True/Effective Measuring Modules for AC Voltages and AC Current Type
ZA9903AB/ZA9904AB True/Effective Measuring Modules for AC
Voltages and AC Current Type
● Independent,
full digital acquisition of the true/effective values of an AC variable.
● Measuring
signals with any course of a curve are digitised with 1kHz.
● Pure digital
data transmission to the measuring instrument.
● Acquisition
of the frequency through a second measuring channel.
● Connector
sockets electrically isolated and overvoltageprotected.
☞ The measuring module is not designed
for operation with selector switch board ES5590MF.
Technical Data:
TRMS
Accuracy:
0.1% of fin. val. ± 2 digits
Sampling rate:
1kHz
Resolution:
12 bit, ± 2048 digits for Uss
Frequency range:
20.0 … 250Hz
Meas. period/transient time:
0.5s
Frequency
Accuracy:
± 0.1Hz
Sampling rate:
1kHZ
Resolution:
0.1Hz
Sensitivity:
10% of final value
Frequency range:
20.0 … 250Hz
Meas. period/transient time:
0.5s
Electrical isolation:
1kV permanent, 5kV for 1s
Housing:
polystyrene,
dim. L 100 x W 54 x H 31mm
Sockets:
touchproof, Ø 4mm
Operating voltage:
6 … 14V
through ALMEMO® device
Current consumption:
< 40mA
(connector and module)
Types (incl. touchproof connecting
cable):
AC Voltage
Order No.
Meas. range
Resolution
Peak
Overload
Internal resistance
ZA9903AB1
130.0mVrms ¹)
0.1mV
0.2V
400V
0.5MΩ
ZA9903AB2
1.300Vrms
1mV
2V
400V
0.8MΩ
ZA9903AB3
13.00Vrms
10mV
20V
500V
1MΩ
ZA9903AB4
130.0Vrms
0.1V
200V
500V
1MΩ
ZA9903AB5
400Vrms
1V
1000V
1000V
4MΩ
¹) When using the measuring module for
the purposes of current measurement with an external shunt, the shunt
must be looped into the neutral conductor (not into the phase).
AC Current
Order No.
Meas. range
Resolution
Peak
Overload
Internal resistance
ZA9904AB1
1.000Arms
1mA
2A
10A²)
0.10Ω
ZA9904AB2
10.00Arms
10mA
20A
20A²)
0.01Ω
²)Without fuse, overload condition only
up to 1 minute maximum
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