Siemens SD 270 - Maximum Hearing Levels by Frequency; Physical Data and Dimensions

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5.2 Maximum hearing levels provided at each frequency
Frequency, Hz Air conduction, dBHL
(DD45)
Bone conduction, dBHL
(B-71)
125
80 ‒
250
100 45
500
115 60
750
120 65
1000
120 70
1500
120 70
2000
120 70
3000
120 70
4000
115 70
6000
110 50
8000
100 40
5.3 Physical Data
Display: 2 lines of 24 characters
Mains Power: 100 – 240 Vac; 50/60Hz; 0.25A
Dimensions: 355mm long x 230mm deep x 100mm high
Weight: 1.6kg
Safety: IEC 60601-1 (plus UL, CSA & EN deviations)
EMC: IEC 60601-1-2
CE mark: To the EU Medical Device Directive