Difference between revisions of "PFM140"
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Revision as of 22:44, 8 July 2016
Contents
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!
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 |
