R37A Clinical Audiometer Compact dimensions, excellent ergonomics and a luminous 7” TFT display: R37A Resonance® Audiometer has been engineered to respond to the needs of ENT and Audiology Specialists, operating both in clinic and medical practice. Design is user-friendly and allows both device and accessories to be safely carried around in a practical carrying case, available on demand. High-quality components ensure device reliability as well as long-term operation. Recognized dependability matches with efficiency. Test-report files, generated in PDF, can be initially stored on a USB-stick, then archived into external units or printed, thanks to the built-in thermal printer. Reports can be easily edited and customized with additional text and logos. The R37A offers a complete range of clinical tests including air and bone conduction tests, SAL and speech audiometry, up to 20KHz High Frequency Test in R37A-HF confi guration. Speech material in English and Spanish is recorded on the Resonance SD-Card. Confi gurable tests and preferences designed to improve daily workfl ow and optimize speed and reliability of testing. Test Types: • Pure Tone test, Auto-threshold, ABLB, Speech Test, Stenger, DLI, SISI, Bekesy,Tone Decay, MLB, Multifrequency, MHA, GAP, DLF, High Frequency up to20KHz (R37A-HF only)• Quick-SIN, BKB-SIN (available on demand) In the Box:• DD45, ADC or HDA280 headset for audiometry testing• IP30 insert earphones• HDA300 headset for high frequency test (R37A-HF only)• B71W bone conductor• Insert-Transducer (for bone conduction masking)• Operator headset with microphone and speaker (talk over and monitor)• Patient microphone (talk back)• Patient response push button• Built-in fast thermal printer• 1 roll of thermal paper• Power supply cable (110 V)• 1 spare fuse• Device dust cover• USB pen drive• SD-card with multilingual speech material• MDS* software See brochure for specifications* Brochure Zona Med Equipment: R37A Clinical Audiometer Brochure General Specifications TEST TYPES • Pure Tone test, Auto-threshold, ABLB, Speech Test, Stenger, DLI, SISI, Bekesy, Tone Decay, MLB, Multifrequency, MHA, GAP, DLF, High Frequency up to 20KHz (R37A-HF only) • Quick-SIN, BKB-SIN (available on demand) DIMENSIONS AND WEIGHT • L x W x H: 14.5” x 11.4” x 7” • Net Weight: 7.7 lbs. • Body material: Bayblend® self-extinguishing USER INTERFACE • Multilingual PRINTER • Built-in fast thermal printer with paper width: 4.4” supplied as standard part REPORTS • Printed on thermal printer • PDF report created directly from the device and stored on USB pen drive with the possibility to add patient data and tests comments via the USB keyboard (optional) • Data transfer to PC using MDS* software COMMUNICATION PORT • Nr.1 USB host type A • Nr.1 USB slave type B PC INTERFACE • MDS* software with reporting and printing features • Compatible with Windows® 7, 8, 8.1, 10 • Data transfer via USB cable Audiometry Specs AUDIOMETRY SPECS FREQUENCY RANGE • 125 - 8000 Hz (with DD45) • 125 - 12500 Hz (with HDA280) • 8000 - 20000 Hz (with HDA300) (R37A-HF only) • 250 - 8000 Hz (with B71-W) ACCURACY • Frequency: < 0.5% • Distortion: < 1% • Attenuator linearity: 1dB per 5dB step, max 3dB whole range • Range stimuli level: -10 up to 120 dB HL TYPE OF SIGNALS • Pure tone: sine wave • Warble: ± 5% frequency sine wave modulated, modulation: sine wave 5 Hz • Narrow band noise: 24dB/oct filtered noise • Speech noise: 1khz 12dB/oct filtered noise • White noise • External signal • External mic • Speech material recorded on SD card • Master Hearing Aid: 1kHz 6, 12, 18, 24dB High pass filters • On/Off rise – fall time: 40 msec. OUTPUT TRANSDUCERS • ACR, ACL: 10 ohm DD45 matched pair earphone • BC: B71W RadioEar • INSERT: Button receiver • Free field output: 600 ohm impedance • Monitor Phone: headset with boom microphone STIMULUS PRESENTATION MODALITY • Presentation: Normal, Reverse, Extended (present tone for 1 second from 20dB below the maximum level) • Modality: Continuous, Pulsed (rate 0.5; 1 and 2 Hz), Alternated (ABLB and MLB - 0.5, 1 and 2 Hz) • DLI increment levels: 0.1 in steps of 0.1dB up to 1.0dB; 1.5-2-3.4.5 dB DLI increment recurrence rates: 0.5Hz, 1Hz, 2Hz • SISI increment recurrence rates: 0.2Hz, 0.5Hz, random • Time on 300 msec. • SISI increment level: 0.25, 0.5, 0.75, 1, 1.5, 2, 3, 4, 5 dB • Bekesy: mode sweep and fixed; Continuous, Pulsed and LOT; exam duration 30sec and 60sec.
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