DEWESOFT SIRIUS Series User Manual

/
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  

DEWESOFT SIRIUS Series Specifications

General

Category	Data Loggers
Manufacturer	DEWESOFT
Series	SIRIUS
Resolution	24-bit
Interface	USB, EtherCAT
Software	DEWESoft X
Channels	Expandable
Sampling Rate	Up to 200 kS/s per channel
Input Types	Voltage, Current, IEPE, Strain, Thermocouple, RTD, Resistance, Digital, Counter
Input Voltage Range	±10 V, ±200 V
Isolation	Channel-to-channel and channel-to-ground
Connectivity	Ethernet, USB
Operating Temperature	-10 °C to +50 °C
Storage Temperature	-20 °C to +70 °C
Power Supply	10 to 30 V DC
Dimensions	Varies depending on module configuration
Weight	Varies depending on module configuration
Analog Inputs	Yes, depending on module configuration