WME940

WME940

WME940

Product catalog summary
Overview: The document provides technical specifications and features of the weatherproof microphone unit WME 940, designed by Microtech Gefell for studio and measurement technology applications. It is suitable for stationary and mobile noise monitoring systems, long-term outdoor noise measurements, and environmental and traffic noise analysis.
Specifications:
  • Microphone Type: Capacitive pressure transducer
  • Frequency Range: 4.5 Hz to 20 kHz
  • Sensitivity: 50 mV/Pa
  • Max SPL for THD 3% at 1 kHz: 146 dB
  • Operating Temperature: -25°C to +70°C
  • Humidity Range: < 100% (without condensation)
  • Inherent Noise: 16 dBA
  • Max RMS Output: 33 V
  • Output Impedance: ≤ 80 Ω
  • Polarization Voltage: 200 V
  • Power Supply: 130 V DC (≤ 2.3 mA)
Features:
  • Weatherproof design with wind and rain protection
  • Remote calibration capability at 1 kHz/94 dB
  • Controlled heating of the microphone amplifier
  • Dehumidifiers with inspection window for capsule and housing
  • Continuous monitoring of airplane noise
  • Compatible with B & K and Norsonic level meter units
Components:
  • Microphone capsule MK 223
  • Dehumidifier adaptor TA 202
  • Measuring microphone preamplifier MV 205
  • Rain shield RS 94 with integrated calibration grid contact
  • Windscreen WS 94 with bird spike
Maintenance: The microphone capsule should be protected from mechanical damage and regularly checked for pollution. It is not suitable for chemically aggressive environments or conductive dust. Condensation must be avoided.
Delivery and Accessories: The package includes the WME 940 microphone unit, measuring microphone power supply MN940, and various cables and mounting accessories. Optional accessories include additional microphone capsules, preamplifiers, and protective shields.
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Catalog excerpts

WME940-1

KONDENSATORMIKROFONE FÜR STUDIO - UND MESSTECHNIK M I C R OT E C H G E F E L L Wetterfeste Mikrofoneinheit WME 940 Anwendung: - stationäre und ortsveränderliche Lärmüberwachungssysteme Dauerschallmessungen im Freien kontinuierliche Überwachung von Fluglärm Analyse von Umgebungs - und Verkehrslärm Eigenschaften: - Mikrofonglied Kl. 1 (Anlage 21- 3 EO) mit verringerter Fehlergrenze für den Frequenzgang - Richtcharakteristik entsprechend DIN EN 60 651 Kl. 1 und ANSI S 1.4 1983 Typ 1 - wind- und regengeschützt - einfache Kalibrierung mit Pistonfon 5002 - fernkalibrierbar, elektrostatisch bei 1 kHz/94 dB - geregelte Heizung des Mikrofonverstärkers - Trockenpatronen mit Schauglas für Kapsel und Gehäuse - Speisung aus Messmikrofon-Netzanschlussgerät MN 940 an 115 V/230 V AC 50/60 Hz oder 12 V DC - Kabel zum Anschluss an B & K und Norsonic Pegelmessglieder nach Anlage 21- 3 EO Die wetterfeste Mikrofoneinheit WME 940 besteht aus den Baugruppen Mikrofonteil mit Halterohr und Gehäuse mit Anschlussgewinde G 1”. Das Mikrofonteil umfaßt die Messmikrofonkapsel MK 223, den Trockenadapter TA 202, den Messmikrofonvorverstärker MV 205, den Regenschutz RS 94 mit integriertem Eichgitterkontakt, den Windschutz WS 94 mit Vogelabweiser und die mechanische Halterung. Weatherproof microphone unit WME 940 Applications: - stationary and mobile noise control Iong-time outdoor measuring continuous control of airplane noise analysis of environmental and traffic noise Features: - Microphone unit class 1 (enclosure 21- 3 EO) with reduced limit of error of frequency response - Polar pattern according to DIN EN 60 651 class 1 and ANSI S 1.4 1983 type 1 - Wind- and rain- proofed - Easy calibration with pistonphone 5002 - Remote calibration is possible, electrostatic at 1 kHz/94dB - Controlled heating of the microphone amplifier - Dehumidifiers with inspection window for capsule and housing - Powered by measuring microphone power supply MN 940 at 115 V/230 V AC 50/60 Hz or 12 V DC - Cable for connection to B & K and Norsonic level meter units according to enclosure 21- 3 EO The weatherproof microphone unit WME 940 consists of the following assemblies: microphone unit with holding tube, housing with cable and screwable stand tubes. The microphone unit includes the measuring microphone capsule MK 223, the dehumidifier TA 202, the measuring microphone preamplifier MV 205, rain shield with integrated calibration grid contact, the wind shield WS 94 with bird spike and the mechanical holder. MICROTECH GEFELL GMBH GEORG - NEUMANN - PLATZ D-07926 GEFELL INTERNET http://www.microtechgefell.de e-mail [email protected]

 Open the catalog to page 1
WME940-2

Lieferumfang / Delivery Wetterfeste Mikrofoneinheit WME 940, fernkalibrierbar Weatherproof microphone unit WME 940, integrated calibration Messmikrofonkapsel/Measuring microphone capsule MK 223 Messmikrofonvorverstärker/Measuring microphone preamplifier MV 205 Trockenadapter/Dehumidifier adaptor TA 202 Trockenpatrone/Dehumidifier TP 94 Windschutz mit Vogelabweiser/Windscreen with birdspike WS 94 Regenschutz/Rainshield RS 94 Zubehör, optional / Accessories, optional Messmikrofon-Netzanschlussgerät/Measuring microphone power supply MN 940, Best.-Nr./Order-No. 302101 Bestandteil der eichfähigen...

 Open the catalog to page 2

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.