Sys*Stim 228 (Advanced 2-Channel, Multi-Function)

Note: This product can only ship to a medical facility or requires a prescription.



The Sys*Stim 228 provides the flexibility to meet virtually any clinical need and has unprecedented ease of operation.

Features and Benefits

• Choose from a broad range of waveforms, including Interferential, Pre-modulation, Medium Frequency and Biphasic with adjustable phase duration and frequency.
• Additional versatility is provided by a selection of treatment modes that include Surge, Reciprocation, Surge with Reciprocation and Vector Rotation.
• Two-timer mode enables two separate treatment protocols to run simultaneously.
• Clinician can set on/off times, pulse width and frequency along with frequency modulation for some of the waveforms.
• Easy to navigate user interface.
• Bright color LED display.

Treatment Modes



Technical Specifications

General

• Input: 115 VAC ±10%, 50/60 Hz, 0.4 Amp Nom.
• Weight: 4.9 pounds
• Dimensions: 12.0 in (L) x 8 in (W) x 7.4 in (H)
• Operating Temperature: 50°F to 131°F (10°C to 55°C)
• Accuracy: ±5%
• Maximum Treatment Time: 60 minutes
• Current Indicator Range: 0-99 mA
• Current Indicator Accuracy: ± 2 mA

Interferential Mode

• Waveform Type: Sinewave
• Volts: 0–65 volts RMS, 1 Kohm load
• Current: 0–65 mA RMS, 1 Kohm load
• Average Current at Maximum Intensity and Frequency: 65 mA RMS
• Maximum Current Density Under 2′ Diameter Electrode: 3.2 mA/cmІ:
• Frequency:
  • Channel 1 = 4000 Hz
  • Channel 2 = 4000 to 4250
  • Hz variable frequency sine wave
• Frequency Modulation:
  • 1–15 Hz
  • 80–150 Hz
  • 1–150 Hz
  • xx–xx Hz (xx=any value from 1 to 250 Hz)
• Phase Duration: 125 µs
• Available Amplitude Modulation Options: Vector rotation
• Two Timer Option: No

Premodulated Mode

• Waveform Type: Amplitude modulated sine wave
• Volts: 0–50 volts RMS, 1 Kohm load
• Current: 0–50 mA RMS, 1 Kohm load
• Average current at maximum intensity and frequency: 50 mA RMS
• Maximum current density under 2′ diameter electrode: 2.5 mA/cmІ
• Frequency: 4,000 Hz
• Frequency Modulation:
  • 1–15 Hz
  • 80–150 Hz
  • 1–150 Hz
  • xx–xx Hx (xx=any value from 1 to 250 Hz)
• Phase Duration:
  • 125 µs internal sine wave
  • 4–1,000 ms beat envelope
• Available Amplitude Modulation Options: Continuous, Surge, Reciprocation
• Two Timer Option: Yes

Medium Frequency Mode

• Waveform Type: Burst modulated sine wave
• Volts: 0–50 volts RMS, 1 Kohm load
• Current: 0–50 mA RMS, 1 Kohm load
• Average current at maximum intensity and frequency: 50 mA RMS
• Maximum current density under 2′ diameter electrode: 2.5 mA/cmІ
• Frequency: 2500 Hz, Burst at 10 ms on and 10 ms off
• Frequency Modulation: No
• Phase Duration: 200 µs
• Available Amplitude Modulation Options: Continuous, Surge, Reciprocation
• Two Timer Option: Yes

Biphasic Mode

• Waveform Type: Symmetrical biphasic square
• wave
• Volts: 99 volts peak, 1 Kohm load
• Current: 0 –99 mA peak,
• 1 Kohm load
• Average current at
• maximum intensity
• and frequency: 7.2 mA
• Maximum current
• density under 2′
• diameter electrode: 0.36 mA/cmІ
• Frequency: 1–120 Hz
• Frequency Modulation: No
• Phase Duration: 50–300 µs
• Available Amplitude Modulation Options: Continuous,
• Surge,
• Reciprocation
• Two Timer Option: Yes

Warranty Information

• 2-year warranty