Inventis Bell plus Diagnostic Audiometer

AVAILABLE SIGNALS

Stimulus: pure tone, warble tone

Masking: NBN, WN

SIGNALS SPECIFICATION

Attenuator step: 5 dB

Presentation: Continuous, Pulsed (0.5, 1 and 2 Hz)

Warble: 5 Hz sin wave modulating signal

AVAILABLE OUTPUTS AND TRANSDUCERS

AC: TDH-39 / DD45 headphones, ER-3 / IP30 insert earphones

BC: B-71 bone vibrator (Plus only)

Insert masking earphone: IME-100 (Plus only)

AVAILABLE TESTS

Pure Tone audiometry

Auto threshold (modified Hughsone-Westlake)

CALIBRATION

Validity: 12 months

All the parameters set through the device software

COMPUTER INTERFACE

Connection: USB (driverless)

Compatible software: Inventis Maestro

HYBRID TECHNOLOGY

Description: Bell can be controlled either as a stand-alone or as a

PC-controlled audiometer

It requires Inventis Maestro software.

DISPLAY

Shows the complete audiogram during the test

Type: Graphical colour TFT LCD

Size: diagonal 4.3”, 95 mm x 54 mm

Resolution: 480 x 272

POWER SUPPLY

Maximum consumption: 8 Watts

Power supply: 6V, 2A cont., through an external medical grade 100-

240 Vac 50/60 Hz power supply

MECHANICS

Size (WxDxH): 32 x 32 x 9 cm / 12.6 x 12.6 x 3.5 in

Weight: 1.8 Kg / 4.0 lbs

FREIGHT PACKING

Size (WxDxH): 47 x 40 x 35 cm / 18.5 x 15.8 x 13.8 in

Gross weight: 4.2 Kg / 9.3 lbs

APPLICABLE STANDARDS

Pure tone audiometry: IEC 60645-1, ANSI S3.6

Calibration: ISO 389-1 (TDH 39 and DD45), ISO 389-2 (ER-3, IP30,

ER-5), ISO 389-3 (B71)

Electrical safety: IEC 60601-1, Class I type BF

EMC: IEC 60601-1-2

CE CERTIFICATE

MDR 2017/745/EU Classification: Class IIa

Classification rule (Annex VIII, 2017/745): 10

Notified body: TÜV SÜD Product Service GmbH (0123)

Datasheet