Mettler Electronics Corp.— Rev.J_09/13/17
56
Medium Frequency Mode
Figure 9.9—Medium Frequency
(Russian) Waveform
Waveform Type: Burst 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
Frequency: 2500 Hz, Burst at
10 ms on and 10 ms off
Frequency Modulation: No
Phase Duration: 200 s
Available Amplitude
Modulation Options: Continuous
Surge
Reciprocation
Available Channels: All
9.5 Amplitude Modulation Specifications:
Vector rotation: Interferential Mode Only,
-50% amplitude modulation in
anti phase with an eight second modulation period.
Surge Mode: Premodulated and Medium Frequency
Up ramp: 3 seconds
Down ramp: 2 seconds
Preset on/off times: 5 seconds on, 5 seconds off
10 seconds on, 10 seconds off
10 seconds on, 30 seconds off
10 seconds on, 50 seconds off
Reciprocation mode: Premodulated and Medium Frequency
Up and down ramps: 1 second, reciprocation only
Reciprocation time: 2–240 seconds, (On time = off time)
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