ALTANA Pendulum Hardness Tester Manual - Handbuch (Seite 15)

14
Control elements and operation
5. Control elements and operation
5.1. Control elements
Four buttons to control the instrument sit on the
front panel
start/stop
signal
modus
enter
To prepare a measurement fi rst choose the
appropriate method by pressing the ”mode“
button: four settings are available:
• Persoz 4° time
• Koenig 3° osc.
• No Std. 4° osc.
• No Std. 3° time
According to the standards for
• Persoz: oscillation time in seconds
• König: number of oscillations
The combinations
• 4° amplitude / number of oscillations and
3° amplitude / oscillation time are not defi ned
in the standards.
• The selected method is confi rmed by pressing
the ”enter”-button.
• Move the pendulum with the displacement arm
to the starting position.
• Press the wire release to hold the pendulum in
position
• Press “Start/Stop“- button, an asterisk appears
on the display and the red LED lights up
(no air draft or vibration from now on)
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