IEC 61266:1994
Current
The latest, up-to-date edition.
Ultrasonics - Hand-held probe Doppler foetal heartbeat detectors - Performance requirements and methods of measurement and reporting
Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users
English - French, Spanish, Castilian
15-12-1994
FOREWORD
INTRODUCTION
Clause
1 Scope
2 Normative references
3 Definitions
4 List of symbols
5 Configuration
6 Performance
6.1 Acoustic working frequency
7 Safety
8 Tests
8.1 Acoustic working frequency
8.2 Output power
8.3 Spatial-peak temporal-peak acoustic pressure
8.4 Effective area of the ultrasonic transducer
active element
8.5 Overall sensitivity
9 Preferred method for reporting performance of
existing equipment
10 Specifications for labelling
11 Sampling
Figures
Annexes
A Choice of target and determination of target
plane-wave reflection loss
B Typical test equipment and test procedures
C Determination of the two-way insertion loss of
acoustic attenuators
D Rationale
E Bibliography
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