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DIAGNOSTIC AUDIOMETER

DIAGNOSTIC AUDIOMETER

Product Details:

  • Color White
  • Instrument ENT Surgical Instrument
  • Condition New
  • Portable Yes
  • Usage Hospital
  • Power Source Electric
  • Voltage 230 Volt (v)
  • Click to View more
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DIAGNOSTIC AUDIOMETER Price And Quantity

  • 1 Pack

DIAGNOSTIC AUDIOMETER Product Specifications

  • 230 Volt (v)
  • White
  • 5 Kilograms (kg)
  • Electric
  • Hospital
  • Yes
  • 400 x 330 x 135 Millimeter (mm)
  • ENT Surgical Instrument
  • New

DIAGNOSTIC AUDIOMETER Trade Information

  • Cash Advance (CA)
  • Contact us for information regarding our sample policy
  • All India

Product Description

DIAGNOSTIC AUDIOMETER

CHANNELS

Two separate channels : one for stimulus and one for masking.

FREQUENCIES

Air, free field : 125-250-500-750-1000-1500-2000-3000-4000-6000-8000 Hz.

Bone : 250-500-750-1000-1500-2000-3000-4000-6000-8000 Hz.

ATTENUTOR RANGE

-10 to 120 db steps with range extender function. fully clickfree operation over entire range.

HEARING LEVEL RANGE

Maximum output is limited by transducer capacity. Typical values for air : Max 120 db HL at 500-6000 Hz.

Bone : 70 db HL at 500-4000 Hz

EXTERNAL INPUTS

Microphone : Dynamic, for speech audiometry and patient communication.

Patient Mic : Dynamic

Tape/CD 1 : stimulus channel, sensitivity 0.1-3.0 vrms, 47 k0hm.

Tape/CD 2 : Masking channel, sensitivity 0.1-3.0 vrms, 47 kohm.

OUTPUTS : 

Phones : Air conduction

Bone : Bone condition

insert masking : insert phone

F.F : free filed loudspeaker via external amplifier. output voltage : max.3 vrms. 

                                                                             output load : max.5mA    

TECHNICAL SPECIFICATION STANDARD FUNCTIONS

Speech audiometry : stimulus via microphone or tape/CD1

Masking : white noise, speech noise or narrow band.

Tone : Tone duration is controlled manually.

Pulsing rate : user-programmable (range : 1.5-3.5 Hz)

Warble : Frequency modulation +-5%

Left/right shift : Automatic switching of all selected parameters from left to right channel and vice versa.

Hearing level lock : Locking of masking level to stimulus level at any preselected  interval.

SPECIAL FUNCTIONS

SISI Test : Display shows presentation counter. patient score counter with current score percent constantly indicated increments of 1 to 5 db interrupt/reset function lnitiated by tone switch.

Flower Test (ABLB) : Alternate binaural loudness balance test.

Stenger Test : Binaural tone stimulation

USER FUNCTION

User setups are stored in a non-volatile memory (EEPROM)

COMMUNICATION AND MONITORING

  Built in talk-over with individually adjustable monitoring. visible patient response (LED indicator) supplemented by audible patient response with a separate level control via monitor headset LED bar-graph V.U. meter provides visual indication of stimulus level as well as displaying level for sensitivity adjustment of microphone/Tape/CD input signals.

DISPLAY

Alphanumeric transreflective LCD2 rows of 40 characters. screen dimensions 155*16 mm. LED backlighting.

DISTORTION

Less than 1% (T.H.D)

ACCURACY

Frequency : Better than +-2%

Hearing level electrical : Within +-1% db of indication

Acoustical : Within +-3 db of indication

CALIBRATION

AIRIEC645/ANSI3.6-1996

BONEISO7556-1987/ANSIS.3.26-1981

Calibration data are stored in a programmable non-volatile memory.

POWER SUPPLY

230V AC 50Hz +-10%

POWER CONSUMPTION

25VA Approximately 

OPERATING ENVIRONMENT

Temperature : 15-50c

Relative humidity : 30-90%

CONSTRUCTION

Aluminium light weight, Non-corrosive

DIMENSIONS & WEIGHT

(400*330*135)mm. 5kg Approx. Without carrying case.

STANDARD ACCESSSORIES

head set, bone conductor with headband patient response hand switch RS 232 C Data interface, dust cover, audiogram pad, 1 blue and 1 red pen. operation manual

OPTIONAL ACCESSORIES

Free-filed loudspeakers, amplifier and speech units. patient talk-back microphone monitor handset. 

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