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Environment
General
1. It is not designed to be used in households
2. It is used in physical therapy rooms, doctor offi ces patient rooms, etc.
3. The device can be permanently damaged if dropped on a hard surface
– If dropped, the device should be checked for calibration accuracy
Conditions of visibility
1. Ambient luminance range: 100 lux – 1, 500 lux
2. Viewing distance: 20 cm - 40 cm
3. Viewing angle: normal to the display ± 20°
Physical
1. Temperature range: 10°C ~ 40°C (50°F - 104°F)
2. Relative humidity range: 10 % ~ 90 %
3. Ambient pressure range: 700 hPa - 1,060 hPa
Usage Time
1. No usage time limitations when connected using USB cable to PC for power
2. Continuous 45 hours of usage when using the charged battery for power
Mobility
1. Portable equipment for usage with patients
No additional training is required for the use of the device.
DHD-3 Digital Hand Dynamometer – General Information
