Standards: Safety: EN 60601-1.
Audiometer: EN 60645-1, EN 60645-2, EN 60645-4 / ANSI S 3.6.
Tone audiometer type: 1. Speech Audiometer type: A or A-E.
Calibration: ISO 389-1, ISO 389-2, ISO 389-3 ISO 389-4.
Medical CE-mark: Approved for Medical CE Marking by TÜV. Identification No. 0123.
Channels: Two independent channels incorporating two independent oscillators.
Channel 1 Input: Tone, Microphone 1&2,Tape/CD 1&2, NB, SN, WN, PN.
Channel 1 Output: Left, Right, Bone L+R, Free Field 1+2, Insert-phones, HF-phones
Channel 2 Input: Tone, Microphone 1+2,Tape/CD, 1&2, NB, SN, WN, PN.
Channel 2 Output: Left, Right, Free Field 1+2, Insert-phones, HF-phones, Insert masking.
Frequencies and Intensities:
| AC HL | BC HL | NB HL | |
| 125Hz | 90dB | 80dB | |
| 160Hz | 95dB | 85dB | |
| 200Hz | 100dB | 90dB | |
| 250Hz | 110dB | 45dB | 100dB |
| 315Hz | 115dB | 50dB | 105dB |
| 400Hz | 120dB | 65dB | 110dB |
| 500Hz | 120dB | 65dB | 110dB |
| 630Hz | 120dB | 70dB | 110dB |
| 750Hz | 120dB | 70dB | 110dB |
| 800Hz | 120dB | 70dB | 110dB |
| 1000Hz | 120/130dB | 70dB | 110dB |
| 1250Hz | 120dB | 70dB | 110dB |
| 1500Hz | 120dB | 70dB | 110dB |
| 1600Hz | 120dB | 70dB | 110dB |
| 2000Hz | 120dB | 75dB | 110dB |
| 2500Hz | 120dB | 80dB | 110dB |
| 3000Hz | 120dB | 80dB | 110dB |
| 3150Hz | 120dB | 80dB | 110dB |
| 4000Hz | 120dB | 80dB | 110dB |
| 5000Hz | 120dB | 60dB | 110dB |
| 6000Hz | 120dB | 55dB | 110dB |
| 6300Hz | 120dB | 50dB | 110dB |
| 8000Hz | 110dB | 50dB | 100dB |
| 8000Hz | 105dB | 90dB | |
| 9000Hz | 105dB | 90dB | |
| 10.000Hz | 100dB | 90dB | |
| 11.200Hz | 95dB | 85dB | |
| 12.500Hz | 90dB | 85dB | |
| 14.000Hz | 85dB | 75dB | |
| 16.000Hz | 75dB | 65dB | |
| 18.000Hz | 110dB (SPL) | 95dB (SPL) | |
| 20.000Hz | 110dB (SPL) | 95dB (SPL) |
Extended Range allows air conduction intensities to be limited 20 dB below
max. output.
FF: Amplifier and Speaker combinations with output capabilities from 90dB
to more than 120dB SPL are available.
Presentations Ch 1: Manual or reverse. Continuous, single or multiple pulses. Single and Multiple Pulse Speed: Programmable from 50-5000 mS in 50 mS steps presentations.
Presentations Ch 2: Manual or reverse. Continuous. Simultaneous or alternate to Ch 1.
Frequency Range: 125-20000 Hz separated in two ranges: 125-8000 Hz and 8000-20000 Hz.
Frequency Resolution: Multi frequency, Programmable in 1, 1/2, 1/3, 1/6, 1/12, 1/24 steps per octave.
Modulation: Warble: programmable frequency: 5,10,25,50 Hz and programmable intensity: +/- 0, 0.2, 0.4, 0.6, 0.8, 1,2,3,4,5,10,15,20, 25%
Synchronous Masking: Locks Ch2 attenuator to follow Ch 1 attenuator.
Attenuators: Totally Click free, -10 to 120 dB HL in 1 or 5 dB Steps
Tone Switches: Silent presentation switches on operation panel and remote controlled switches.
Calibration: Calibration performed via operation panel and internal microprocessor, stored on EE-prom.
VU-Meter: Two independent VU-Meters, one for Ch 1 and one for Ch 2.
Patient Response: Two independent patient response buttons, one for Right and one for Left.
Communication: Talk forward: 0-110 dB SPL: Continuously adjustable on front panel, built-in goose neck microphone. Talk Back: Microphone input with level adjusted on front panel.
Monitor: Built in speaker or external loudspeaker. Monitor output level for CH1 and CH2 adjusted separately on front panel.
Assistant's monitor: Output to external earphone.
Built-in Free Field Amplifier: 2x12 Watt 4-8 Ohms (Optional).
Printer: Built-in thermal printer (optional). Output to external Laser Printer(HP-GL/2 language), via 25 pin D connector.
Computer Communication: Built-in RS232C two way computer interface which allows the computer to both monitor and control the AC40. Control actions will be indicated on the front panel and display. Suitable database software available.
Display: Graphic 640x200 monochrome LCD display with (CFL) back lighting. Electronic viewing angle adjustment.
Dimensions: (L 50 x W 47 x H 20 cm.)
Weight: 13 kg.
Power: AC 50-60 Hz. 100-120 V +- 10% 220-240 V+- 10%. Consumption: Max. 180 VA
Operating Temperature: 10-35 Celsius.
Operating Humidity: 30-90%
