2022-07
file: spotwave_instructions_manual.docx
44 of 50
23.
spotWave Device Data Sheet
Electrical Properties
Electrical property
Specification
Input range
94 dB
AE
, 100 dB
AE
or 134 dB
AE
; input range is a hardware option
Typical system
noise
(
*
)
,
(20-500 kHz)
Input range
Peak Noise, A
n
Noise RMS
94 dB
AE
34.7 dB
AE
10.36 V
rms
100 dB
AE
38.9 dB
AE
15.36 V
rms
134 dB
AE
72.9 dB
AE
773.6 V
rms
Overvoltage
protection
Input ranges
Overvoltage Protection
94 dB
AE
, 100 dB
AE
±1 V
134 dB
AE
±50 V
(
*
)
Input terminated with 50 Ohm. A
n
is the peak noise as defined in EN 13477-2
Signal Processing Properties
Signal processing
Specification
Analogue pass band
filter
high pass: 20 kHz 2
nd
order; low pass 500 kHz 6
th
order
ADC
2 MHz at 16 bit
Application specific
filters
IIR pass band filter, Butterworth characteristic
Filter order
user configurable (0, 2, 4, 6, 8), default is 4
th
order
High-pass- / low pass
frequency
user configurable (1 - 1000 kHz)
Hit Detection and Processing
Hit detection
Specification
Detection threshold
software selectable, fixed during measurement
Hit discrimination
Burst signals are separated if Duration Discrimination Time expires without
detection of a threshold crossing
Hit cascade
separation
No hit cascading
Hit timeout
automatic termination of a hit if signal's duration exceeds 100 ms. An artificial
hit is started automatically after a hit timeout
