Weatherproof Microphone Unit WME 980? A new era in Noise pollution measurement
Noise pollution - a scourge of our time
(PresseBox) - .
Weatherproof Microphone Unit WME 980 ? A new era in Noise pollution measurement
sound incidence vertical to the microphone axis
20 Hz to 20 KHz
15 dB(A) to 146 dB
Lemo
Power supply: 6 to 25 V DC
remote calibration with electrostatic actuator
Noise pollution -
This makes the exact measurement of environmental noise pollution with precise special microphones all the more important.
In today''s age of high environmental and health awareness, accurate noise measurement of various types of noise pollution, such as traffic noise, aircraft noise, construction noise, rail and industrial noise and other sources of noise emissions is of crucial importance.
Microtech Gefell/ MTG traditionally offers a wide range of precision measuring microphones with weather protection for temporary and permanent installations.
Most microphones are approved for official calibration and can be used for legally binding measurements .
The R&S and
Microtech Gefell
The WME 980 is the latest product of our in-house development.
The new WME 980 is a weatherproof microphone system for long-term outdoor measurement, stationary and mobile noise control, like analysis of traffic noise.
It consists of a "" measuring microphone capsule MK 223, the "" measuring microphone preamplifier MV 203.3, the dehumidifier TA 202, the rain and dust protection RS 98, the windshield
The calibration generator injects a sinusoidal signal into the measurement microphone capsule via an electrostatic actuator.
The weatherproof microphone system can be calibrated with standard sound calibrators or the Pistonphone type 5002.
The WME 980 is designed for Type 1 sound level meters according to IEC 61672.
The WME 980 is a completely new product development for continuous outdoor noise measurements, stationary noise monitoring and the analysis of environmental, traffic and other noise, consisting of
- 1/2" measuring microphone capsule MK 223
specification
The 1/2? measuring microphone capsule MK 223 is designed for acoustical measurements in research and development and also for industrial use. Some applications include audiometry, the measurement of building acoustics and noise levels.
The microphone capsule is designed and very carefully constructed to ensure excellent long-time stability of the electroacoustical parameters. All essential components including the diaphragm are made of nickel and the diaphragm is bonded by a special galvanic process. The measurement capsule MK 223 has a coated diaphragm. That enables to use the capsule in measurement surroundings with elevated environmental pollution. The rear electrode is insulated from the capsule housing by a quartz glass plate. The diaphragm is protected against mechanical damage by a protection grid. The equalization of the static air pressure between the inside and outside of the MK 223 capsule is by means of a capillary tube rear-vented into the preamplifier. This enables the use of the optional TA 202 dehumidifier.
The capsule uses the international standard thread 60 UNS which ensures compatibility with a wide range of calibration equipment and measurement devices available from many manufacturers.
- 1/2" measuring microphone preamplifier MV 203.3
specification
The 1/2? measuring microphone preamplifier type MV 203 is a high-impedance transducer for 1/2" condenser measuring microphone capsules.
The MV 203 permits sound level measurements with a dynamic range from 11 dB up to 168 dB. The preamplifier has a low output impedance. This renders a good driver capability possible even for long cables. The preamplifier is equipped with a heater resistor preventing a possible condensation under extremely climatic conditions.
The Adaptor A 63.1 allows 1? condenser measuring microphone capsules to be mounted on the 1/2? preamplifier and the Adaptor A 67 makes the same for the 1/4? condenser measuring microphone capsules possible. The thread of the preamplifier confirms to the international standard according to IEC 61094.
The measuring microphone preamplifier MV 203 is designed for sound level meters of IEC Type 1 according to IEC 61672.
- dry adapter (TA 202)
specification
The dehumidifier TA 202 is mounted between a
- rain and dust protection RS 98 / windshield
Acoustic measurement technology since 1928
The Microtech Gefell GmbH is a manufacturer of high quality, handmade measurement and studio microphones founded 1928 by Georg Neumann.
Besides the company offers calibration and services for all manufactured products.
The Measurement technology includes 1", " and " measurement capsules, measurement preamplifiers for different connection techniques (Conventional Lemo, ICP
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Unternehmensinformation / Kurzprofil:
Acoustic measurement technology since 1928The Microtech Gefell GmbH is a manufacturer of high quality, handmade measurement and studio microphones founded 1928 by Georg Neumann.Besides the company offers calibration and services for all manufactured products.The Measurement technology includes 1",½" and ¼" measurement capsules, measurement preamplifiers for different connection techniques (Conventional Lemo, ICP®, Phantom P 48 XLR, Digital USB AES 42 XLR), outdoor and environmental microphones, microphone arrays, sound intensity probes, power supplies, calibration devices as well as turnkey solutions (e.g. special test benches for car acoustics).
Datum: 23.03.2020 - 12:33 Uhr
Sprache: Deutsch
News-ID 1557000
Anzahl Zeichen: 2638
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