Products
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 GM304
2 CH IF, TENS and EMS combo 3 ( Interferential, Transcutaneous and Powered Muscle Stimulator Combo)
This series of device is the combination of IF, TENS and EMS with two-Channel electric stimulator for active treatment application, which is equipped with a Liquid Crystal Display indicating operation modes and parameters as well as an 8-bit micro computer for controlling the system.
GM304
TECHNICAL SPECIFICATIONS FOR “IF” (Interferential)
Channel: two, isolated between channels
Pulse intensity: Adjustable 0-90mA peak into 500 ohm load each channel, constant current
Carrier Frequency:4000Hz fixed (CH1)
Modulating Frequency:4004-4160Hz Adjustable (CH2)
IF Frequency Mode:Constant Mode (C): 4-160 bps, Adjustable. Auto Sweep (A): 80-145 bps, 4-45 bps, 4 Set bps. Frequency Shift (S): 1/1 abruptly shift, 6/6 abruptly shift, 6/6 ramped, 10/10 abruptly shift, 10/10 ramped
Sweep Time:15 seconds
Frequency Shift Percent:Frequency shifts from 30% below set frequency to 60% above and return to 30% below set.
Output Configuration:Quanta polar (4 electrodes)
Wave form: Symmetrical balanced Sine wave
Interference Pulse Freq: 4-160 bps, Adjustable 4 bps/step
Pulse Duration: 125μs maximum
Patient Compliance meter: Shows the treatment times, account by minutes
Patient Lock: Prevents the patient from changing any of the parameters set by the physician/practitioner.
Timer: 15 or 30 minutes selectable
LCD: Shows ,modes, bps rate, abrupt/ramp, timer and channels.
Max charge per Pulse: 22.5 Micro-coulombs Maximum
Power Source: 9V battery or 9-Volt adaptor
Tolerance: Except intensity with +/-20%, all others with +/-10%
**** bps: number of beats per second
TECHNICAL SPECIFICATIONS FOR "T/E" (TENS and EMS)
Channel: two, isolated between channels
Pulse amplitude: Adjustable 0-80mA peak into 500 Ω load each channel, constant current
Pulse Rate:1Hz-160Hz (adjustable), 1Hz/step
Pulse Width:50 - 260μs adjustable for TENS; 300μs fixed for EMS.
Software ramp up feature:Pulse width ramp up when change mode
Patient Compliance meter:Shows the treatment times. Account by minutes.
Timer:15, 30, 45, 60 minute or Continue selectable
LCD: Shows modes, pulse rate, on/off /ramp time, timer, CH1/CH2.
Function Modes:
TENS:
B: Cycle Bursts, 2Bursts/sec, 9pulses/Burst, 100Hz, width is adjustable.
C: Continuous mode. Pulse rate pulse width, and intensity are full adjustable.
M: Modulated Width. Pulse width is automatically varied in an interval of 6 seconds. The modulation range of pulse width is from setting value to 35% less than the control setting value. And then returns to the setting value. Rate, width and intensity are fully adjustable.
H1 (MR): Modulated Rate. Pulse rate is automatically varied in an interval of 6 seconds. The
modulation range of pulse rate is from setting value to 35% less than the control setting
value, then returns to the setting value.
H2 (MRW): Modulated Rate/width. Pulse rate and width are automatically varied in an interval of 6 seconds. The modulation range of pulse rate and width are from setting value to 35% less than the control setting, then returns to the setting value.
EMS:
S: Synchronous.
C: Constant.
A: Alternation.
ON Ramp: Adjustable 1-8 seconds. 1sec/step.
Cycle ON Time: Adjustable 1-30 seconds. 1 sec/step.
Cycle OFF Time: Adjustable 1-30 seconds. 1 sec/step.
Function Modes: S: Synchronous. C: Constant. A: Alternation.
Wave Form: Asymmetrical Bi-Phasic square pulse.
Max charge per pulse: 21 micro-coulombs for TENS; 24 micro-coulombs for EMS.
Voltage: 0-110 Volt (Open Circuit).
Power Source: 9V battery or 9-Volt adaptor
Except intensity with +/-20%, all electrical specifications are ±10% 500Ω load.
Dimension: Approx. 128 x 70 x 26 mm
Weight: Approx. 175 g (with battery)
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