
AC
AC
Meas. Range
AC
Meas. Qty. /
RO
ASE
100.00 mV
10.0000 A
100.00
1 V / 10 V
TRA
1.0000 V
100.00 V
1000.0 V
100 mV /
+25° C ... +50° C
–10° C ... +21° C
:
: frequency response up to 1 kHz
: frequency response up to 20 kHz,
instrument off
...
...
1.8 to 3.6 V
Sphere of
Sphere of
Sphere of
Influence
frequency response up to 10 kHz,
Influence
Influence
> 3 ... 5
3 days
μ
1 ... 3
75%
and
A
> 15 Hz ... 45
> 65 Hz ... 1 kHz
> 15 Hz ... 45
> 65 Hz ... 1 kHz
> 15 Hz ... 45
> 65 Hz ... 1 kHz
> 15 Hz ... 45
> 65 Hz ... 10 kHz
> 65 Hz ...
> 1 kHz ... 10 kHz
> 1 kHz ...10/20kHz
> 1 kHz ... 10 kHz
Sphere of Influence
DD.MM.YYYY hh:mm:ss
0.1 s
±1 min. per month
Measured Quantity /
°C/°F (Pt100/Pt1000)
°C/°F thermocouple K
TRA
Measuring Range
Measured Quantity/
Measured Quantity
Measuring Range
V, A, Ω, F, Hz, °C
10 nF ... 100 μF
100 Ω ... 1 MΩ
1 kHz
V
mA/A
mA/A
> 1 MΩ
Hz
Hz
Hz
Hz
V
V
ditto
Hz
, A
4)
⏐P
METRAHIT⏐X-
6
METRAHIT⏐P
V x Hz
RO
1)
2 + 30
3 + 30
3 + 30
3 + 10
2 + 9
1 + 9
3 + 9
2 + 9
1 + 9
3 + 9
—
±( ... % rdg. + ... d)
Intrinsic Error
⏐B
(...% rdg. + ... d) / 10 K
Included in intrinsic error
TRA
RO
Influence Error
1 x intrinsic error
Influence Error
Influence Error
± 1 % rdg.
± 3 % rdg.
METRAHIT⏐B
ASE
0.2 + 10
0.4 + 10
0.5 + 10
0.5 + 10
0.8 + 10
0.2 + 10
0.5 + 10
0.2 + 10
1 + 10
1 + 5
3)
3 + 30
3 + 30
3 + 10
3 + 9
3 + 9
3 + 9
3 + 9
—
—
—
—
5)
ASE
Reference Conditions
Ambient temperature
Relative humidity
Measured qty. frequency
Measured qty. waveshape
Battery voltage
Response Time (after manual range selection)
Data Interface
Type
Data transmission
Protocol
Baud rate
Functions
The
used for adaptation to the PC’s USB port.
Internal Measured Value Storage
Memory capacity
Common Mode
Interference
Voltage
Series Mode
Interference
Voltage
Influencing
Measured Quantity /
Quantity
Measuring Range
USB⏐X-
10 nF ... 100 μF
100 Ω ... 1 MΩ
AV
V
10/40 MΩ
°C (Pt 100)
Continuity
1 000 μF
>10 Hz
, V
, A
TRA
max. 1000 V
Interference quantity: V
nominal value of the measuring range,
Interference quantity max. 1000 V
Interference quantity max. 1000 V
Interference quantity max. 1000 V
plug-in interface adapter (see accessories) is
(METRAHIT⏐X-
Sphere of Influence
50 Hz ... 60 Hz, sine
Optical via infrared light through the housing
Serial, bidirectional (not IrDa compatible)
Device specific
38,400 baud
– Select/query measuring functions
– Query momentary measurement data
– Read out stored measurement data
4 MBit / 540 kB for approx. 15,400
measured values with date and time stamp
Response Time
Digital Display
, 50 Hz ... 60 Hz, sine
and parameters
< 50 ms
Max. 3 s
Max. 2 s
Max. 7 s
1.5 s
1.5 s
1.5 s
2 s
5 s
+23 °C ±2 K
40 ... 75%
45 ... 65 Hz
Sine
3 V ±0.1 V
, respective
GMC-I Gossen-Metrawatt GmbH
TRA
(METRAHIT⏐X-
Measured Quantity /
Measuring Range
only)
1 V
of upper range limit value
of upper range limit value
of upper range limit value
1000 V
100 V
Measured Quantity
V
V
V
, 10 V
From ∞ to 50%
From 0 to 80%
From 0 to 50%
waveshape
TRA
Damping
> 120 dB
> 110 dB
> 80 dB
> 70 dB
> 60 dB
> 50 dB
only)