®
®
13
J. Contact resonance in acceleration measurement :
(Measured with FFT Signal analyzer)
Frequency (Hz)
LO range/ HI range
Without probe
With probe “S”
With probe “L”
Response (db)
15
10
5
0
5
0
-5
-10
5
0
-5
-10
-15
-20
200
400
600
800
1K
14
Frequency (Hz)
LO range/ HI range
Without probe
With probe “S”
With probe “L”
Response (db)
15
10
5
0
5
0
-5
-10
5
0
-5
-10
-15
-20
5K
10K
15K
20K
25K
VI. MAINTENANCE :
A. Replacement and upkeep of battery :
1. After power on, if an icon appears on the LCD, you need to
replace the battery immediately, for details please refer figures
and contents on page 9 of this manual.
2. Remove the battery from the unit if it is not required for extended
period of time in order to avoid damage to the battery
compartment and the erosion resulting from a battery leakage.
