HP RM500SL Technical Specifications, Storage & Transportation, General, HIT Chamber, Real Ear

21Technical 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 2nd 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

0611 RM500SL User’s Guide Version 2.8 Page 93