21 technical specifications, Storage & transportation, General – HP RM500SL User Manual

Page 93: Hit chamber, Real ear

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0611

RM500SL User’s Guide Version 2.8

Page 93

21 Technical Specifications

Storage & Transportation

Temperature ....................................................- 20°C to +60°C
Relative humidity (non-condensing)........................5% to 95%
Atmospheric pressure...................................... 500 - 1060 hPa

General

Overall dimensions .....................................15.5”x12.75”x4.25”
Weight .................................................................................15lb
Display type ............................. fluorescent backlit active color
Display size....................................................... .12.1” diagonal
Resolution ......................................................800x600 (SVGA)
Printer type.................................................. thermal line printer
Printer resolution........................................... 200 dots per inch
Paper width ...............................................................3” (80mm)
Power amplifiers ......................................................................2
Stimulus Channels...................................................................2
Measurement channels ...........................................................1
Connectors...................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 mic.(3.5mm st)

HIT Chamber

Working Space ...................................................8.8”x3.5”x1.5”
Speaker........................................................................1 - 2”x3”
Induction Coils. ......... 1 - Telephone Magnetic Field Simulator

(TFMS ANSI S3.22 - 2003)

Battery Simulator ....................................per ANSI S3.22 2003
Frequency Range .............................................. 200 - 8000 Hz
Test 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)

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
Test stimulus accuracy at reference mic. for tones (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 2

nd

plus 3rd

Harmonic distortion range ................................200 to 4000 Hz
Harmonic distortion accuracy............................................ ±1%
Battery drain range .....................................................0 - 20mA
Battery drain accuracy....................................................... ±5%
Battery drain resolution. ...............................................±01 mA

ANSI S3.22 - 1996 and 2003 tests available

aOSPL90

aFull-on Gain

aReference Test Gain

aFrequency Response

aFrequency Range

aMaximum OSPL90

aHarmonic Distortion

aAttack & Release time

aEquivalent Input Noise

aInput/Output Curves

aCoupler SPL - Telephone Simulator

aSimulated Telecoil Sensitivity

aBattery Drain

Other tests Available

acoupler SPL vs frequency

acoupler gain vs frequency

aspectral analysis

adistortion vs frequency

amanual measurement of output, gain and distortion

Real Ear

Speakers .....................................................................1 - 2”x 3”
Probe microphone tube ................. 1.0 mm diameter x 75 mm
Frequency Range ............................................ 200 to 8000 Hz
Test Stimuli..................frequency-modulated tone, tone burst,

....................................................pink noise, calibrated speech

Freq. modulation ..................................triangular ±5%at 36 Hz
Stimulus levels 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
(2000- 8000 Hz) ....................................................±2.5 dB SPL
Equalization Method .......................modified pressure method
Analysis frequencies per octave (tones) .............................. 12
Analysis bandwidth (speech, noise) ........................ 1/3 octave
Measurement accuracy at 1 kHz.....................................±1 dB
Measurement accuracy re 1 kHz............ ±1 dB (200-5000 Hz)

.............................................................±2.5 dB (5000-8000Hz)

Measurement Range ...............20-135 dB SPL (200-2500 Hz)
................................................ 30-140 dB SPL (2500-8000Hz)
ANSI S3.46 - 1997 tests available

aReal-Ear Unaided Response

aReal-Ear Aided Response

aReal-Ear Occluded Response

aReal-Ear Insertion Gain

Other tests available

aReal-ear harmonic distortion

aReal-ear spectral analysis

aManual measurement of output, gain and distortion

Fitting methods available

aSpeechmap with DSL 5, NAL-NL1

aInsertion gain with NAL-RP, NAL-NL1, Fig6, PogoII,

Berger, Libby

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