1/4" DRUCKFELDMIKROFON, EXTERN POLARISIERT
Druckfeldmikrofon für Messungen mit hohem Pegel und hoher Frequenz in einem Frequenzbereich von 4 Hz bis 70 kHz.
TYPE 4938
Das 1/4" Druckfeld-Mikrofon Typ 4938 ist für Messungen mit hohem Pegel und hoher Frequenz konzipiert. Das Mikrofon ist so konzipiert, dass es rauer Handhabung und hohen Temperaturen von bis zu 300 °C (572 °F) standhält.
Select filters:
| Code | Empfindlichkeit | Lower dynamic range | Minimaltemperatur | Maximaltemperatur | Minimaltemperatur | Maximaltemperatur |
|---|---|---|---|---|---|---|
| -4938-A-011- | 1.4 mV/Pa | 42 dB | -20 °C | 80 °C | -4 °F | 176 °F |
| -4938-D-011- | 1.4 mV/Pa | 42 dB | -20 °C | 80 °C | -4 °F | 176 °F |
| -4938-L-002- | 1.4 mV/Pa | 42 dB | -20 °C | 80 °C | -4 °F | 176 °F |
| -4938-W-001- | 1.6 mV/Pa | 30 dB | -40 °C | 300 °C | -40 °F | 572 °F |
| 1/4'' Pressure-field Microphone Type 4938 | Data Sheets | English |
| TEDS Microphones | Data Sheets | English |
| TEDS Microphones | Data Sheets | Japanese |
| Standard | IEC 61094 |
| Sound field | Pressure field |
| Polarization | Classical |
| Sensitivity | 1.4 mV/Pa, 1.6 mV/Pa |
| Lower frequency | 4 Hz |
| Higher frequency | 70 kHz |
| Lower dynamic range | 42 dB, 30 dB |
| Higher dynamic range | 172 dB |
| Diameter | 1/4 inch |
| Venting | Side |
| Minimum Temperature | -20 °C, -40 °C |
| Maximum Temperature | 80 °C, 300 °C |
| Minimum Temperature | -4 °F, -40 °F |
| Maximum Temperature | 176 °F, 572 °F |
| Output signal (connectivity) | Passive |
List of accessories available for all variants of this family
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.
-2670-W-012-
-4228---
-4231---
DB-0264---
DP-0775---
UA-0033---
UA-0033-W-001-
WQ-1099---
WQ-1133---
UA-0385---
EU-4000---