Portable audiometer Maico MA 52 with two channels, similar to MA 51 but with SISI, DLI, ABLB and Carhart Decay tests.
FEATURES:
- Portable audiometer with ergonomic design and easy transport
- SISI, DLI, ABLB and Carhart Decay tests
- For bone and air conduction and speech audiometry with masking
- Continuous, pulsed and modulated tones
- Frequency from 0.125 to 8 KHz in 11 stages until 120 dB
- With input for CD, cassette and microphone
- Output RS 232 for PC connection
- Includes: answer switch, headphone DD45, bone applicator B71, power cable
TECHNICAL DATA:
- Test signal: Pure, pulsed, modulated tones; speech audiometry with masking
- Test frequencies: 0.125, 0.25, 0.5, 1, 1.5, 2, 3, 4, 6, 8 KHz
- Level steps: 5 dB, 2 dB noise free
- Inputs: CD/cassette, microphones, patient answer switch
- SISI, DLI, ABLB and Carhart Decay tests
- Outputs: AC, BC, headphones, free field, headphone monitor, electric output
- Tracking function
- Standards:
- IEC-601-1
- IEC 645-1 class 4, Directive 93/42/CEE on Medical Devices
- PC connection by serial RS 232C, 9 pins connector, protocol MAICO
- Power supply: 100-240V, 50/60Hz 25VA
- Dimensions: 36 x 46 x 15 cm
- Weight: 5.8 Kg
- Standard accessories: Headphones DD45, bone applicator B71, main cable (2 m), patient answer switch, microphone, audiograms
Air conduction:
- Dynamic range: -10 to 120 dBHL
- Headphones: DD45
Bone conduction:
- Dynamic range: -10 to 70 dBHL
- Bone applicator: B71 with cranial strap
- Signal mask: Narrow band noise, masked speech noise
Free field:
- Dynamic range: -10 to 90 dB at 1 m distance
OPTIONAL ACCESSORIES AND SPARE PARTS:
- Ref. 039-MO8111951 Speaker SBC (2 pcs)
- Ref. 039-MO8110906 Speaker Canton CD 220/2 (2 pcs)
- Ref. 039-MO8004229 Cable for speaker Canton CD 220/2 (2 pcs)
- Ref. 039-MO8010959 Insert microphones Eartone 3A
- Ref. 039-MO8011233 Answer microphone
- Ref. 039-MO8110458 Assistant microphone
- Ref. 039-MO8111857 Monitor microphone
- Ref. 039-MO8111383 Y cable for assistant microphone
- Ref. 039-MO8103691 CD player with connection cable
- Ref. 039-MO8111942 Supplement for delivery with headphone for bone conduction with masking BKH10-3
- Ref. 039-MO8010806 Headphones TDH 39 instead of DD45
COMPARATIVE CHART MAICO DIAGNOSTIC AUDIOMETERS
| MA 41 | MA 42 | MA 51 | MA 52 | MA 53 | |
|---|---|---|---|---|---|
| Class | 2 | 2 | 2 | 2 | 1 |
| Outputs | AC, input microphone, BC, FF, monitor | AC, input microphone, BC, FF, monitor | AC, input microphone, BC, FF, monitor | AC, input microphone, BC, FF, monitor | AC, input microphone, BC, masking signals, FF, line out, monitor |
| Inputs | External CD play, microphone, response microphone | External CD play, microphone, response microphone | External CD play, microphone | External CD play, microphone | 2 External CD play, 2 microphones, TB microphone |
| Frequencies (Hz) | 125-8000 | 125-8000/20000 (optional) | 125-8000 | 125-8000 | 125-8000 high tones up to 16000 Hz |
| Air (dBHL) | -10 to 120 | -10 to 120 | -10 to 120 | -10 to 120 | -10 to 120 |
| Bone (dBHL) | -10 to 80 | -10 to 80 | -10 to 70 | -10 to 70 | -10 to 70 |
| Free field (dBHL) | -10 to 95 | -10 to 95 | -10 to 90 | -10 to 90 | -10 to 90 |
| Level steps (dB) | 5/2/1 | 5/2/1 | 5/2 | 5/2/1 | 5/2/1 |
| Masking signal | NBN, SN | NBN, WN, SN | NBN, SN, external | NBN, SN, external | NBN, SN, external |
| Test signals | Sinus, pulse, wave SD-Card warble, external | Sinus, pulse, warble, wave SD-card, external | Sinus, pulse, warble, external | Sinus, pulse, warble, external | Sinus, pulse, warble, external |
| Voice source | CD, microphone, wave | CD, microphone, wave | CD, microphone | CD, microphone | CD, microphone |
| Special tests | Tone audiometry, HL, UCL, Assisted, Speech: SRT, WRS, UCL, MHA (optional) | Tone audiometry, tone, HL, UCL, MCL, Assisted, SISI, ABLB, Decay, MLB, speech: SRT, WRS, UCL, MHA (optional) | SISI, DLI, ABLB, Decay, Stenger, Noise with voice | SISI, DLI, ABLB, Decay, Stenger, Tinnitus Test, Langenbeck | |
| Compatible with NOAH | Yes | Yes | Yes | Yes | Yes |
| Data connection | Yes | Yes | Yes | Yes | Yes |
| Dimensions (An Al x L) | 36 x 18.5 x 7.5 cm | 36 x 18.5 x 7.5 cm | 36 x 46 x 15 cm | 36 x 46 x 15 cm | 36 x 46 x 15 cm |
| Weight | 1.5 kg | 1.5 kg | 4.6 kg | 4.6 kg | 4.6 kg |
| Special features | PDF storage, SD or UDB card. Direct printout via USB or Ethernet. More than 1000 patients and 100 sessions | PDF storage, SD or UDB card. Direct printout via USB or Ethernet. More than 1000 patients and 100 sessions | 1 Hz frequency steps, mixing flexible channels |
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