TYPE 4939

1/4" FREIFELDMIKROFON, EXT. POLARISIERT

Freifeldmikrofon für Messungen mit hohem Pegel und hoher Frequenz einem Frequenzbereich von 4 Hz bis 100 kHz.

TYPE 4939

expand_more

chevron_left

chevron_right

Mit Edelstahlmembran und Schutzgitter ist das Mikrofone Typ 4939 so gebaut, dass es rauen Umgebungen standhält und für Hochtemperaturmessungen bis zu 150 °C (302 °F) verwendet werden kann.

Das Mikrofon benötigt eine externe Polarisationsspannung und muss daher mit einem klassischen Vorverstärker verwendet werden. Extern polarisierte Mikrofone können bei höheren Temperaturen verwendet werden, ohne dass sich die Messempfindlichkeit stark verändert.

Hochpegelmessungen
Hochfrequenzmessungen
Modellarbeit

Filter

Empfindlichkeit keyboard_arrow_down

Code	Empfindlichkeit
-4939-A-011-	4 mV/Pa
-4939-C-002-	3.5 mV/Pa
-4939-L-002-	3.5 mV/Pa

TEDS Microphones	Data Sheets	English
TEDS Microphones	Data Sheets	Japanese

FAMILY 4939
Standard	IEC 61094
Sound field	Free field
Polarization	Classical
Sensitivity	3.5 mV/Pa, 4 mV/Pa
Lower frequency	4 Hz
Higher frequency	100 kHz
Lower dynamic range	35 dB
Higher dynamic range	164 dB
Diameter	1/4 inch
Venting	Side
Minimum Temperature	-20 °C
Maximum Temperature	80 °C
Minimum Temperature	-4 °F
Maximum Temperature	176 °F
Output signal (connectivity)	Passive

List of accessories available for all variants of this family

Product Code	Beschreibung
-4294---	Kalibrator für Schwingungsaufnehmer, 159
JJ-0032---	Kabelverbinder, Microdot 10-32 UNF
JP-0162---	Adapter, Microdot-Buchse/TNC-Stecker
UA-1075---	Haftmagnet-Satz, 5 Stck. UA1077, für M3-
DB-0757---	Klebkopfschraube, M3, d=8mm
UA-1216---	Isolierte Montageschraube, M3 / M3, bis
YQ-2003---	Stahlstiftschraube, M3x5
YQ-2007---	Stahlstiftschraube, M3x8
QA-0041---	Tool, M3, Thread Tap, HHS ISO 529m, 3,0
QA-0042---	Imbusschlüssel für M3-Stiftschrauben
YJ-0216---	Klebewachs
QS-0007---	Zyanoacrylat-Kleber, 1 Tube

Showing 10 of 12 results

THIS MICROPHONE SET IS A COMBINATION OF:

The unit is assembled in a clean-room environment and sealed together, after which it is assigned one single type number and one single serial number. This means that the combined unit has better precision and long-time stability, and is handled as one complete unit.

The unit also contains TEDS, which means that information about the serial number, type and sensitivity is stored within it.

THE BENEFITS OF USING A MICROPHONE-PREAMPLIFIER COMBINATION ARE:

Better stability and precision. Because the unit is assembled in clean-room facilities, there is no contamination.
Ease of use. Your analyzer front-end and software will automatically detect the type number, serial number and sensitivity because of the built-in TEDS technology. There is no need to enter this manually for every channel.
Calibration integration. The TEDS technology means the microphone is automatically detected and identified by your data acquisition software, allowing it to be easily integrated with your calibration database.
Fewer errors. As your data acquisition software automatically knows the microphone type, serial number and sensitivity, manual inputs are greatly reduced – reducing human errors.

Related Services

Modern Slavery Statement Imprint Cookie Policy Privacy Policy Sitemap Company Profile