Manual
Weld Seam Detection System R4000 SND40
for Tubes, Cans and Drums
B0059001 / Rev. 2.3
Technical records
ROLAND ELECTRONIC GmbH · Otto-Maurer-Str. 17 · DE 75210 Keltern · Phone +49 (0)7236-9392-0 · Fax +49 (0)7236-9392-33
165
11.4 Other informations
Evaluation criteria for round material
Setup mode
Message
Signal-to-noise ratio
For filter SAF following:
PM version V12
KM version 1.15
very good
>18dB ( >8:1 )
>24dB ( >16:1 )
good
>12dB ( >4:1 )
>18dB (>8:1 )
satisfactory
>3,5dB ( >1,5:1 )
>9,5dB ( >3:1 )
not possible
<=3,5dB ( <=1,5:1 )
<=9,5dB ( <=3:1 )
Detection grade for round material
Automatic mode
Detection grade
Signal-to-noise ratio
ultra
>18dB ( > 8:1 )
extra
>12dB ( > 4:1 )
very good
>6dB ( > 2:1 )
good
>2,5dB ( > 1,33:1 )
satisfactory
>1,1dB ( > 1,14:1 )
Typical gain values for NS9/12-EC…NT10-100-S sensors
Frequency
AC gain
6kHz
44dB
12 kHz
38dB
25 kHz
32dB
50 kHz
26dB
100 kHz
20dB
400 kHz
26dB
800 kHz
32dB
Pos: 128 /Kapite lübe rsicht/08. Bestellda ten @ 0\mo d_1121422152468_501.do cx @ 516 @ 1 @ 1