Sennheiser HDA 200 Audiometer Headphones

Sennheiser Updated: 2009-01-07 RSS
Sennheiser HDA 200 Audiometer Headphones

The HDA 200 is a pair of closed dynamic ear protector headphones designed for use with audiometers.

Features

* Very high passive ambient noise attenuation (based on PELTOR hearing protectors)
* Excellent repeatability of readings
* Suitable for high frequency audiometry, independent of positioning
* Soft, replaceable ear pads
* Padded headband for increased comfort
* Single-sided cable
* Design approved by the PTB (German organisation for type approvals, a national standards organisation similar to the British Standards Institute or the American National Bureau of Standards) The HDA 200 complies with IEC 60645-1
* Audiometric reference data for HDA 200 is included in two ISO standards:
- ISO 389-5: Acoustics - Reference zero for the calibration of audiometric equipment-Part 5: Reference equivalent threshold sound pressure levels for pure tones in the frequency range 8 kHz to 16 kHz (ISO/TR 389-5:1998)
- ISO 389-8: Acoustics - Reference zero for the calibration of audiometric equipment - Part 8: Reference equivalent threshold sound pressure levels for pure tones and circumaural earphones (ISO 389-8:2004); German version EN ISO 389-8:2004

Delivery Includes

* 1 HDA 200
* 1 Headband Padding HY 500
* 1 unterminated cable (approx. 3m)
* 1 spec sheet

Technical Data

Transducer principle: dynamic, closed
Nominal impedance: 40 Ohm
Characteristic SPL: 100 dB
Load rating: 500 mW
Ear coupling: circumaural
Contact pressure: 10 N
Weight incl. cable: 330 g
Connection cable: ca. 3 m, offenes Kabelende
Frequency response (headphones): 20.....20000 Hz