Audioscan Axiom - Manual (Page 106)

Axiom ® User's Guide Version 1.8  June 2015
21 Technical
Specifications
Specifications subject to change without notice
Environmental conditions
STORAGE & TRANSPORTATION
Temperature - 20°C to
+60°C
Relative humidity (non-condensing)...........5% to 95%
OPERATING
Temperature......................................+15°C to +30°C
Relative Humidity........................................20% - 50%
Atmospheric Pressure.............................81 - 106 kPa
Altitude...................................................below 2000 m
General
Power source:.............100 – 240 V, 47 – 63Hz, 1.35A
Overall dimensions........................12.5”x12.25”x4.25”
(31.75cm x 31.2cm x 10.8cm)
Weight...................................................7.6 lb (3.45kg)
Display type............................................User supplied
Resolution.........................................800x600 (SVGA)
Printer type.............................................User supplied
Power amplifiers.........................................................1
Stimulus Channels......................................................1
Measurement channels..............................................2
Connectors.........................................................4-USB
.......................................................1 - Ethernet (RJ45)
.......................................................................2 - HDMI
...................................1- RECD transducer(3.5mm st)
...........................1 - test chamber ref. mic.(3.5mm st)
...............................1 - coupler microphone(3.5mm st)
.........................................1 – External speaker (RCA)
...........................................2 - real-ear mic.(3.5mm st)
Test box
Working Space.....................................................60in 2
Speaker.........................................1 – 30.5mm Round
Test box isolation @ 1kHz................................>25 dB
Frequency Range..................................200 - 8000 Hz
Coupler microphone noise floor.........(200 – 8000 Hz)
<40 dB SPL
Test Stimuli.......................tone, tone burst,pink noise,
...............................................calibrated or live speech
Test stimulus levels.....40 to 90 dB SPL in 5 dB steps
Test stimulus distortion....................<2% at 90dB SPL
.....................................................<0.5% at 70 dB SPL
Test stimulus accuracy at reference mic. for tones
(200-2000 Hz)..........................................±1.5 dB SPL
(2000-8000 Hz)........................................±2.5 dB SPL
Equalization method..........................pressure method
Analysis frequencies per octave..............................12
Analysis filter bandwidth............................1/12 octave
Measurement accuracy at 1 kHz.........................±1db
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, 3rd
..............................................................or 2nd plus 3rd
Harmonic distortion range...................200 to 4000 Hz
Harmonic distortion accuracy...............................±1%
ANSI S3.22 - 1996 and 2003 tests available
....................................................................... OSPL90
................................................................. Full-on Gain
................................................... Reference Test Gain
................................................... Frequency Response
........................................................ Frequency Range
...................................................... Maximum OSPL90
..................................................... Harmonic Distortion
................................................. Attack & Release time
................................................. Equivalent Input Noise
................................................................. Coupler SPL
Other tests Available
.......... Speechmap ® real-speech audibility measures
... Manual measurement of output, gain and distortion
On-Ear
Speakers....................................1 – 5.25”x3.75”x3.75”
Probe microphone tube....Silicone 1.0 mm diameter x
75 mm
Probe microphone noise floor (200 – 8000 Hz).<45 dB
SPL
Frequency Range................................200 to 8000 Hz
Test Stimuli........................................tone, tone burst,
............................pink noise, calibrated or live speech
Freq. modulation..............sawtooth ±3% over 128 ms
Stimulus levels for tones.40 - 85 dB SPL in 5 dB steps
Test stimulus accuracy at reference mic. for tones
(2000- 8000 Hz)..........................................±3 dB SPL
Equalization Method..........................pressure method
...............................................(stored for open fittings)
Frequencies per octave (swept tones).....................12
Frequencies per octave (tone burst)..........................3
Analysis bandwidth (speech, noise)............1/3 octave
Measurement accuracy at 1 kHz........................±1 dB
Measurement accuracy re 1 kHz.................................
..................................................±1.5 dB (200-5000 Hz)
................................................±2.5 dB (5000-8000Hz)
Measurement Range...30-135 dB SPL (200-2500 Hz)
....................................30-140 dB SPL (2500-8000Hz)
ANSI S3.46 - 1997 tests available
....................................... Real-Ear Unaided Response
........................................... Real-Ear Aided Response
..................................... Real-Ear Occluded Response
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