ACO 3233 - Page 43

5
Measurement of vibration acceleration level (Lva)
Other operations for selecting
Lva
with the [
Lv, Lva
] key at the vibration level during frequency
correction Flat are completely the same as the measuring operation for vibration level Lv in the
previous section.
1) Switch the screen into the normal screen display with the [
View
] key.
2) Select the channel to be set with the [
X, Y, Z
] key.
3) Select the range in [▲][▼] direction with the Range key and set with the Range key.
4) Set so that the measurement mode display becomes
Lva
display with the [
Lv
,
Lva
] key and
[
Mode Leq･Lx
] key.
5) Likewise, change the channel with the [
X, Y, Z
] key to set.
6) After setting, the vibration level in each channel can be measured with the [
X, Y, Z
] key.
Measurement of power average level (Lveq)
When
Lva
is selected with the [
Lv, Lva
] key and the same measurement is performed, a power
average of vibration acceleration is obtained.
1) Switch the screen into the normal screen display with the [
View
] key.
2) Select the channel to be set with the [
X, Y, Z
] key.
3) Select the range in which approx. 2/3 of the bar display is colored with the [
Range
] key and
cursor key [▲][▼], and set with the [
Range
] key.
4) Select the
Lv
with the [
Lv, Lva
] key, and set with the [
Mode Leq･Lx
] key so that the
measurement mode display becomes
Lveq
. (In a case of vibration acceleration, Lvaeq is
displayed)
5) Set the time to call up a power average with the [
Meas. Time
] key.
6) Start measurement with the [
Start･Stop
] key. When the [
Start･Stop
] key is inputted, the data
at that time is calculated and displayed. (When the [
Pause
] key is inputted, measurement is in
a temporary stop state, and when the [
Pause
] key is pressed again, measurement starts)
7) When checking the three channels simultaneously, switch to 3ch screen display with the [
View
]
key.
50 110
1s 000h00m00s
Z
LV
dB
100.0
Manu
1)
2), 5), 6)
3)
3)
4)
4)
2), 5), 6)
3)
4)
50 110
1s 000h00m00s
Z
LV
dB
100.0
Manu
1)
2), 5), 6)
3)
3)
4)
4)
2), 5), 6)
3)
4)