Sonics VC750 (Serial No. "X or lower)" - Manual (Page 17)

REVIEW: The REVIEW function provides a “window” on the process by displaying
various operating parameters without process interruption. Pressing the
ENTER/REVIEW key repeatedly during processing will consecutively display the
following information.
a) Selected amplitude:
e.g. Amplitude Control 40%
b) Set processing time and elapsed processing time:
e.g. Set 5:30:25 Time 0:57:03
c) Selected pulsing cycle, and actual pulsing cycle:
e.g. Pulse 2.5 1.0/1.5 .5
d) Amount of power in watts, and accumulated amount of energy in JOULES delivered to the
probe:
e.g. 20 watts 0000000 Joules
e) Elapsed time since processing was initiated:
e.g. Elapsed time 1:27:33
NOTE
The amount of energy displayed will be only for one cycle. Initiating a new cycle
will reset the display to zero.
IMPORTANT
Proper care of the probe is essential for dependable operation. The intense cavitation will,
after a prolonged period of time, cause the tip to erode, and the power output to decrease
without showing up on the wattmeter. The smoother and shinier the tip, the more power will
be transmitted into the sample. Any erosion of the probe tip will increase the rate of future
erosion. For that reason it is recommended that after every 5 or 6 hours of use the tip be
examined, and if necessary, polished with emery cloth or an abrasive wheel. Since the probe
is tuned to vibrate at a specific frequency, it is most important that only the contaminated
surface be removed. This procedure can be repeated as long as the wattmeter reads less than
20 watts with the probe out of the sample, when the AMPLITUDE control is set at 100. If
the wattmeter reads over 20 watts the probe or replaceable tip should be replaced with a ne
one.
w
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