CRY3261-S01 Free-Field Microphone Set, 1/2", 354mV/Pa

CRY3261-S01 Free-Field Microphone Set, 1/2", 354mV/Pa

CRY3261-S01 is a 1/2-inch free-field prepolarized measurement microphone and preamplifier set widely used in acoustic testing environments such as anechoic chambers and quiet rooms.

The unique design of CRY3261-S01 allows it to have an extremely low self-noise, making it highly suitable for detecting and measuring ultra-low noise levels. Typical applications include measuring the self-noise of products, computer fan noise, transformer current noise, and evaluating environmental noise.

  • Ultra low-noise free-field microphone set
  • Extensive compatibility
  • Durable, reliable, and high-quality
CRY3261-S01 Measurement Microphone Set Typical Frequency Response

The graph (right) shows the frequency response curves for 0° incidence in a free-field environment and the frequency response curves obtained using the electrostatic excitation method.

CRY3261-S01 Measurement Microphone Set Typical Frequency Response

The graph (right) shows the frequency response curves for 0° incidence in a free-field environment and the frequency response curves obtained using the electrostatic excitation method.

Technical Specifications

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Technical specification
Field Type
Field Type
Free-field
Noominal Sensitivity
Noominal Sensitivity
354mV/Pa, -9±2dB re 1V/Pa
Frequency Response
Frequency Response
3.15Hz to 20kHz±3dB
Polarization Voltage
Polarization Voltage
0V
Dynamic Range(re.20uPa)
Dynamic Range(re.20uPa)
7.5dBA to 115dB, Typical>6.5dBA
Operating Temperature
Operating Temperature
-20 to +60℃ (-4 to +140℉)
Temperature Stability
Temperature Stability
0.012dB/℃ (-10 to +50℃) 0.007dB/℉ (+14 to +122℉)
Static Pressure Stability
Static Pressure Stability
-0.01dB/kPa
Operating Humidity Range
Operating Humidity Range
0 to 90%RH no condensation
Humidity Stability
Humidity Stability
< 0.1dB (0 to 90%RH no condensation)
Pressure Equalization Vent
Pressure Equalization Vent
Rear vented
IEC 61094-4 Type
IEC 61094-4 Type
WS2F
Output Impedance
Output Impedance
< 20Ω
Maximum Output Voltage
Maximum Output Voltage
> 5.0Vrms
Current Source
Current Source
IEPE (2mA to 10mA)
Typical Operating Current
Typical Operating Current
4mA
Interface Type
Interface Type
DB9

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1/2 inch
Low Noise
Low Noise
Addition Plug-in
Microphone Array
Intrinsic Safe
Test Contents
Number of Channels
IEC 61672-1:2013 Class
Feature
Structure
Operation
Polarization
Size of Microphone
Application
Contact Testing