This US made Air/Bone Conduction Audiometer appears in good condition. All functions were tested and found to work. It comes complete with a Maico or Telephonnics headphone set and its original carrying case. On request a copy of the user manual in PDF format will be sent. These audiometers will require calibration to confirm they are operating within and are adjusted to the manufacturer's specifications. This will be the case with any audiometer which has not be calibrated within a 12 month period. We warranty that the audiometer you buy from us will pass calibration and is free of functional issues on delivery.
Also available on offer are:
* B-71 bone conduction receiver earphone ($100 with audiometer order)
* MA 40 in soft shell medical grade carrying case (no extra charge - just ask before or immediately after buying)
* RS232 interface cable ($10 with order)
* Patch cable ($10 with order)
* MA 40 with interference on the right channel output, with or without a case, sold AS IS and without accessories. The channel functions, but requires repair.
* MA 39, MA 27, MA 25 (battery operated), MA 20 audiometers.
We have two versions of the MA 40 in stock, one with a tan colored case and red digital readings and another with a white case with green display characters. Both have the same features. Please specify if you want the white unit as only one is available. The default MA 40 that will be sent is tan colored. Also available are MA 39, MA 27, MA 25 and MA 19 audiometers.
SPECIFICATIONS
Test signals: Pure tone, pulsed, warble; narrow band masking noise
Frequency accuracy: To within 1% maximum of indicated frequency
Frequency and HL ranges:
Air conduction HL range
125 Hz -10 to +80 dBHL
250 HZ -10 to +100 dBHL
500 Hz -10 to +110 dBHL
750 Hz -10 to +110 dBHL
1000 Hz -10 to +110 dBHL
1500 Hz -10 to +110 dBHL
2000 Hz -10 to +110 dBHL
3000 Hz -10 to +110 dBHL
4000 Hz -10 to +110 dBHL
6000 Hz* -10 to +110 dBHL
8000 Hz* -10 to +100 dBHL
*Maximum level for insert phones is 10 dBHL lower at 6000 Hz and 8000 Hz.
Attenuator Linearity: .5 dB per 5 dB step, 3 dB overall
Distortion: .5% typical, 2% maximum
Sound pressure level calibration accuracy: 3 dB
Pulsed stimulus: 2.5 pulses/second, 50% duty cycle
Rise/Fall time: 35 msec. typical
Freq. mod. rate: 5% triangle wave modulation at 5 Hz modulating rate
Dimensions: 12.5” W x 6.25” H x 15.5” D // 32cm W x 16cm H x 40cm D
Weight: 16.5 lb // 7.5 kg
Case: Structural foam, soft shell carrying case or removed entirely from case
Voltage requirements: 117 / 234 volts AC, switchable - Currently set up for use with standard North America wall plug
US customers pay only what is paid on checkout. No US or Canadian taxes or border related fees like tariffs will be applied to this item on purchase or when it is delivered. Normal UPS delivery takes 7 to 10 days. Upgraded shipping will reduce this to 3 or 4 business days. The cost to upgrade shipping will be $15 to $25 depending on the destination.
Buyers in other locations should write for an estimate of shipping charges in advance of their purchase
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DISCLAIMER:
Regardless of the origin of the equipment, documentation provided or identification appearing upon the equipment, the equipment described and offered here is in no way certified for, recommended for, or offered for any specific use. The buyer is purchasing an item(s) which may have been used for medical purposes and may have the potential to again be used for this purpose, however, unless otherwise specified, at the time of sale the item is not considered to be bio-medically certified for use in any jurisdiction. The purchased item(s) is simply a device which operates in the limited manner described in the listing and/or electronic and mechanical components.
The purchaser agrees that the seller shall not be held responsible or liable:
* for any injuries or damages, whether incidental or consequential, associated in any way with the equipment;
* for compliance with regulations on ownership or use of the purchased item within the jurisdiction in which the purchaser resides and/or uses the item.
The purchaser, by buying this equipment, indicates their acknowledgement of, and agreement to the terms of this disclaimer.
The sale of this item may be subject to regulation by the U.S. Food and Drug Administration and other national/provincial/territorial/state and local regulatory agencies. If so, do not buy this item unless you are an authorized purchaser. If the item is subject to FDA regulation and it is to be used for regulated medical services in the USA or another regulated location, your payment for it indicates you are an authorized purchaser and will comply with these regulations. If you have questions about legal obligations regarding sales of medical devices, you should consult with the FDA or the regulatory authorities in the jurisdiction in which the item is to be used.
Return Policy
7 Day Return Policy. Customer must pay the return shipping costs when returning a product. If you find the item is not as described in the ad it may be returned for a purchase price refund. Generally, all of our items have an inspection warranty which kicks in upon delivery for a period of 7 to 14 days. It is not an operational warranty as most items sold on DOTmed require biomedical certification before use. If you require additional coverage please contact us prior to purchase.
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