R37A 2 Channel Tone and Speech Testing Clinical Audiometer

Product catalog summary

General Specifications
The clinical audiometer is designed for 2-channel tone and speech testing. It features a compact design with dimensions of 370x290x180 mm and a net weight of 3.5 kg. The body is made from Bayblend® self-extinguishing material. It includes a 7” TFT color display and a multilingual user interface.

Power and Consumption
The device operates on a power supply of 110-240V AC, 50/60Hz, with a maximum current of 0.15A and power consumption of 40VA. It includes fuses rated at 2 x T 1 A L 250V.

Test Types
The audiometer supports various tests including Pure Tone, Autothreshold, ABLB, Speech Test, Stenger, DLI, SISI, Bekesy, Tone Decay, MLB, Multifrequency, GAP, and DLF.

Data Management
Reports can be printed using the built-in thermal printer or saved as PDFs on a USB pen drive. Data transfer to a PC is facilitated via USB, compatible with Resonance MDS Management Data Suite.

Environmental Conditions
The device operates in temperatures from +15° C to +35° C and can be stored between -20° C and +50° C. It supports humidity levels up to 90% (non-condensing) and ambient pressure from 700hPa to 1060hPa.

Compliance and Standards
The audiometer complies with European and International standards, including MDD 93/42/EEC, IEC 60601-1, IEC 60601-1-2, IEC 60645-1, IEC 60645-2, and ANSI S3.6 Type 1A. It is manufactured under ISO 13485 and ISO 9001 certified quality systems.

Audiometry Operating Specifications
The frequency range varies with different headsets: 125 - 8000 Hz (DD45), 125 - 12500 Hz (HDA280), and 250 - 8000 Hz (B71-W). The device ensures frequency accuracy of less than 0.5% and distortion below 1%.

Output Transducers and Signal Types
The audiometer supports various signal types including pure tone, warble, narrow band noise, speech noise, white noise, and external signals. It is compatible with multiple transducers such as DD45 earphones, B71-W bone conductor, and insert earphones.

Stimulus Presentation Modality
The device offers different presentation modalities including normal, reverse, and extended, with continuous, pulsed, and alternated modes. It supports DLI and SISI increment levels and recurrence rates.

Standard Accessories
The package includes headsets, bone conductors, microphones, a thermal printer, power supply cable, dust cover, multilingual handbook, pen-drive, and SD-card with speech material.

Optional Accessories
Optional items include external keyboards, microphones, carrying bags, pediatric headsets, noise-reducing enclosures, and additional software licenses.

Catalog excerpts

R37A 2 Channel Tone and Speech Testing Clinical Audiometer-1

2 CHANNEL TONE AND SPEECH TESTING CLINICAL AUDIOMETER PRODUCT SPECIFICATIONS DIMENSIONS AND WEIGHT • L x W x H: 370x290x180 mm • Net weight: 3.5 kg • Body material: Bayblend® self-extinguishing TEST TYPES • Pure Tone test, Autothreshold, ABLB, Speech Test, Stenger, DLI, SISI, Bekesy, Tone Decay, MLB, Multifrequency, GAP, DLF (Diﬀerence Limen for Frequency) USER INTERFACE • Multilingual • Built-in fast thermal printer with paper width: 112 mm supplied as standard part • Printed on thermal printer • .pdf report create directly from the device and stored on USB Pen drive with possibility to add patient data and tests comments via the USB Keyboard (optional) • Data transfer to PC using Resonance Management Data Suite DATA TRANSFER TO PC • Via cable trough USB port COMMUNICATION PORT • Nr.1 USB host type A • Nr.1 USB slave type B WINDOWS® COMPATIBLE SOFTWARE • Resonance MDS Management Data Suite POWER POWER SUPPLY • Max current: 0,15A • Power consumption: 40VA ENVIRONMENTAL OPERATING ENVIRONMENT • Storage: -20° C up to +50° C • Operating: +15° C up to +35° C • Humidity: up to 90%, (non condensing) • Ambient pressure: from 700hPa up to 1060hPa AUDIOMETRY OPERATING SPECIFICATIONS COMPLIANCE/REGULATORY STANDARDS Designed, tested and manufactured to meet the European and International Standards: • Frequency < 0,5% • Distortion < 1% • Attenuator linearity 1dB per 5dB step, max 3dB whole range • Range stimuli level -10 up to 120 dB HL • Pure tone: sine wave 125 to 8KHz signal (to 12,5KHz for HDA280 phones) • 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 mike • Speech material recorded on SD card • Master Hearing Aid: 1KHz 6, 12, 18 ,24dB High pass filters • On/Oﬀ rise – fall time: 40msec OUTPUT TRANSDUCERS • ACR, ACL: 10 ohm DD45 matched pair earphone, (alternatively HDA280 Sennheiser, Insert earphones) • BC: B71-W Radioear; B81 (optional) • 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 300ms • 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. • MDD 93/42/EEC and update 2007/47/CEE: Class IIa (as referred to in Annex IX, rule 10 of said MDD 93/42 EEC ) • Safety: IEC 60601-1, 3rd and 2nd edition, Class 1 Type B • EMC: IEC 60601-1-2 • Audiometer: to IEC 60645-1; IEC 60645-2 and ANSI S3.6 Type 1A (R37A) STANDARD ACCESSORIES • DD45 or HDA280 headset for audiometry testing • B71W bone conductor • Insert-Transducer (for bone conductor masking) • Operator headset with microphone and speaker (talk over and monitor) • Patient microphone (talk back) • Internal speaker as monitor use • Patient response pushbutton • Built-in fast thermal printer • 1 roll of thermal paper • Power supply cable (110 – 220V) • Device dust cover • Multilingual Quick User’s Handbook • Pen-drive • SD-card with Multilanguage speech material • Resonance® MDS software with NoAH® module included (demo version) OPTIONALS • USB external keyboard • Goose-neck microphone • Carrying bag • TDH39 headset • Pediatric Headset (AC or BC) • ADC Audiocups Noise reducing headset enclosures • Various Insert earphones models • B81 High Output Bone Conductor • Pediatric Headset (AC or BC) • MDS software licence • Quick-SIN test licence • Silent cabin cables • Free field loudspeaker • Additional patient response pushbutton QUALITY SYSTEM Manufactured, designed, developed and marketed under an ISO 13485, ISO 9001 certified quality system. Medical CE marks and FDA approval Resonance makes no warranty, nor assumes any legal liability or responsibility for the accuracy, typing errors or mistakes, correctness or completeness of any information in this datasheet. The information in this datasheet was correct to the best o

Open the catalog to page 1