Mikrofon til ude og inde
Model/varenr.:
Dahua DH-HAP301
725,00
m/Moms
(
580,00
u/Moms
)
Avanceret lille mikrofon der passer til alle typer kameraer (og andre systemer)
- til områder fra 1-150 kvadratmeter
- opfanger lyde i 20-20 kHz (det samme spectrum som mennesker kan høre i)
- til 12V DC ( se strømforsyning i fanen tilbehør)
- kun 3 ledninger (en til +12 volt, en til audioledningen fra kameraet og en fælles til 0 volt og GND ledningen fra kameraet)
- indbygget for-forstærker og støj-reduktion.
- kan sidde inde-udendørs (-20° - +60° C)
Passer perfekt til kameraer uden indbygget mikrofon
| Datablad |
| Technical specifications | |
| Performance | |
| Pickup Range | 1 square meter–150 square meters (10.76 sq.ft–1614.59 sq.ft) |
| Audio Transmission Distance | 3000 m (9842.52 ft) |
| Frequency Response | 20 Hz–20 kHz |
| Sensitivity | -38 dB |
| SNR | 85 dB (1 m 40 dB audio source SPL) 52 dB(10 m 40 dB audio source SPL)1 kHz at 1 Pa |
| Pointing Features |
Omni-directional |
| Gain Adjustment | 0 VPP–4.6 VPP adjustable (75 dB sound pressure 1 kHz) |
| Dynamic Range | 106 dB (1 kHz at Max dB SPL) |
| Distortion | ≤0.3% (74 dB sound pressure, A weighted) |
| Max. Sound Pressure | 120 dB SPL (1 kHz,THD 1%) |
| Output Resistance | 25 Ω non-balanced |
| Output Signal Amplitude | 2.5 VPP/-25 dB |
| Microphone | High-fidelity micro electromechanical system (MEMS) silicon microphone |
| Signal Processing | Digital NR, reverberation, human voice enhancement, screaming control |
| Protection | |
| Protection | 8kV Air,6kV contact ESD lightening protection, power polarity misconnection protection |
| Electrical | |
| Drive Capability | Built-in preamplifier circuit |
| Connection Mode | 3 lead wire: (power, audio, public GRD) |
| Transmission Cable | 3-Pin mm² RVVP shielded cable |
| Power Supply | 12V DC (9V-18V) |
| Power Consumption | 0.72W (60mA) |
| Environmental | |
| Operating Temperature | -20 °C to +60 °C (-4 °F to +140 °F) |
| Operating Humidity | ≤95%RH |
| Storage Temperature | 0°C to +40°C (+32°F to +104°F) |
| Storage Humidity | ≤95%RH |
| Color | Metal Silver |
| Casing | Aluminum alloy |
| Dimensions | Φ70 mm × 21 mm (Φ2.76 " × 0.83 ") |
| Net Weight | 0.11 kg (0.24 lb) |
| Gross Weight | 0.16 kg (0.35 lb) |
| Certifications | |
| Certifications | FCC: 47 CFR Part 15,Subpart B:2016 CE: EN 55032:2015(Class B),EN50130-4:2011+A1:20 14,EN55024:2010+A1:2015 |
Der er endnu ikke nogen anmeldelser her. Vi vil være glade for hvis du vil anmelde som den første.
