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| Technical Specifications |
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NESS H200 Hand Rehabilitation System Technical Specifications |
| Type of Electrical Stimulation |
Constant voltage, biphasic symmetrical pulse. |
| Microprocessor-controlled automatic operation |
Single current source multiplexed among five surface Electrodes on the Orthosis. |
| Dimensions and weight |
Control Unit (incl. Batteries)
3.6 x 1.6 x 6.8 (in.), 0.83 lb.
9.1 x 4.0 x 17.2 (cm), 377 gm.
Orthosis Medium and Small
3.5 x 3.0 x 10.8 (in.), 0.72 lb.
8.9 x 7.7 x 27.5 (cm), 325 gm.
Orthosis Large
4.2 x 3.7 x 12.0 (in), 0.87 lb.
10.7 x 9.5 x 30.5 (cm), 396 gm. |
| Battery |
9.6 V Rechargeable Nickel-Metal-Hydride.
Holds 280mAH charge, giving 15 hours continuous operation
at typical power. |
| Charger |
AC Adapter, Class 2 Transformer,
Input: 100-240 VAC, 50-60 Hz. |
| Battery Indicator |
Charge Indicator.
Battery low visual display and audio beep warning. |
10 selectable stimulation
intensity levels |
Push-button adjustment of pulse intensity.
Ramp up - ramp down in all Modes. |
7 selectable operating Modes
Carrier wave |
Personal (pre-set program or personalized), ExerciseF,
Open-ExerciseF, Grasp-ExerciseF, OpenF, Grasp & Key.
Wave form: Sinusoidal, balanced, no DC component.
Frequency: 11 kHz.
F=Fast speeds available |
Stimulation pulse burst
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Personal, Exercise, Open-Exercise, Grasp-Exercise and Open Modes:
Duration: 10 levels from 0.01 mS to 0.35mS.
Frequency: 36 Hz.
Grasp and Key Modes:
Duration: 10 levels from 0.01 mS to 0.5 mS.
Frequency: 18 or 36 Hz.
Pulse Voltage and Current (all Modes):
115V rms; 58 mA rms, at 2kΩ load.
75V rms; 150 mA rms, at 500Ω load.
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| Average parameters |
Maximum voltage:
1.46V rms at 2kΩ load (Exercise Mode).
Maximum current:
1.9 mA rms at 500Ω load (Exercise Mode). |
| Maximum power |
0.13 Watts at 500Ω load (Exercise mode). |
| Automatic shutdown |
Exercise, Open-Exercise and Grasp-Exercise Modes:
90 minutes.
Open, Grasp, and Key Modes: 45 minutes.
Personal Mode: programmable up to 99 minutes. |
| Classification |
Internally powered, Type BF, Continuous operation. |
| Transport and storage |
-20° C to 60° C (-4°F to 140°F) ambient temp.
10% to 85% relative humidity.
500hPa to 1060hPa atmospheric pressure. |
| Operating |
5°C to 40°C (40°F to 105°F) ambient temp.
10% to 85% relative humidity. |
