Supply of Hearing, Screening Device (Automated Auditory Brainstem Response, Otoacoustic Emission Test and Tympanometry)

Supply of Hearing, Screening Device (Automated Auditory Brainstem Response, Otoacoustic Emission Test and Tympanometry) Multi-Function NHS Device (DPOAE / TEOAE / AABR / Tympanometry) a. Distortion Product Otoacoustic Emissions (DPOAE) Stimulus Type 2 primary pure tones; response measured at 2f1-f2 for each stimulus tone pair Stimulus Intensity (L1/L2) 65/55 or 60/50 dB SPL Frequency Ratio (f2/f1) 1.22–1.24 F2 Frequency Region 2–5 kHz; 1–6 kHz; 2–6 kHz; 1.5–12 kHz Pass Protocol Response from 3 out of 4 frequencies b. Transient Evoked Otoacoustic Emissions (TEOAE) Stimulus Type Click Click Rate 50–80 per second Stimulus Intensity 70–84 dB SPL Frequency Region 1–5 kHz; 1.5–4.5 kHz; 2–6 kHz; 0.7–4 kHz Pass Protocol SNR of at least 3–6 dB, or overall minimum amplitude (wideband) ≥6 dB, with reproducibility of 50% or greater c. Automated Auditory Brainstem Response (AABR) Stimulus Click (0.1 msec) Stimulus Polarity Rarefaction, condensation, or alternating Sweep Rate (clicks/sec) 32–62 Input Frequency Range 30–3,000 Hz Stimulus Intensity 35 dB nHL Pass Criteria Automated d. Tympanometry Probe Tone Frequency Classic: 226 Hz, 678 Hz, 800 Hz, 1000 Hz (pure tones, AGC-controlled); WBT: 226 Hz – 8000 Hz broadband, 21.5/sec Probe Tone Level 226 Hz: 85 dB SPL (≈69 dB HL); WBT: 96 dB peSPL (infant) / 100 dB peSPL (adult) Air Pressure Control Automatic Air Pressure Range -600 to +300 daPa Pressure Limitation -750 daPa and +550 daPa Pressure Change Rate Minimum, medium, maximum, or automatic with minimum speed at compliance peak (selectable) Compliance Range 0.1–8.0 ml at 226 Hz; 0.1–15 mmho at 678, 800, and 1000 Hz probe tone Certification NHSRC Certified Device Yes ENNHSR Compatibility/Integration Yes Additional terms:  Payment: Government terms and conditions.  Warranty: 2 years’ warranty and 1-year free calibration  Delivery Terms: 30-45 days upon receipt of Notice to procced (NTP) and Purchase Order (PO).  Delivery Address: Newborn Hearing Screening Reference Center, Nati