Standards And Reference Blocks - GE USM 36 Series Technical Reference And Operating Manual

5 Operation

Standards and reference blocks

CODE NAME BLOCK
11345A RB
11345B RB
11345C RB
4730 CSK IIA
4730 CSK IIA
4730 CSK IIIA
4730 CSK IIIA
4730 CSK IIIA
4730 CSK IVA
CUSTOM CUSTOM
5-112
Distance-amplitude curve according to JB/T4730 and GB 11345 (CNDAC)
Ø side-drilled hole (mm) Wall thickness test object (mm)RL (dB)
3
3
3
2
2
1
1
1
–
–
Issue 2 (12/2013)
– DAC
– DAC – 4
– DAC – 2
8 ... 46 DAC – 4
46 ... 120 DAC + 2
8 ... 15 DAC + 2
15 ... 46 DAC + 5
46 ... 120 DAC + 10
– DAC
– DAC
SL (dB) EL (dB)
DAC – 10 DAC – 16
DAC – 10 DAC – 16
DAC – 8 DAC – 14
DAC – 12 DAC – 18
DAC – 8 DAC – 14
DAC – 6 DAC – 12
DAC – 3 DAC – 9
DAC DAC – 6
DAC – 10 DAC – 16
DAC DAC
USM 36