RFB-2000 Radiation Force Balance
Designed specifically for easy Ultrasound Power measurements on medical devices, the RFB-2000 requires little maintenance and no complex correction factors, and is compliant with regulatory requirements including AIUM-NEMA UD-2, UD-3, IEC 61161, and with associated IEC standards. Automation assures reliable means to validate Acoustic Output measurements as recommended by AIUM-NEMA document UD-2.
Features
- Transparent, top-loading configuration
- No membrane or coupling gel required
- Unaffected by water evaporation
- Can be user-calibrated to a standard mass
- Automatic temperature correction
- Accommodates a variety of targets
- Selectable averaging to optimize measurement time and precision
- Automatic and manual measurement modes
- Automated logging of configuration, cal and measurement data
- Three means for automatic control of user equipment
- Includes calibration certificate based on acoustic power
- USB interface, optically isolated, Win XP compatible
Performance Specifications
- Power Ranges (selectable): 1 mW* to 2W with standard absorbing target, up to 20W (RFB-CTK) and up to 100W** (RFB-BTK)
- Display Resolution: >4 digits
- Typical measurement uncertainty*: <5% at 95% confidence level
- Measurement Cycle Time: default 4s (15 measurements per minute)
- Noise (Std. Dev. for N=1): <3 mW
- Maximum beam diameter: 5 cm
- Low Frequency Limit: 1 MHz (usable at lower frequency with decreased accuracy)
- Weight (Tank & Stand) - 7.5Kg plus 6.5Kg water maximum
* Extended averaging may be required, depending on local vibration and power level
** Depending on beam parameters
Options
- Brush target for HIFU - Up to 100W (RFB-BTK)
- Cone target kit for Physiotherapy - Up to 20W (RFB-CTK)
- Vacuum lid for in-tank degassing (RFB-VLK)
- Water-compatible vacuum pump accessory available.
- RFB-MSK – Mask Kit – for Thermal Index (1cm slit)
Specifications are subject to change without notice.
Ultrasound Radiation Force Balance Setup Schematic
