MSI MSI-8000HD Manual del usuario - Página 17

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MSI MSI-8000HD Manual del usuario

3.5 Peak Hold

Peak Hold automatically updates the display when a higher peak weight reading is
established.
The Peak Hold function uses a high speed mode of the A/D converter (220 samples)
allowing it to capture transient loads at a far higher rate than typical Dynamometers.
Peak hold is cleared and re-enabled with the
detected, the Fx LED will flash three times. The accuracy of the system in Peak Hold
mode is slightly reduced to .2% of Capacity + 5d. The Filter setting is turned off while
in Peak Hold mode to ensure the fastest acquisition rate.
Example
The Peak Hold function is useful in "Dynamic" and "Fall" tests. Common tests
include "Overall Breaking Strain" (OB€), Breaking Force, and Cycled Breaking
Strain.

3.5.1 Capture Peak Force

1)
Program a function key to Peak
Hold (P-Hld)
In this example we'll use
Hold.
2)
Prepare the test stand and test
sample.
3)
Press
ZERO
residual strain on the link.
4)
Press
F1 PkHold
the "Pk" annunciator is on.
A small jump in the reading may occur
depending on the stability of your test
device.
5)
Apply the test force. The F1 LED
will blink three times when a
new peak value ID is detected.
6)
When the force is removed,
the Peak value can be recorded.
7)
To run a new test, press
F1 PkHold
Value. Confirm the "Pk"
annunciator is off. Then repeat
steps 3-6.
F1
for Peak
to zero out any
Confirm that
to clear the Peak
Figure 0-1. Capture Peak Force
Key. When a new peak is
Fx-Peak Hold
0
ZERO
F1
Peak Hold
Example Peak Captured Value
F1
Peak Hold
User Defined Function Keys
M
Ton
kg
kN
M
Ton
kg
kN
lb
Pk
M
Ton
kg
kN
M
Ton
kg
kN
lb
Pk
Ton
M
kg
kN
M
Ton
kg
kN
lb
Ton
M
kg
kN
M
Ton
kg
kN
lb
Peak Cleared Value
lb
lb
lb
lb
13