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ZT-334 Microphone Cartridge - 1/2''-PF
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Description
ZT-334 Microphone is a 1/2'' pre-polarization pressure-field type measurement microphone that measures the actual sound pressure on the surface of the microphone diaphragm (including changes in the sound field due to the presence of the microphone itself).
Specifications
Sound field type Pressure field type
Sensitivity (@ 250 Hz ± 2 dB) 50 mV/Pa
Sensitivity (@ 250 Hz ± 2 dB) -26 dB re 1V/Pa
Frequency response (±2 dB) 3.15Hz~10kHz
Polarization voltage 0V(pre-polarization)
Typical capacitance 17pF
Upper limit of dynamic range (re. 20 uPa) ≥146dB(distortion < 3%)
Lower limit of dynamic range (re. 20 uPa) ≤15dB(A)
Range of operating temperature -30℃~80℃
Temperature coefficient (-10 ℃ to 50 °C) 0.012dB/℃
Static pressure coefficient -0.01dB/kPa
Relative humidity range (without condensation) 0~90%RH
Relative humidity coefficient <0.1dB(0 - 90% RH without condensation)
Pressure equalization method Post-pressure equalization
IEC 61094-4 Designation WS2F
Height (without protective grid) 16.2mm
Diameter (including protective grid) 13.2mm
Height (without protective grid) 15mm
Diameter (without protective grid) 12.7mm
Preamplifier with thread 11.7mm-60UNS
Applications
Pressure-field testingCavity acoustics