Technical Specifications of Audiometer AD102

Test modes: Pure-tone audiometry (air conduction, bone conduction, free field), speech audiometry, Special tests (MCL test, supports automatic threshold testing; UCL test, supports automatic threshold testing; SISI test, ABLB test, Stenger test, etc.)

Channels: Two independent output channels

Test frequencies:

· Air conduction: 125–8000 Hz

· Bone conduction: 250–8000 Hz

· Free field: 250–8000 Hz (error < ±1%)

Intensity range:

· Air conduction: –10 to 120 dB

· Bone conduction: –10 to 80 dB

Masking intensity range: –10 to 110 dB

Test signals: Pure tone, pulsed tone, warble tone, narrowband noise

Speech masking: Broadband white noise, speech noise

Distortion:

· Air conduction: ≤2.5%

· Bone conduction: ≤5.0%

Stimulation: Signal duration presettable (0.25–2.5 s)

· Normal: Present stimulus via INT key

· Reverse: Stop stimulus via INT key

Accuracy: Continuous attenuation / 5 dB, 2 dB, 1 dB steps; error < 1 dB

Patient response: External response handswitch, internal buzzer (volume adjustable)

Microphone: Builtin microphone and intercom system (0–50 level adjustable), supports twoway communication

Stimulus delivery: Manual key operation

External audio source: CD and microphone input supported

Data storage: Offline data storage. Batch import patient names for testing; results stored offline, uploaded to PC software when connected. Capacity: 1000 patient records / 10,000 test results

Output: TDH39 air conduction headset, B71 bone conduction headset (optional: highprecision imported B81 bone conduction headset, DD45 headset, insert earphone), free field

Speech test: 30 builtin Mandarin test sets, including monosyllables, disyllabic words, sentences. Speech masking: broadband white noise / speech noise, ipsilateral / contralateral delivery

Protection: Complies with acoustic safety requirements, protects subject hearing

Masking: Independent contralateral masking for air/bone conduction, switchable without changing headphones, with masking indicator

Free field testing: Connect external power amplifier speakers, builtin freefield calibration

PC control: Operate via PC software, supports keyboard/mouse control

PC software: Realtime display of test status and audiogram, supports large monitors

Printing: PC printing or direct printer connection

Power supply: DC power adapter

Software Modules

PTA calculation: WHO standard, ANSI standard, or custom

Report settings: Multiple header templates, customizable parameters, electronic signature

Naming: Filename by name / ID / custom

Storage: FTP to specified directory, formats: JPG / PDF / XML

Data transfer: USB 2.0, realtime data acquisition, storage, printing

Hospital system integration: HL7, XML, SQL Server / MySQL / Oracle, Web API; seamless HIS connectivity

Result comparison: Multiple test comparisons, multipatient summary and analysis

Device registration validity: 8 years

Delivery

Factory Scale