6 Maintenance Manual
2.4 DIGITAL READOUT OF SOUND PRESSURE LEVEL
Frequency Range: 200-8000 Hz
Amplitude Range: 0-150 dB SPL
Resolution: 0.1 dB
Accuracy: Coupler mic: ±1.0 dB ±1 digit, 300-5000 Hz, ±2 dB
± 1 digit all other frequencies
Probe mic: ± 2.5 dB ± 1 digit, 250-8000 Hz
Ref mic: ± 3 dB ± 1 digit, 100-8000 Hz
2.5 HARMONIC DISTORTION ANALYZER
Type: 2nd, 3rd, Total (2nd plus 3rd)
Resolution: 0.1%
2.6 ATTACK/RELEASE
Range: 1.25 to 5000 mSec.
Accuracy: Accuracy: ±10 % or ± 2 ms, whichever is larger
Signals: Puretone: 200-8000 Hz, in 100 Hz intervals (user inter-
face), 50 Hz intervals (RS232), Composite
2.7 AVAILABLE TESTS
Automated Test Sequences: ANSI S3.22-1987, ANSI S3.22-1996, ANSI S3.22-2003,
ANSI S3.22-2009, IEC 60118-7:1994, IEC 60118-7:2005,
ANSI S3.42-1992, JIS:2000
Additional Coupler Tests: Profiler, ISTS, Enhanced DSP, Input/Output, Attack &
Release, Battery Current, Coupler Multicurve, Coupler
Directional
Real-Ear: Audiogram Entry, Target Edit, Insertion Gain, Real-ear SPL,
Visible Speech
Optional: Coupler Directional (requires 8120 Polar Plot Chamber)
2.8 POWER
Source voltage: 100-240 volt AC.