Activeforever Mettler Sys*Stim 294 4-Channel Neuromuscular Stimulator User Manual
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Treatment Timer:
Treatment time counts down to zero when a time is set, or up
to 60 or 30 minutes when no time is set. The digital timer
indicates time in minutes and seconds. The timer also
indicates the remaining or elapsed treatment time during the
“Hold” period.
Waveform Specifications:
Interferential Mode
Figure 3.8—
Interferential Waveform
Waveform Type:
Sinewave
Polarity: None
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/cm²
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
Available Channels:
Channel pairs 1 & 2 or 3 &4
Premodulated Mode
Figure 3.9—Premodulated
Waveform
Waveform Type:
Amplitude modulated
sine
wave
Polarity: None
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/cm²