Acoustic Output Reporting Table(61157-2007) 
 
F-2  
F.2  65C15EA 
Mode 
Parameter 
B M B+M 
System settings 
Standard used: IEC 61157 Ed2 
Display depth4.31cm 
focus 2.5cm AP100%
Display depth4.31cm 
focus 2.5cm AP100%
Display depth4.31cm 
focus 2.5cm AP100%
p
r
 (MPa) 
2.27±0.37 2.27±0.37 2.27±0.37 
I
spta
 (mW/cm
) 
2.31±0.76 56.18±18.53 58.47±19.29 
I
ob
 (mW/cm
) 
13.89±4.57 2.41±0.79 13.40±4.42 
Power output (mW) 
8.53±0.46 1.48±0.08 8.23±0.47 
Output beam dimensions 
a
 () 
(mm)
 
8.84 8.84 8.84 
Z
p
(mm) 
1.66±0.25 1.66±0.25 1.66±0.25 
w
12
 (| |) (mm) 
1.02±0.13 3.69±0.13 1.02±0.13 
w
12
 (⊥) (mm) 
0.60±0.13 2.80±0.13 0.60±0.13 
f
awf
 (MHz) 
6.40±0.16 6.40±0.16 6.40±0.16 
prr (KHz) 
- 1,000.00±1.00 1,000.00±1.00 
srr (Hz) 
45.00±1.00 - 16.00±1.00 
Z
tt
 (mm) 
1.15 1.15 1.15 
Z
ts
 (mm) 
contact contact contact 
Acoustic output freeze 
Yes Yes Yes 
Inclusive modes 
- - - 
a:    Deq ,equivalent aperture diameter,in IEC60601-2-37