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DEWESOFT SIRIUS Series User Manual

DEWESOFT SIRIUS Series
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SIRIUS
®
TECHNICAL REFERENCE MANUAL
6.1.3.1. Filter order
An ideal filter has full transmission in the pass band, complete attenuation in the stop band, and an
abrupt transition between the two bands. In practice an ideal filter is not possible and can only be
approached to a certain degree. The higher the filter order, the more the filter will approach the ideal
filter; but this also means that the impulse response will be longer and that the latency will increase. In
the illustration below “Filter order” you can see three analog filters (2nd, 4th and 8th order) and the
SIRIUS® filter (which is a combination of analog filter, oversampling and digital filter). Note, that filters
with higher order have a sharper damping around the filter frequency:
Filter order
SIRIUS
®
V20-1 268 / 336

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DEWESOFT SIRIUS Series Specifications

General IconGeneral
CategoryData Loggers
ManufacturerDEWESOFT
SeriesSIRIUS
Resolution24-bit
InterfaceUSB, EtherCAT
SoftwareDEWESoft X
ChannelsExpandable
Sampling RateUp to 200 kS/s per channel
Input TypesVoltage, Current, IEPE, Strain, Thermocouple, RTD, Resistance, Digital, Counter
Input Voltage Range±10 V, ±200 V
IsolationChannel-to-channel and channel-to-ground
ConnectivityEthernet, USB
Operating Temperature-10 °C to +50 °C
Storage Temperature-20 °C to +70 °C
Power Supply10 to 30 V DC
DimensionsVaries depending on module configuration
WeightVaries depending on module configuration
Analog InputsYes, depending on module configuration

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