Hydac HMG 3010 User Manual download pdf (Page 48)

HMG 3010 Page 48

Edition 11/2011 - V04 R01 Part No.: 669855

The next setting parameter for recording a

triggered measurement curve is Pre/post

trigger. After starting a triggered measure-

ment curve the HMG begins to record the

measured values for the recording time set

(e.g. 30 seconds). If the trigger event does

not occur during this time, the oldest meas-

ured values are replaced with new measured

values in the measured value memory. This

means that you always have the set re-

cording time as the "past" in the measured

value memory.

The Pre/post trigger option enables you to

specify how much of this "past" is to remain

in memory when the event occurs and how

much "future" you would like to record after

the event.

A Pre/post trigger setting of 50 / 50%

means that for a recording time of 30 s the

"oldest 15 s" are discarded, 15 s remain be-

fore the occurrence of the event, and re-

cording is done for another 15 s after the

trigger event occurs.

With Automatic mode you define whether

you wish to make just one recording (Deac-

tivated) or whether, after recording one

measurement curve, another curve is to be

recorded using the same settings (Acti-

vated). For a Simple triggered measure-

ment, select the Deactivated automatic

measurement option.

Zoomed area

With the "zoomed area", an additional dis-

play area can be created during the re-

cording in the graphic mode.

In other words, with the Magnifier setting,

the x-axis is scaled to the time span preset in

this menu point (5 seconds / 10 seconds).

(The setting options for the zoomed area are

dependent on the preset sampling rate and

the specified recording time.)

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