Enraf Nonius Eltrac 471, Руководство по эксплуатации, Страница: 31 / 70

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CHAPTER 8 - SPECIFICATIONS
8.1. Product specifications
Types of therapy : Static traction, Intermittent traction.
Traction force, minimum : 15 N continuously adjustable.
Traction force, maximum : 900 N continuously adjustable.
Treatment time : 1-60 minutes, in steps of 1 minute.
Intermittent traction:
Changeover speed
: Choice of 10 levels.
Hold time, base force : 0-60 s., 0-10 s in 2-s steps, 10-60 s in 5-s steps.
Safety:
• Electronic monitoring of traction force.
• Mechanical maximum force limitation.
• Patient stop switch.
• Selection of forces >200 N.
8.2. Technical data
Mains supply : 230 V / 50 - 60 Hz.
Max. permissible variation : +/- 15%.
Max. current consumption : 0.22 A (230 V).
Mains fuses : 2 x T0.315AH250V
Medical device classification : IIb (according to Medical Device Directive (93/42/EEC)
Safety class : I type B, according to IEC 60601-1.
Earth resistance : Typically 0.12 Ohm. (IEC requirement < 0.2 Ohm).
Earth leakage current*) : Typically 25 µA (IEC requirement < 500 µA).
Earth leakage current
under single fault condition
: Typically 50 µA (IEC requirement < 1000 µA).
Dimensions : 31 x 27 x 16 cm (w x d x h).
Weight : 12 kg.
Environment conditions for transport and storage
Environment temperature
: -10° till +70° C
Relative humidity : 10 till 90 % (not condensing)
Atmospheric pressure : 500 till 1060 hPa
Environments conditions for normal use
Environment temperature
: 10° till 40° C
Relative humidity : 10 till 90 % (not condensing)
Atmospheric pressure : 500 till 1060 hPa
Classification
Medical class IIb
This equipment complies with all essential requirements of the Medical Device Directive
(93/42/EEC).
Safety class I (IEC 60601-1)
The unit is equipped with a safety earth and must be connected to a mains plug with earth
contact.
Type B
The leakage current and safety earth correspond to standard IEC 60601 -1.
*) USA AND CANADA ONLY:
Earth leakage current: < 100 µA
Technical modifications reserved
I