21 technical specifications, Storage & transportation, General – HP RM500SL User Manual
Page 93: Hit chamber, Real ear
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