User manual

Recycling
- This symbol means that this product shall not be disposed of with
normal household waste (2012/19/EU) (Fig. 10).
- Follow your country's rules for the separate collection of electrical
and electronic products. Correct disposal helps prevent negative
consequences for the environment and human health.
Specifications
Model HF3421, HF3420
Electrical
Rated input voltage adapter 100-240 Vac
Rated input frequency adapter 50/60 Hz
No-load power adapter < 0.1 W
Rated output voltage adapter 9 Vdc
Rated output power adapter 10 W
Standby power appliance < 0.25 W
Classifications
Medical device classification IIa
Insulation class adapter II
Ingress of an object and water IP51 (main unit only)
Mode of operation Continuous
Operating conditions
Temperature from +5°C to +35°C
Relative humidity from 15% to 90% (no
condensation)
Storage and transport conditions
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