Delta Ohm HD WME
$715.00
Microphone Outdoor Protection
The HDWME microphone unit is suitable for long term outdoor monitoring, even in a fixed unattended location. The unit is adequately protected from rain and wind and the heated preamplifier provides stability of acoustic parameters over time and allows to make measurements over a wide range of environmental conditions.
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FEATURES
- Microphone protection from wind and rain
- Stainless Anti-bird spikes
- Heated preamplifier
- Frequency response according to IEC 61672:2002-5 (and IEC 60651:2001-10) and ANSI S1.4:1983, both for airport and community noise
- Compatible with standard 1/2″ microphone sound calibrator
The Delta Ohm sound level meter preamplifier matched with the outdoor microphone unit is equipped with a circuit for electrical calibration of the preamplifier – microphone chain, a technique that uses a charge distribution.
The free field frequency response, meets the specifications of class 1 according tp IEC 61672 (and IEC60651) and was certified by I.N.RI.M. (Certificate of conformity No. 10-0126-02 of 04.29.2010).
The microphone unit HDWME must always be positioned vertically to allow the anti-rain to perform its function and can be used both to detect the noise at 0° and 90° directions.
The Delta Ohm sound level meters perform spectral corrections to the measures to ensure tolerances in accordance with the IEC61672 class 1 in every situation.