User's Manual

45
APPENDIX A:
Technical Specifications
REM specifications
REM classification
Real Ear Measurement system, class 2a (MDD 93/42)
REM GENERAL SPECIFICATIONS
Frequency range
125 Hz – 12 kHz
Reference microphones
measurement range
40 – 110 dB SPL
Probe microphones
measurement range
40 – 130 dB SPL
Stimulus intensity at 1 m
50 dB SPL – 90 dB SPL, steps of 5 dB (+/- 3 dB)
Equalization method
Modified Pressure Method with Concurrent
Equalization (Stored Equalization for open fitting)
Analysis
1/3 – 1/24 octave bands (selectable by the user)
Probe tubes
Silicone: nominal diameter 1 mm, nominal length 80
mm
SIGNALS AVAILABLE FOR REM
Type
ICRA
•
ISTS
•
The rainbow Passage
•
Speech
•
Assorted ambient sounds
•
Freq. lowering-s
•
Freq. lowering-sh
•