Features 1,000 Hz quick-interpretation mode for
testing infants under the age of 6 months
> Test in seconds—ideal for young or uncooperative patients
> Convenient cards and sleeve attach to charging base for easy documentation of 1,000 Hz results
> Foreground and background contrast LCD screen
for easy viewing
> Three optional forms of information available for 226 Hz—tympanogram, numerical and interpretive data—making it flexible for your needs
> Compare middle ear function measurements
side-by-side with easy-to-use graphs (226 Hz only)
> Tests print automatically or on-demand and can produce multiple copies for parent consultation
or referral (for 226 Hz only—printing not available for 1,000 Hz)

Probe Tone
226 Hz Amplitude: 85 }3 dB SPL
1,000 Hz Amplitude: 83 }3 dB SPL
Frequency Accuracy: }2%
Total Harmonic Distortion: 3% Maximum
Signal Type: Continuous Sinusoid
All specifications measured in an ANSI HA-1 (2.0 cc) coupler.
Pressure Measurement System
Direction of sweep: positive to negative pressure
Sweep Rate: 400 daPa/sec average during data acquisition period
Range: +200 to -400 daPa
Display Resolution: 20 daPa
Accuracy: }15% or }10 daPa, whichever is greater
Compensation: Auto-zero every test cycle
Admittance Measurement System
226 Hz Mode:
Range: 0.2 to 4.0 mmho total
0.0 to 1.5 mmho for Ya
0.2 to 2.5 cc for +200 Vea
Accuracy: }0.1 mmho or }5%, whichever is greater
Positive tail compensation
1,000 Hz Mode:
Range: 0.9 to 16.6 mmho total
0.0 to 6.5 mmho for Ya*
0.2 to 2.5 cc for +200 Vea
Accuracy: }0.4 mmho or }5%, whichever is greater
Negative tail compensation
*for ear canal volumes .2.0 cc
Display Resolution:
0.1 mmho for Ya
0.2 cc for +200 Vea
Weight
Handle: 0.61 lb/0.28 kg
Printer/Charger: 3.98 lb/1.81 kg