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1. Technical data
Type: Stimuplex® HNS 12
Instrument type: BF
Battery: 9 V (alkaline)
Power consumption: 6 mA (8 mA maximum)
Stimulation current:
= 5 mA (maximum) (0-12 kΩ)
Stimulation voltage: U
^
= 95 V (maximum)
Stimulation frequency: 1 Hz / 2 Hz +/- 1%
Stimulus duration:
0.05 ms – 0.10 ms – 0.30 ms – 0.50 ms – 1.00 ms +/- 1%
Allowable load impedance: 0 kΩ – 12 kΩ
Current measuring accuracy: +/- 0.02 mA
Impedance measuring range: 1 kΩ – 90 kΩ for target stimulation current > 0.5 mA
Impedance measuring accuracy: +/- 10 % for stimulation current > 1 mA
+/- 20 % for stimulation current <= 1 mA
Sound pressure level: 51 dB / 54 dB / 63 dB for stimulation/warning/ error
Weight: 250 g
Ambient conditions during operation: 0 – 50 °C, maximum 90 % relative humidity,
no condensation
1.1 Battery
The battery charge status must be checked regularly (MENU info = state of charge indicated in
“percent” and “volt”). Whenever the battery symbol is flashing, the current application can be com-
pleted without problems, but the battery should be replaced afterwards.
Please do not replace the battery when the device is switched on. This may damage the LCD
display.
If the voltage is less than 6.00 V, an error message will be displayed and the device will switch off
automatically. Replace battery.
If the Stimuplex® HNS 12 nerve stimulator is not intended to be used for a long period of time, the
battery must be removed to prevent leakage.
The battery compartment is located in the base of the nerve stimulator. When installing the battery,
ensure correct polarity and that the battery contacts are not pressed too tightly together to ensure
solid contact.
Only use 9 V alkaline manganese batteries – e.g. VARTA 4922, DURACELL MN 1604.
These will provide you with an optimum operating time.
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