Maximum Hearing Levels Provided At Each Frequency; Physical Data; Equipment Classification - Siemens SD 270 Service Manual

5.2 Maximum hearing levels provided at each frequency

Frequency,
Hz
125
250
500
750
1000
1500
2000
3000
4000
6000
8000

5.3 Physical Data

Display:
Mains power:
Dimensions:
Weight:
Safety:
EMC:
CE mark:

5.4 Equipment classification

Type of protection against electric shock
Degree of protection against electric shock
Degree of protection against ingress of water
Mode of operation
Equipment mobility
The SD 270 Audiometer is classified as a Class IIa device under Annex IX
(Section 1) of the EU Medical Devices Directive. It is intended for use as a
diagnostic audiometer instrument
SM010-3 Siemens SD 270 Operating & Service Manual
Air conduction, dBHL
(DD45)
80
100
115
120
120
120
120
120
115
110
100
2 lines of 24 characters
100-240Vac; 50/60Hz; 0.25A
355mm long x 230mm deep x 100mm high
1.6kg
IEC 60601-1 (plus UL, CSA & EN deviations)
IEC 60601-1-2
To the EU Medical Device Directive
Bone conduction, dBHL
(B-71)
-
45
60
65
70
70
70
70
70
50
40
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ClassII mains adapter
Type B applied part
Not protected
Continuous operation
Portable
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