PFM140

DH-PFM140

Features

  • Omni-directional condenser microphone, high fidelity;
  • 30KV Air contact ESD, built-in Lightning Protection, power supply polarity reversal protection and electrostatic protection;
  • Pinhole design, hidden installation; match with cameras or storage devices which have audio function!
PFM140.jpg

Compatible IP Cameras

X

Compatible HD-CVI Cameras

X

Specifications

Model DH-PFM140
Properties
Scope 5-40m2
Sensitivity -40dB(-45~-20dB adjustable)
Frequency response 20Hz~20kHz
Directional characteristic Omni-directional
SNR 70dB(1m 40dB sound source SPL)
Dynamic range 104dB(1KHz at Max dB SPL)
Max. sustainable sound pressure 120dB SPL(1KHz, THD 1%)
Output impedance 600Ω(non-equilibrium)
Output signal amplitude 2.5Vpp/-25dB
Working voltage DC 12V(9~15V)
Working current 60mA(50~100mA)
Working temperature -30℃~+70℃
Color White
Outer shell PC
Dimension 63mmx30mmx22mm
Weight 34g
Carried standard CE/FCC