US/50 User's Guide 39
Input Power Requirements
Line Voltage .............................. 120 Vac, 60 Hz
(Special voltages available on request)
Current .......................................................... 1 A
Line Leakage ........................................ < 50 µA
CSA Approved....... Risk Class 2G - LR91512
Ultrasonic Generator
(Complies with FDA Regulation 21 CFR
1050.10 and FCC Regulations)
Frequency ................................. 1.0 MHz ± 5%
Waveform..................... amplitude modulated
at 120 Hz ± 1%
Pulse Duration ................................ 8 ms ± 1%
Output Mode ................. variable interrupted
and non-interrupted
Output Power .............. 0 to 20 W total ± 20%
0 to 5 W/cm² ± 20%
Temporal Peak/Temporal
Average Intensity ......................... 2.8:1 ± 20%
Treatment
Timer....................... variable from 0 to 30 min
Timer Accuracy
< 5 min ± 1 min
5 to 10 min ± 10%
> 10 min ± 1 min
Applicator (Transducer)
Crystal Material ..................... barium-titanate
Applicator Beam Type .................. collimating
Frequency ................................. 1.0 MHz ± 5%
ERA ................................................ 4 cm² ± 20%
BNR..................................................... 5.5:1 max
Label Abbreviations
Mod.......................................... Model Number
Gen .................................. Generator, all Amrex
Ultrasound Models
F ......................................................... Frequency
Area................ Effective Radiating Area, ERA
Type (coll.) ..................................... Collimating
BNR..................... Beam Nonuniformity Ratio
Instrument
Overall Dimensions .............. 14½" W x 11" D
x 7" H
Weight (including transducer) ............ 14 Lbs
Shipping Weight .................................... 22 Lbs
Cleaning Instructions
1. Disconnect the power supply.
2. Use mild soap with a lightly moistened
cloth.
3. Air dry before using.
Specifications
Appendix A
AMPLITUDE MODULATED AT 120 Hz.
0.1 SECOND
0T
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