G.R.A.S. 67SB, Instruction Manual, Page: 12 / 14

12
LI0056 – Revision 28 May 2015
Technical Specifications
Typical Performance
The following diagram demonstrates the time domain of an impulse as measured by the
67SB. The peak measurement of 6000 Pa in this example is approximately 170 dB.
-2000
-1000
0
1000
2000
3000
4000
5000
6000
7000
0 1 2 3 4 5 6
Ma
gnitude [P
a]
Time [ms]
Time Domain of Impulse
67SB
Dimensions and Data
Probe Dimensions
Length 410
Diameter 35
Threads
Protection Grid M3.175 x 0.2
Blast probe mounting ¼” thread
Weight
67SB only 650 g
67SB with case 2750 g
Fig. 12. Typical performance, time domain response of 170 dB impulse.