Sonics VC750 (Serial No. "X or lower)" - Manual (Page 16)

PULSER: By inhibiting heat build-up in the sample, the pulse function enables
safe treatment of temperature sensitive samples at high intensity. In addition,
pulsing enhances processing by allowing the material to settle back under the
probe after each burst. The ON and OFF pulse duration can be set independently
from .1 second to 9.9 seconds. During the OFF portion of the cycle, the red
indicator on the
PULSER key will illuminate. If the OFF portion of the cycle
exceeds two seconds, a cautionary message - CAUTION – PROBE ON
STANDBY – will warn the operator against touching the ultrasonic probe. To set
the pulser, press PULSER key.
The screen will display:
Pulse on __.__sec
Pulse off __.__sec
Using the numeric keys, set the ON portion of the cycle, and press the
ENTER/REVIEW
key.
The screen will display:
e.g.
Pulse on 2.5 sec
Pulse off __.__sec
Using the numeric keys set the OFF portion of the cycle.
The screen will display:
e.g.
Pulse on 2.5 sec
Pulse off 1.0 sec
Press the
ENTER/REVIEW key.
The screen will display:
TIME 5:30:25 TEMP __ __ °C
PULSE 2.5 : 1.0 AMPL 40 %
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