F-58
Probe Tone:
Frequency: 226 Hz ±3%
Amplitude: 85 ±3 dB re 20 µPa in an ANSI HA-1 (2.0 cc) coupler
Distortion: 5% maximum total harmonic distortion in an ANSI HA-1
(2.0 cc) coupler
Pump:
Direction of sweep: positive to negative pressure
Speed: 400 ±40 daPa/s average during data acquisition period
Pressure Measurement System:
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:
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
Display resolution: 0.1 mmho for Ya
0.2 cc for +200 Vea
Accuracy: ±0.1 mmho or ±5%, whichever is greater
Weight:
MicroTymp2 Handle: 0.61 lb/0.28 kg
Printer/Charger: 3.98 lb/1.81 kg
Operating Temperature:
15˚ to 35˚C (59˚ to 95˚F). All specifications apply within this
temperature range.
Storage Temperature:
-20˚ to +40˚C (-4˚ to +104˚F)
Battery (Welch Allyn #72900):
2.4 V nickel-cadmium rechargeable, 14-16 hour recharge time
Full charge yields at least 300 double-ear tympanograms or approximately
one full day of continuous use
Probe Tips:
Four color-coded sizes
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