Audioscan RM500SL Manual de usuario Pagina 4
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RM500 SL
H
earing Instrument Fitting System
Fit Counsel Verify
Specifications
P.C.Werth Limited, Audiology House, 45 Nightingale Lane, London SW12 8SP
THE UK’S LEADING SOURCE OF AUDIOLOGICAL INSTRUMENTS
SPECIFICATION CAN BE SUBJECT TO CHANGE WITHOUT NOTICE
General
O
verall dimensions.................................................................................15.5”x12.75”x4.25”
W
eight............................................................................................................................15lb
Display type.........................................................................fluorescent backlit active colour
Display size.....................................................................................................12.1˝ diagonal
R
esolution...................................................................................................800x600 (SVGA)
P
rinter type...............................................................................................thermal line printer
Printer resolution ......................................................................................200 dots per inch
P
aper width.........................................................................................................3” (80 mm)
P
ower Amplifiers.................................................................................................................2
Stimulus channels...............................................................................................................2
Measurement channels.......................................................................................................1
C
onnectors.................................................................................................................1 USB
......................................................................1 Ethernet (RJ45)
...................................................................1 RS232 serial (9D)
.......................................2 auxiliary audio outputs (1/4" mono)
................................................1 RECD transducer (3.5mm st)
.
..........................................1 test chamber ref mic (3.5mm st)
.
...........................................1 coupler microphone (3.5mm st)
.................................................1 battery substitute (3.5mm st)
........................................................1 real-ear mics (3.5mm st)
Probe Microphone Measurement
Speakers.............................................................................................................1 x 2” x 3”
Probe microphone tube...............................................Silicone 1.0 mm diameter x 75 mm
Probe microphone noise floor .................................................(200-8000 Hz):<45 dB SPL
Frequency range..............................................................................................200-8000Hz
Test Stimuli frequency-modulated tone, tone-burst, pink noise, calibrated speech
Frequency modulation..................................................................triangular +/-5% at 36 Hz
Test stimulus level for tones....................................................40-85 dB SPL in 5 dB steps
Test stimulus accuracy at reference mic. for tones (200 - 2000 Hz).............+/-1.5 dB SPL
Test stimulus accuracy at reference mic. for tones (2000 – 8000 Hz)..........+/-2.5 dB SPL
Equalization method..................................................................................pressure method
Analysis frequencies per octave (tones)...........................................................................12
Analysis bandwidth (speech, noise).....................................................................1/3 octave
Measurement accuracy at 1 kHz.............................................................................+/- 1dB
Measurement accuracy re 1 kHz
.........................................................................................................+/- 1 dB (200-5000Hz)
....................................................................................................+/- 2.5 dB (5000-8000Hz)
Battery drain resolution.........................................................................................+/-.01 mA
Measurement range............................................................20-135 dB SPL (200-2500 Hz)
..........................................................................................30 -140 dB SPL (2500-8000 Hz)
Other tests available
Real-ear harmonic distortion
Real-ear spectral analysis
Manual measurement of output, gain and distortion
Fitting methods available
Speechmap with DSL, NAL-NL1
Insertion gain with NAL-RP, NAL-NL1
Fig 6, Pogoll, Berger, Libby
HIT Chamber
W
orking space.............................................................................................8.8”x 3.5”x 1.5”
T
est box isolation @ 1kHz..........................................................................................>25dB
Speaker.....................................................................................................................1-2”x3”
Induction coils
.
...............................1 Telephone Magnetic Field Simulator (TFMS ANS1 S3.22 - 2003)
B
attery simulator...............................................................................per ANSI S3.22 - 2003
Frequency range............................................................................................200 - 8000 Hz
Coupler microphone noise floor............................................(200 – 8000 Hz): <40 dB SPL
T
est stimuli..........................................................tone, pink noise, calibrated or live speech
Test stimulus levels..........................................................40 to 90 dB SPL in 5 dB steps
Test stimulus levels (inductive).......................................31.6mA/m per ANSI S3.22 - 2003
T
est stimulus distortion
.
.........................................................................................................<2% at 90 dB SPL
.
......................................................................................................<0.5% at 70 dB SPL
T
est stimulus accuracy at reference mic for tones (200-2000 Hz)................+/-1.5 dB SPL
T
est stimulus accuracy at reference mic for tones (2000-8000 Hz)..............+/-2.5 dB SPL
Equalization method..................................................................................pressure method
Analysis frequencies per octave........................................................................................12
A
nalysis filter bandwith.......................................................................................1/12 octave
Measurement accuracy at 1 kHz............................................................................+/- 1 dB
Measurement accuracy re 1 kHz
...................................................................................................+/- 1 dB (200-5000 Hz)
..............................................................................................+/- 2.5 dB (5000-8000 Hz)
Measurement range..................................................................................30 - 140 dB SPL
Harmonic distortion measurement..........................................2nd and 3rd or 2nd plus 3rd
Harmonic distortion range.............................................................................200 - 4000 Hz
Harmonic distortion accuracy.....................................................................................+/-1%
Battery drain range...............................................................................................0 - 20 mA
Battery drain accuracy...............................................................................................+/- 5%
Battery drain resolution........................................................................................+/-.0.1 mA
Full-on Gain
Reference Test Gain
Frequency Response
Frequency Range
Maximum OSPL90
Harmonic Distortion
Attack & Release time
Equivalent Input Noise
Input/Output Curves
Coupler SPL – Telephone Simulator
Simulated Telecoil Sensitivity
Battery Drain
Other Tests Available
Coupler SPL vs frequency
Coupler gain vs frequency
Spectral analysis
Distortion vs frequency
Manual measurement of output, gain and distortion
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