Resonance R37A-HF 2 Channel Tone & Speech Testing Clinical High Frequency Audiometer
The Resonance R37A is a 2 Channel, Clinical Audiometer with Air Conduction, Masking, Bonec Conduction, Live Speech, Pre-Recorded Speech with FreeField. The Resonance R37A also includes an array of special tests such as Autothreshold, ABLB, Speech Test, Stenger, DLI, SISI, Bekesy, Tone Decay, MLB, Multifre-quency, GAP, DLF (Difference Limen for Frequency).
With the Resonance R37A you have the ability to save your PDF Audiogram directly to PDF, allowing you save your thresholds in PDF format with ease.
GENERAL SPECIFICATIONS:
DIMENSIONS AND WEIGHT
- L x W x H: 370 x 290 x180 mm
- Net weight: 3.5 kg
TEST TYPES
- Pure Tone test, Autothreshold, ABLB, Speech Test, Stenger, DLI, SISI, Bekesy, Tone Decay, MLB, Multifrequency, GAP, DLF (Difference Limen for Frequency), High frequency up to 20 KHz
DISPLAY
- 7” TFT Color display
USER INTERFACE
- Multilingual
PRINTER
- Built-in fast thermal printer with paper width: 112 mm supplied as standard part
REPORTS
- Printed on thermal printer
- Pdf report created 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 through 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
- 110 – 240 V AC 50/60 Hz 40 VA
- Fuses: 2 x T 1 A L 250 V
CONSUMPTION
- Max current: 0.15 A
- Power consumption: 40 VA
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 700 hPa up to 1060 hPa
AUDIOMETRY OPERATING SPECIFICATIONS
RANGE
- Frequency range:
125 – 8000 Hz (with DD45)
8000 – 20000 Hz (with HDA300)
250 – 8000 Hz (with B71W) - Range stimuli level -10 up to 120 dB HL
ACCURACY
- Frequency < 0.5%
- Distortion < 1%
- Attenuator linearity 1dB per 5 dB step, max 3 dB whole range
TYPE OF SIGNALS
- Pure tone: sine wave 125 to 8 KHz signal (to 20 KHz for HDA300)
- Warble: ± 5% frequency sine wave modulated, modulation: sine wave 5 Hz
- Narrow band noise: 24 dB/oct filtered noise
- Speech noise: 1 kHz 12 dB/oct filtered noise
- White noise
- External signal
- External mike
- Speech material recorded on SD card
- Master Hearing Aid: 1 KHz 6, 12, 18, 24 dB High pass filters
- On/Off rise – fall time: 40msec
OUTPUT TRANSDUCERS
- ACR, ACL up to 8 KHz: 10 ohm DD45 matched pair earphone. IP30 Insert earphones (optional)
- ACR, ACL up to 20 KHz: HDA300 Sennheiser
- BC: B71W Radioear; B81 (optional)
- INSERT: Insert transducer
- Free field output: 600 ohm impedance
STIMULUS PRESENTATION MODALITY
- Presentation: Normal, Reverse, Extended (present tone for 1 second from 20 dB 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 1.0 dB; 1.5, 2, 3, 4, 5 dB
- DLI increment recurrence rates: 0.5 Hz, 1 Hz, 2 Hz
- SISI increment recurrence rates: 0.2 Hz, 0.5 Hz, 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 30 sec and 60 sec.
QUALITY SYSTEM
- Manufactured, designed, developed and marketed under an ISO 13485, ISO 9001 certified quality system. Medical CE marks and FDA approval.
COMPLIANCE/REGULATORY STANDARDS
- Designed, tested and manufactured to meet the European and International Standards:
- MDD 93/42/EEC and its revised versions: Class IIa (as referred to in Annex IX, rule 10 of said MDD 93/42 EEC)
- Safety: IEC 60601-1, 3rd edition, Class 1 Type B
- EMC: IEC 60601-1-2
- Audiometer: to IEC 60645-1; IEC 60645-2 and ANSI S3.6 Type 1A
STANDARD ACCESSORIES
- DD45 headset for audiometry testing
- HDA300 headset for high frequency test
- 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 – 220 V)
- 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)
- Spare fuse
OPTIONALS
- USB external keyboard
- Goose-neck microphone
- Carrying bag
- TDH39 headset
- Pediatric Headset (AC or BC)
- ADC Audiocups Noise reducing headset enclosures
- IP30 insert earphones
- B81 High Output Bone Conductor
- MDS software license
- Quick-SIN test license
- HF type Silent cabin cables
- Free field loudspeaker
- Additional patient response pushbutton




