SPECIFICA
TIONS
ULTRASONIC
GENERATOR:
Input: 120VAC, 60Hz, 0.5 amperes maximum. (Other voltages are available.)
Frequency: 1.0 MHz
± 5%
Pulse repetition rate: 100 Hz
± 20% (PULSE MODE)
Pulse duration: 2 msec
± 20% (PULSE MODE)
Temporal Peak/Average intensity ratio: 5
± 20%
Indication accuracy:
± 20% (for any level above 10% of maximum.)
Output:
The
output
waveform incontinuous or pulsed as programmed by the
front panel control. In the pulse mode the 1.0 MHz is square wave
pulse modulated.
The
power level is adjusted by varying the pulse
amplitude.
The
pulse waveform is shown below:
In
the
continuous
mode
the power is on all the time
the
timer is running.
The
continuous mode waveform is shown below:
i
, I
ULTRASONIC
APPLICATOR:
Piezoelectric disc:
The
output
transducer utilizes a barium titanate
piezoelectric disc with an especially
coated
face.
Frequency: 1.0 MHz
± 5%
Effective Radiating Area:
10 em" ± 20%
Beam
type: Collimating
Maximum
beam
non-uniformity ratio: 6:1
Spatial Pattern:
The
applicator produces a collimated (cylindrical) beam
with an area of 10 cm
2
as measured 5 mm from the ceramic disc surface
when the radiation is emitted into the equivalent of an infinitemedium of
distilled, degassed water 300 C,
and
with line voltage variations in the
range of
± 10% of the rated value.
2
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